{"id":71904,"date":"2020-10-20T16:39:33","date_gmt":"2020-10-20T15:39:33","guid":{"rendered":"https:\/\/groupe-reussite.fr\/?page_id=71904"},"modified":"2026-10-27T15:55:45","modified_gmt":"2026-10-27T14:55:45","slug":"cours-en-ligne-exercices-corriges-denombrement-terminale","status":"publish","type":"page","link":"https:\/\/groupe-reussite.fr\/ressources\/cours-en-ligne-exercices-corriges-denombrement-terminale\/","title":{"rendered":"Exercices corrig\u00e9s sur le D\u00e9nombrement en Terminale"},"content":{"rendered":"<div class=\"Latex_page\"><\/div>\n<div><\/div>\n<div class=\"Latex_page\">\n<section class=\"has_ae_slider elementor-element elementor-section-full_width elementor-reverse-mobile elementor-section-stretched elementor-section-height-default elementor-section-height-default ae-bg-gallery-type-default elementor-section elementor-top-section\">\n<div class=\"elementor-container elementor-column-gap-no\">\n<div class=\"elementor-row\">\n<div class=\"elementor-column-wrap elementor-element-populated colone_elementor\">\n<p style=\"text-align: justify;\">\t\t<div data-elementor-type=\"page\" data-elementor-id=\"85134\" class=\"elementor elementor-85134\">\n\t\t\t\t\t\t<section class=\"has_ae_slider elementor-section elementor-top-section elementor-element elementor-element-10da350a elementor-section-content-bottom elementor-section-boxed elementor-section-height-default elementor-section-height-default ae-bg-gallery-type-default\" data-id=\"10da350a\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-no\">\n\t\t\t\t\t<div class=\"has_ae_slider elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-4b0929de sticky_badeau_colone strick_col ae-bg-gallery-type-default\" data-id=\"4b0929de\" data-element_type=\"column\" data-e-type=\"column\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t<div class=\"elementor-widget-wrap\">\n\t\t\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"has_ae_slider elementor-section elementor-top-section elementor-element elementor-element-68eecbf elementor-section-boxed elementor-section-height-default elementor-section-height-default ae-bg-gallery-type-default\" data-id=\"68eecbf\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-no\">\n\t\t\t\t\t<div class=\"has_ae_slider elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-3c6e4a1c strick_col ae-bg-gallery-type-default\" data-id=\"3c6e4a1c\" data-element_type=\"column\" data-e-type=\"column\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-5e2a6b8d elementor-widget elementor-widget-heading\" data-id=\"5e2a6b8d\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<p class=\"elementor-heading-title elementor-size-default\"><a href=\"https:\/\/groupe-reussite.fr\/ressources\/cours-en-ligne-terminale-maths\/\">Cours en ligne Maths en Terminale<\/a><\/p>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-b2d17b9 elementor-widget elementor-widget-heading\" data-id=\"b2d17b9\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<p class=\"elementor-heading-title elementor-size-default\">Chapitres Maths en Terminale G\u00e9n\u00e9rale<\/p>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-4afe09ff elementor-align-justify elementor-widget elementor-widget-button\" data-id=\"4afe09ff\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-button-wrapper\">\n\t\t\t\t\t<a class=\"elementor-button elementor-button-link elementor-size-sm\" href=\"https:\/\/groupe-reussite.fr\/ressources\/cours-en-ligne-recurrence-terminale\/\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t\t\t\t<span class=\"elementor-button-text\">Raisonnement et r\u00e9currence<\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-16c8edd8 elementor-align-justify elementor-widget elementor-widget-button\" data-id=\"16c8edd8\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-button-wrapper\">\n\t\t\t\t\t<a class=\"elementor-button elementor-button-link elementor-size-sm\" href=\"https:\/\/groupe-reussite.fr\/ressources\/cours-en-ligne-suites-terminale\/\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t\t\t\t<span class=\"elementor-button-text\">Les suites<\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-3bb57f03 elementor-align-justify elementor-widget elementor-widget-button\" data-id=\"3bb57f03\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-button-wrapper\">\n\t\t\t\t\t<a class=\"elementor-button elementor-button-link elementor-size-sm\" href=\"https:\/\/groupe-reussite.fr\/ressources\/cours-en-ligne-limites-fonctions-terminale\/\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t\t\t\t<span class=\"elementor-button-text\">Les limites<\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-7b9945a3 elementor-align-justify elementor-widget elementor-widget-button\" data-id=\"7b9945a3\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-button-wrapper\">\n\t\t\t\t\t<a class=\"elementor-button elementor-button-link elementor-size-sm\" href=\"https:\/\/groupe-reussite.fr\/ressources\/cours-en-ligne-continuite-terminale\/\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t\t\t\t<span class=\"elementor-button-text\">Continuit\u00e9<\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-752f886a elementor-align-justify elementor-widget elementor-widget-button\" data-id=\"752f886a\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-button-wrapper\">\n\t\t\t\t\t<a class=\"elementor-button elementor-button-link elementor-size-sm\" href=\"https:\/\/groupe-reussite.fr\/ressources\/cours-en-ligne-algorithmique-terminale\/\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t\t\t\t<span class=\"elementor-button-text\">Algorithmique<\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-1446b89c elementor-align-justify elementor-widget elementor-widget-button\" data-id=\"1446b89c\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-button-wrapper\">\n\t\t\t\t\t<a class=\"elementor-button elementor-button-link elementor-size-sm\" href=\"https:\/\/groupe-reussite.fr\/ressources\/cours-en-ligne-fonction-exponentielle\/\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t\t\t\t<span class=\"elementor-button-text\">Fonctions exponentielles<\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-53f6eff0 elementor-align-justify elementor-widget elementor-widget-button\" data-id=\"53f6eff0\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-button-wrapper\">\n\t\t\t\t\t<a class=\"elementor-button elementor-button-link elementor-size-sm\" href=\"https:\/\/groupe-reussite.fr\/ressources\/cours-en-ligne-fonction-logarithme-terminale\/\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t\t\t\t<span class=\"elementor-button-text\">Fonctions logarithmes<\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-6c1ead01 elementor-align-justify elementor-widget elementor-widget-button\" data-id=\"6c1ead01\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-button-wrapper\">\n\t\t\t\t\t<a class=\"elementor-button elementor-button-link elementor-size-sm\" href=\"https:\/\/groupe-reussite.fr\/ressources\/cours-en-ligne-fonctions-trigonometriques-terminale\/\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t\t\t\t<span class=\"elementor-button-text\">Fonctions trigonom\u00e9triques<\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-2da72d22 elementor-align-justify elementor-widget elementor-widget-button\" data-id=\"2da72d22\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-button-wrapper\">\n\t\t\t\t\t<a class=\"elementor-button elementor-button-link elementor-size-sm\" href=\"https:\/\/groupe-reussite.fr\/ressources\/cours-en-ligne-conditionnement-independance-terminale\/\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t\t\t\t<span class=\"elementor-button-text\">Conditionnement et ind\u00e9pendance<\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-1bb2d47c elementor-align-justify elementor-widget elementor-widget-button\" data-id=\"1bb2d47c\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-button-wrapper\">\n\t\t\t\t\t<a class=\"elementor-button elementor-button-link elementor-size-sm\" href=\"https:\/\/groupe-reussite.fr\/ressources\/cours-en-ligne-primitives-terminale\/\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t\t\t\t<span class=\"elementor-button-text\">Primitives<\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-2c52a6c9 elementor-align-justify elementor-widget elementor-widget-button\" data-id=\"2c52a6c9\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-button-wrapper\">\n\t\t\t\t\t<a class=\"elementor-button elementor-button-link elementor-size-sm\" href=\"https:\/\/groupe-reussite.fr\/ressources\/cours-en-ligne-derivees-convexite-terminale\/\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t\t\t\t<span class=\"elementor-button-text\">D\u00e9rivation et convexit\u00e9<\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-4f5a8891 elementor-align-justify elementor-widget elementor-widget-button\" data-id=\"4f5a8891\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-button-wrapper\">\n\t\t\t\t\t<a class=\"elementor-button elementor-button-link elementor-size-sm\" href=\"https:\/\/groupe-reussite.fr\/ressources\/cours-en-ligne-integration-terminale\/\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t\t\t\t<span class=\"elementor-button-text\">Calcul int\u00e9gral<\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-5aaddce0 elementor-align-justify elementor-widget elementor-widget-button\" data-id=\"5aaddce0\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-button-wrapper\">\n\t\t\t\t\t<a class=\"elementor-button elementor-button-link elementor-size-sm\" href=\"https:\/\/groupe-reussite.fr\/ressources\/cours-en-ligne-geometrie-dans-espace-terminale\/\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t\t\t\t<span class=\"elementor-button-text\">Figures et \u00e9quation cart\u00e9sienne<\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-35f6fc16 elementor-align-justify elementor-widget elementor-widget-button\" data-id=\"35f6fc16\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-button-wrapper\">\n\t\t\t\t\t<a class=\"elementor-button elementor-button-link elementor-size-sm\" href=\"https:\/\/groupe-reussite.fr\/ressources\/cours-en-ligne-denombrement-terminale\/\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t\t\t\t<span class=\"elementor-button-text\">D\u00e9nombrement<\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-21b103a7 elementor-align-justify elementor-widget elementor-widget-button\" data-id=\"21b103a7\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-button-wrapper\">\n\t\t\t\t\t<a class=\"elementor-button elementor-button-link elementor-size-sm\" href=\"https:\/\/groupe-reussite.fr\/ressources\/cours-en-ligne-loi-binomiale-terminale\/\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t\t\t\t<span class=\"elementor-button-text\">Loi binomiale<\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-25ac19ad elementor-align-justify elementor-widget elementor-widget-button\" data-id=\"25ac19ad\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-button-wrapper\">\n\t\t\t\t\t<a class=\"elementor-button elementor-button-link elementor-size-sm\" href=\"https:\/\/groupe-reussite.fr\/ressources\/cours-en-ligne-variables-aleatoires-loi-grands-nombres-terminale\/\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t\t\t\t<span class=\"elementor-button-text\">Lois des grands nombres<\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-84d8e42 elementor-align-justify elementor-widget elementor-widget-button\" data-id=\"84d8e42\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-button-wrapper\">\n\t\t\t\t\t<a class=\"elementor-button elementor-button-link elementor-size-sm\" href=\"https:\/\/groupe-reussite.fr\/ressources\/cours-en-ligne-loi-normale-fluctuation-estimation\/\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t\t\t\t<span class=\"elementor-button-text\">Loi normale, intervalles, estimation<\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-3a67a9f5 elementor-align-justify elementor-widget elementor-widget-button\" data-id=\"3a67a9f5\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-button-wrapper\">\n\t\t\t\t\t<a class=\"elementor-button elementor-button-link elementor-size-sm\" href=\"https:\/\/groupe-reussite.fr\/ressources\/cours-en-ligne-nombres-complexes-terminale\/\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t\t\t\t<span class=\"elementor-button-text\">Nombres complexes - alg\u00e8bre<\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-1f63f3f6 elementor-align-justify elementor-widget elementor-widget-button\" data-id=\"1f63f3f6\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-button-wrapper\">\n\t\t\t\t\t<a class=\"elementor-button elementor-button-link elementor-size-sm\" href=\"https:\/\/groupe-reussite.fr\/ressources\/cours-en-ligne-polynomes-terminale\/\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t\t\t\t<span class=\"elementor-button-text\">\u00c9quations polynomiales<\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-17f1c156 elementor-align-justify elementor-widget elementor-widget-button\" data-id=\"17f1c156\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-button-wrapper\">\n\t\t\t\t\t<a class=\"elementor-button elementor-button-link elementor-size-sm\" href=\"https:\/\/groupe-reussite.fr\/ressources\/cours-en-ligne-complexes-terminale\/\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t\t\t\t<span class=\"elementor-button-text\">G\u00e9om\u00e9trie et complexes<\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-4d329f92 elementor-align-justify elementor-widget elementor-widget-button\" data-id=\"4d329f92\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-button-wrapper\">\n\t\t\t\t\t<a class=\"elementor-button elementor-button-link elementor-size-sm\" href=\"https:\/\/groupe-reussite.fr\/ressources\/cours-en-ligne-arithmetique-terminale\/\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t\t\t\t<span class=\"elementor-button-text\">Arithm\u00e9tique - Congruences<\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-fbdca41 elementor-align-justify elementor-widget elementor-widget-button\" data-id=\"fbdca41\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-button-wrapper\">\n\t\t\t\t\t<a class=\"elementor-button elementor-button-link elementor-size-sm\" href=\"https:\/\/groupe-reussite.fr\/ressources\/cours-en-ligne-pgcd-terminale\/\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t\t\t\t<span class=\"elementor-button-text\">Arithm\u00e9tique - PGCD PPCM<\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-8ef8cbc elementor-align-justify elementor-widget elementor-widget-button\" data-id=\"8ef8cbc\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-button-wrapper\">\n\t\t\t\t\t<a class=\"elementor-button elementor-button-link elementor-size-sm\" href=\"https:\/\/groupe-reussite.fr\/ressources\/cours-en-ligne-nombres-premiers-fermat-terminale\/\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t\t\t\t<span class=\"elementor-button-text\">Nombres Premiers et Fermat<\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-1e7274d4 elementor-align-justify elementor-widget elementor-widget-button\" data-id=\"1e7274d4\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-button-wrapper\">\n\t\t\t\t\t<a class=\"elementor-button elementor-button-link elementor-size-sm\" href=\"https:\/\/groupe-reussite.fr\/ressources\/cours-en-ligne-matrices-terminale\/\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t\t\t\t<span class=\"elementor-button-text\">Matrices<\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-d362186 elementor-align-justify elementor-widget elementor-widget-button\" data-id=\"d362186\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-button-wrapper\">\n\t\t\t\t\t<a class=\"elementor-button elementor-button-link elementor-size-sm\" href=\"https:\/\/groupe-reussite.fr\/ressources\/cours-en-ligne-graphes-terminale\/\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t\t\t\t<span class=\"elementor-button-text\">Graphes<\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-e9acc30 elementor-align-justify elementor-widget elementor-widget-button\" data-id=\"e9acc30\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-button-wrapper\">\n\t\t\t\t\t<a class=\"elementor-button elementor-button-link elementor-size-sm\" href=\"https:\/\/groupe-reussite.fr\/ressources\/cours-en-ligne-chaine-markov-terminale\/\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t\t\t\t<span class=\"elementor-button-text\">Cha\u00eene de Markov<\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-49866b96 elementor-align-justify elementor-widget elementor-widget-button\" data-id=\"49866b96\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-button-wrapper\">\n\t\t\t\t\t<a class=\"elementor-button elementor-button-link elementor-size-sm\" href=\"https:\/\/groupe-reussite.fr\/nous-contacter\/\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t\t\t\t<span class=\"elementor-button-text\">CONTACTEZ-NOUS<\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<\/div>\n\t\t\n<\/div>\n<div class=\"elementor-column-wrap elementor-element-populated colone_latex\" style=\"text-align: justify;\">\n<div class=\"style_pag\" style=\"color: #000; font-family: 'Lato', Sans-serif;\">\n<div class=\"elementor-text-editor elementor-clearfix\" style=\"color: #000000; font-family: Lato, sans-serif;\">\n<h1 class=\"Latex_page_title\" style=\"text-align: center;\">Exercices de d\u00e9nombrement en terminale : corrig\u00e9s, type bac et QCM<\/h1>\n<p><em>Par Seda Biber, le 27\/10\/2026<\/em><\/p>\n<\/div>\n<p dir=\"ltr\" style=\"text-align: justify;\">Pour r\u00e9ussir un exercice de <strong>d\u00e9nombrement en terminale<\/strong>, commencez par identifier ce que vous comptez en vous posant deux questions : l&rsquo;ordre des \u00e9l\u00e9ments compte-t-il, et un m\u00eame \u00e9l\u00e9ment peut-il appara\u00eetre plusieurs fois ? Si l&rsquo;ordre compte et que la r\u00e9p\u00e9tition est permise, vous comptez des <strong>k-uplets<\/strong> (<img decoding=\"async\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-001cb9922eb0ec0178a1162a515b65f9_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#110;&#94;&#107;\" title=\"Rendered by QuickLaTeX.com\" height=\"15\" width=\"18\" style=\"vertical-align: 0px;\"\/>). Si l&rsquo;ordre compte sans r\u00e9p\u00e9tition, ce sont des <strong>k-uplets d&rsquo;\u00e9l\u00e9ments distincts<\/strong> (<img decoding=\"async\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-de40da8e0483355e627ceb12d2c40882_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#92;&#100;&#102;&#114;&#97;&#99;&#123;&#110;&#33;&#125;&#123;&#40;&#110;&#45;&#107;&#41;&#33;&#125;\" title=\"Rendered by QuickLaTeX.com\" height=\"42\" width=\"61\" style=\"vertical-align: -17px;\"\/>). Si l&rsquo;ordre ne compte pas, ce sont des <strong>combinaisons<\/strong> (<img decoding=\"async\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-ef93858c24d8a2dab11e4f04ceb8f66c_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#92;&#100;&#98;&#105;&#110;&#111;&#109;&#123;&#110;&#125;&#123;&#107;&#125;\" title=\"Rendered by QuickLaTeX.com\" height=\"43\" width=\"31\" style=\"vertical-align: -17px;\"\/>). Les sept exercices corrig\u00e9s et le QCM ci-dessous suivent le programme de sp\u00e9 maths de terminale : applications directes, d\u00e9monstrations exigibles, puis un exercice type bac qui m\u00eale d\u00e9nombrement et probabilit\u00e9s. Ils servent aussi \u00e0 pr\u00e9parer un contr\u00f4le ou une \u00e9valuation sur le chapitre. Chaque corrig\u00e9 d\u00e9taille le raisonnement : en d\u00e9nombrement, c&rsquo;est la justification qui montre que vous avez compt\u00e9 les bons objets. Si une notion vous bloque, nos <a href=\"https:\/\/groupe-reussite.fr\/cours-particuliers\/maths\/tous-niveaux\/france\/\">cours particuliers de maths<\/a> permettent de la reprendre avec un professeur.<\/p>\n<p class=\"colone_latex_ancres\" style=\"color: #000000; font-family: Lato, sans-serif; text-align: center;\"><a href=\"https:\/\/groupe-reussite.fr\/ressources\/cours-en-ligne-denombrement-terminale\/\">R\u00e9sum\u00e9 de cours<\/a> <a href=\"https:\/\/groupe-reussite.fr\/ressources\/cours-en-ligne-exercices-corriges-denombrement-terminale\/\">Exercices et corrig\u00e9s<\/a> <a href=\"https:\/\/groupe-reussite.fr\/ressources\/cours-en-ligne-terminale-maths\/\">Cours en ligne de maths en terminale<\/a><\/p>\n<h2 dir=\"ltr\">Exercice 1 : digicode et d\u00e9l\u00e9gu\u00e9s, quelle formule choisir ?<\/h2>\n<h3 dir=\"ltr\">\u00c9nonc\u00e9 de l&rsquo;exercice 1<\/h3>\n<p dir=\"ltr\">Un digicode s&rsquo;ouvre avec un code de 4 chiffres, chacun choisi entre 0 et 9.<\/p>\n<ol>\n<li>Combien de codes diff\u00e9rents peut-on former ?<\/li>\n<li>Combien de codes sont form\u00e9s de 4 chiffres tous diff\u00e9rents ?<\/li>\n<\/ol>\n<p dir=\"ltr\">Une classe de terminale compte 30 \u00e9l\u00e8ves.<\/p>\n<ol start=\"3\">\n<li>De combien de fa\u00e7ons peut-on \u00e9lire 3 d\u00e9l\u00e9gu\u00e9s, sans distinguer leurs r\u00f4les ?<\/li>\n<li>De combien de fa\u00e7ons peut-on d\u00e9signer un pr\u00e9sident, un tr\u00e9sorier et un secr\u00e9taire, qui doivent \u00eatre trois \u00e9l\u00e8ves diff\u00e9rents ?<\/li>\n<\/ol>\n<h3 dir=\"ltr\">Corrig\u00e9 de l&rsquo;exercice 1<\/h3>\n<p dir=\"ltr\"><strong>1.<\/strong> Un code est une liste ordonn\u00e9e de 4 chiffres pris parmi 10, et un chiffre peut revenir : c&rsquo;est un 4-uplet de l&rsquo;ensemble <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-9de5093ddd14d5de7f85ca64d80b6762_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#92;&#123;&#48;&#44;&#49;&#44;&#92;&#100;&#111;&#116;&#115;&#44;&#57;&#92;&#125;\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"90\" style=\"vertical-align: -5px;\"\/>. D&rsquo;apr\u00e8s le principe multiplicatif, il y a 10 choix pour chaque position :<\/p>\n<p dir=\"ltr\" style=\"text-align: center;\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-b90700e6016e636196bcc5d72e7d4e46_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#49;&#48;&#92;&#116;&#105;&#109;&#101;&#115;&#32;&#49;&#48;&#92;&#116;&#105;&#109;&#101;&#115;&#32;&#49;&#48;&#92;&#116;&#105;&#109;&#101;&#115;&#32;&#49;&#48;&#61;&#49;&#48;&#94;&#52;&#61;&#49;&#48;&#92;&#44;&#48;&#48;&#48;\" title=\"Rendered by QuickLaTeX.com\" height=\"15\" width=\"255\" style=\"vertical-align: 0px;\"\/> codes.<\/p>\n<p dir=\"ltr\"><strong>2.<\/strong> L&rsquo;ordre compte toujours, mais un chiffre d\u00e9j\u00e0 utilis\u00e9 ne peut plus servir : c&rsquo;est un 4-uplet d&rsquo;\u00e9l\u00e9ments distincts. Il reste un choix de moins \u00e0 chaque position :<\/p>\n<p dir=\"ltr\" style=\"text-align: center;\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-13657c135ac1a8abd5b276a62ff65882_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#49;&#48;&#92;&#116;&#105;&#109;&#101;&#115;&#32;&#57;&#92;&#116;&#105;&#109;&#101;&#115;&#32;&#56;&#92;&#116;&#105;&#109;&#101;&#115;&#32;&#55;&#61;&#92;&#100;&#102;&#114;&#97;&#99;&#123;&#49;&#48;&#33;&#125;&#123;&#54;&#33;&#125;&#61;&#53;&#92;&#44;&#48;&#52;&#48;\" title=\"Rendered by QuickLaTeX.com\" height=\"37\" width=\"221\" style=\"vertical-align: -12px;\"\/> codes.<\/p>\n<p dir=\"ltr\"><strong>3.<\/strong> Les trois d\u00e9l\u00e9gu\u00e9s ont le m\u00eame r\u00f4le : \u00e9lire L\u00e9a, Tom et In\u00e8s revient \u00e0 \u00e9lire Tom, In\u00e8s et L\u00e9a. L&rsquo;ordre ne compte pas, on compte donc les parties \u00e0 3 \u00e9l\u00e9ments d&rsquo;un ensemble \u00e0 30 \u00e9l\u00e9ments :<\/p>\n<p dir=\"ltr\" style=\"text-align: center;\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-4114c07ebdb700a44ccd003fac72a2fa_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#92;&#100;&#98;&#105;&#110;&#111;&#109;&#123;&#51;&#48;&#125;&#123;&#51;&#125;&#61;&#92;&#100;&#102;&#114;&#97;&#99;&#123;&#51;&#48;&#92;&#116;&#105;&#109;&#101;&#115;&#32;&#50;&#57;&#92;&#116;&#105;&#109;&#101;&#115;&#32;&#50;&#56;&#125;&#123;&#51;&#92;&#116;&#105;&#109;&#101;&#115;&#32;&#50;&#92;&#116;&#105;&#109;&#101;&#115;&#32;&#49;&#125;&#61;&#52;&#92;&#44;&#48;&#54;&#48;\" title=\"Rendered by QuickLaTeX.com\" height=\"43\" width=\"227\" style=\"vertical-align: -17px;\"\/> fa\u00e7ons.<\/p>\n<p dir=\"ltr\"><strong>4.<\/strong> Cette fois, les r\u00f4les distinguent les \u00e9l\u00e8ves : L\u00e9a pr\u00e9sidente et Tom tr\u00e9sorier n&rsquo;est pas la m\u00eame situation que l&rsquo;inverse. L&rsquo;ordre compte, sans r\u00e9p\u00e9tition :<\/p>\n<p dir=\"ltr\" style=\"text-align: center;\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-de3faaa284e80bd8d8391eb71a9dfff9_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#51;&#48;&#92;&#116;&#105;&#109;&#101;&#115;&#32;&#50;&#57;&#92;&#116;&#105;&#109;&#101;&#115;&#32;&#50;&#56;&#61;&#50;&#52;&#92;&#44;&#51;&#54;&#48;\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"168\" style=\"vertical-align: 0px;\"\/> fa\u00e7ons.<\/p>\n<p dir=\"ltr\">On retrouve d&rsquo;ailleurs <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-c34cccbf7230a753d8803fef38cb2262_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#50;&#52;&#92;&#44;&#51;&#54;&#48;&#61;&#51;&#33;&#92;&#116;&#105;&#109;&#101;&#115;&#32;&#52;&#92;&#44;&#48;&#54;&#48;\" title=\"Rendered by QuickLaTeX.com\" height=\"13\" width=\"145\" style=\"vertical-align: 0px;\"\/> : chaque groupe de 3 d\u00e9l\u00e9gu\u00e9s peut se r\u00e9partir les trois r\u00f4les de <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-4fa158714416e60ad4315bb5cf8cb376_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#51;&#33;&#61;&#54;\" title=\"Rendered by QuickLaTeX.com\" height=\"13\" width=\"46\" style=\"vertical-align: 0px;\"\/> fa\u00e7ons.<\/p>\n<div style=\"background: #FFF8EC; border-left: 6px solid #C77F0C; padding: 15px; margin: 20px 0; color: #0f2742;\"><strong>&#x1f4a1; Astuce :<\/strong> posez-vous les deux questions dans cet ordre. L&rsquo;ordre compte-t-il ? Si oui, un \u00e9l\u00e9ment peut-il revenir ? Avec r\u00e9p\u00e9tition, la formule est <img decoding=\"async\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-001cb9922eb0ec0178a1162a515b65f9_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#110;&#94;&#107;\" title=\"Rendered by QuickLaTeX.com\" height=\"15\" width=\"18\" style=\"vertical-align: 0px;\"\/> ; sans r\u00e9p\u00e9tition, <img decoding=\"async\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-de40da8e0483355e627ceb12d2c40882_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#92;&#100;&#102;&#114;&#97;&#99;&#123;&#110;&#33;&#125;&#123;&#40;&#110;&#45;&#107;&#41;&#33;&#125;\" title=\"Rendered by QuickLaTeX.com\" height=\"42\" width=\"61\" style=\"vertical-align: -17px;\"\/>. Si l&rsquo;ordre ne compte pas, c&rsquo;est <img decoding=\"async\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-ef93858c24d8a2dab11e4f04ceb8f66c_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#92;&#100;&#98;&#105;&#110;&#111;&#109;&#123;&#110;&#125;&#123;&#107;&#125;\" title=\"Rendered by QuickLaTeX.com\" height=\"43\" width=\"31\" style=\"vertical-align: -17px;\"\/>. Les formules sont d\u00e9taill\u00e9es dans le <a href=\"https:\/\/groupe-reussite.fr\/ressources\/cours-en-ligne-denombrement-terminale\/\">cours de d\u00e9nombrement en terminale<\/a>.<\/div>\n<h2 dir=\"ltr\">Exercice 2 : tirages de boules dans une urne, successifs ou simultan\u00e9s<\/h2>\n<h3 dir=\"ltr\">\u00c9nonc\u00e9 de l&rsquo;exercice 2<\/h3>\n<p dir=\"ltr\">Une urne contient cinq boules noires num\u00e9rot\u00e9es de 1 \u00e0 5, quatre boules rouges num\u00e9rot\u00e9es de 1 \u00e0 4 et deux boules blanches num\u00e9rot\u00e9es 1 et 2. On tire successivement et sans remise trois boules dans l&rsquo;urne.<\/p>\n<ol>\n<li>Quel est le nombre de tirages possibles ?<\/li>\n<li>Combien de tirages comportent trois boules rouges ?<\/li>\n<li>Combien de tirages comportent au moins une boule noire ?<\/li>\n<li>Combien de tirages comportent trois boules de trois couleurs diff\u00e9rentes ?<\/li>\n<li>Combien de tirages comportent des boules d&rsquo;exactement deux couleurs ?<\/li>\n<li>On tire maintenant les trois boules simultan\u00e9ment. Combien y a-t-il de tirages possibles ? Combien comportent exactement deux boules rouges ?<\/li>\n<\/ol>\n<h3 dir=\"ltr\">Corrig\u00e9 de l&rsquo;exercice 2<\/h3>\n<p dir=\"ltr\"><strong>1.<\/strong> L&rsquo;urne contient <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-9665c2064748dcc2a67a963eeb23c80a_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#53;&#43;&#52;&#43;&#50;&#61;&#49;&#49;\" title=\"Rendered by QuickLaTeX.com\" height=\"15\" width=\"111\" style=\"vertical-align: -2px;\"\/> boules, toutes distinctes gr\u00e2ce \u00e0 leur couleur et leur num\u00e9ro. Un tirage successif sans remise de 3 boules est un 3-uplet d&rsquo;\u00e9l\u00e9ments distincts de cet ensemble :<\/p>\n<p dir=\"ltr\" style=\"text-align: center;\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-bbfc9f98835dcd27393fcc3166e71c1e_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#49;&#49;&#92;&#116;&#105;&#109;&#101;&#115;&#32;&#49;&#48;&#92;&#116;&#105;&#109;&#101;&#115;&#32;&#57;&#61;&#57;&#57;&#48;\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"137\" style=\"vertical-align: 0px;\"\/> tirages.<\/p>\n<p dir=\"ltr\"><strong>2.<\/strong> On tire les trois boules parmi les 4 rouges seulement : <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-8b89c37bfa0e4d0ff21c3c51ff2fa91d_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#52;&#92;&#116;&#105;&#109;&#101;&#115;&#32;&#51;&#92;&#116;&#105;&#109;&#101;&#115;&#32;&#50;&#61;&#50;&#52;\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"112\" style=\"vertical-align: 0px;\"\/> tirages.<\/p>\n<p dir=\"ltr\"><strong>3.<\/strong> \u00ab Au moins une noire \u00bb regroupe les tirages avec 1, 2 ou 3 noires. Il est plus rapide de compter le contraire, les tirages sans aucune noire : les trois boules sont alors prises parmi les <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-4a4f3428e6722f77fa77b7e3821c7d52_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#49;&#49;&#45;&#53;&#61;&#54;\" title=\"Rendered by QuickLaTeX.com\" height=\"13\" width=\"80\" style=\"vertical-align: 0px;\"\/> boules non noires, soit <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-02588a99b64e5355452d9ae37e310060_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#54;&#92;&#116;&#105;&#109;&#101;&#115;&#32;&#53;&#92;&#116;&#105;&#109;&#101;&#115;&#32;&#52;&#61;&#49;&#50;&#48;\" title=\"Rendered by QuickLaTeX.com\" height=\"13\" width=\"121\" style=\"vertical-align: 0px;\"\/> tirages. On en d\u00e9duit :<\/p>\n<p dir=\"ltr\" style=\"text-align: center;\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-6f8e565a9a2c3bf4d5b97d693bc230c9_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#57;&#57;&#48;&#45;&#49;&#50;&#48;&#61;&#56;&#55;&#48;\" title=\"Rendered by QuickLaTeX.com\" height=\"13\" width=\"125\" style=\"vertical-align: 0px;\"\/> tirages avec au moins une boule noire.<\/p>\n<p dir=\"ltr\"><strong>4.<\/strong> On d\u00e9compose le tirage en deux \u00e9tapes.<\/p>\n<ul>\n<li>On choisit l&rsquo;ordre d&rsquo;apparition des couleurs : c&rsquo;est une permutation des 3 couleurs, il y en a <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-4fa158714416e60ad4315bb5cf8cb376_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#51;&#33;&#61;&#54;\" title=\"Rendered by QuickLaTeX.com\" height=\"13\" width=\"46\" style=\"vertical-align: 0px;\"\/>.<\/li>\n<li>L&rsquo;ordre des couleurs \u00e9tant fix\u00e9, on choisit une boule noire (5 choix), une rouge (4 choix) et une blanche (2 choix), soit <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-87bf6986f41b97ae178fcd1dd884070d_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#53;&#92;&#116;&#105;&#109;&#101;&#115;&#32;&#52;&#92;&#116;&#105;&#109;&#101;&#115;&#32;&#50;&#61;&#52;&#48;\" title=\"Rendered by QuickLaTeX.com\" height=\"13\" width=\"112\" style=\"vertical-align: 0px;\"\/> possibilit\u00e9s.<\/li>\n<\/ul>\n<p dir=\"ltr\">Il y a donc <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-129ca27466f25830ac4bd6a34503bc19_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#54;&#92;&#116;&#105;&#109;&#101;&#115;&#32;&#52;&#48;&#61;&#50;&#52;&#48;\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"99\" style=\"vertical-align: 0px;\"\/> tirages tricolores.<\/p>\n<p dir=\"ltr\"><strong>5.<\/strong> Chaque tirage est soit unicolore, soit bicolore, soit tricolore, et ces trois cas ne se recoupent pas. D&rsquo;apr\u00e8s le principe additif, il suffit de retirer les unicolores et les tricolores du total.<\/p>\n<ul>\n<li>Tirages unicolores : 24 tirages rouges (question 2), <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-d4e22f9a86ae6d8e4b5cdbcf1cdfe345_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#53;&#92;&#116;&#105;&#109;&#101;&#115;&#32;&#52;&#92;&#116;&#105;&#109;&#101;&#115;&#32;&#51;&#61;&#54;&#48;\" title=\"Rendered by QuickLaTeX.com\" height=\"13\" width=\"112\" style=\"vertical-align: 0px;\"\/> tirages noirs, et aucun tirage blanc puisqu&rsquo;il n&rsquo;y a que 2 boules blanches. Cela fait <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-ad9d917ca34f143e879fe1a848a7998f_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#50;&#52;&#43;&#54;&#48;&#61;&#56;&#52;\" title=\"Rendered by QuickLaTeX.com\" height=\"14\" width=\"99\" style=\"vertical-align: -2px;\"\/> tirages.<\/li>\n<li>Tirages tricolores : 240 (question 4).<\/li>\n<\/ul>\n<p dir=\"ltr\" style=\"text-align: center;\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-ec965c3604b7e7b877de2659892c3896_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#57;&#57;&#48;&#45;&#56;&#52;&#45;&#50;&#52;&#48;&#61;&#54;&#54;&#54;\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"165\" style=\"vertical-align: 0px;\"\/> tirages bicolores.<\/p>\n<p dir=\"ltr\"><strong>6.<\/strong> Dans un tirage simultan\u00e9, les trois boules sortent ensemble : l&rsquo;ordre ne compte plus. Un tirage est une partie \u00e0 3 \u00e9l\u00e9ments de l&rsquo;ensemble des 11 boules :<\/p>\n<p dir=\"ltr\" style=\"text-align: center;\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-d87c01861a3496e5a73dba77b2bf03bb_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#92;&#100;&#98;&#105;&#110;&#111;&#109;&#123;&#49;&#49;&#125;&#123;&#51;&#125;&#61;&#92;&#100;&#102;&#114;&#97;&#99;&#123;&#49;&#49;&#92;&#116;&#105;&#109;&#101;&#115;&#32;&#49;&#48;&#92;&#116;&#105;&#109;&#101;&#115;&#32;&#57;&#125;&#123;&#51;&#92;&#116;&#105;&#109;&#101;&#115;&#32;&#50;&#92;&#116;&#105;&#109;&#101;&#115;&#32;&#49;&#125;&#61;&#49;&#54;&#53;\" title=\"Rendered by QuickLaTeX.com\" height=\"43\" width=\"206\" style=\"vertical-align: -17px;\"\/> tirages.<\/p>\n<p dir=\"ltr\">Pour avoir exactement deux rouges, on choisit 2 rouges parmi les 4, puis 1 boule parmi les 7 qui ne sont pas rouges :<\/p>\n<p dir=\"ltr\" style=\"text-align: center;\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-17ec0d74d198ea7ca2531bade86b4b2a_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#92;&#100;&#98;&#105;&#110;&#111;&#109;&#123;&#52;&#125;&#123;&#50;&#125;&#92;&#116;&#105;&#109;&#101;&#115;&#92;&#100;&#98;&#105;&#110;&#111;&#109;&#123;&#55;&#125;&#123;&#49;&#125;&#61;&#54;&#92;&#116;&#105;&#109;&#101;&#115;&#32;&#55;&#61;&#52;&#50;\" title=\"Rendered by QuickLaTeX.com\" height=\"43\" width=\"192\" style=\"vertical-align: -17px;\"\/> tirages.<\/p>\n<div style=\"background: #FFF8EC; border-left: 6px solid #C77F0C; padding: 15px; margin: 20px 0; color: #0f2742;\"><strong>&#x1f4a1; Astuce :<\/strong> v\u00e9rifiez la coh\u00e9rence entre les deux types de tirage. Chaque tirage simultan\u00e9 correspond \u00e0 <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-4fa158714416e60ad4315bb5cf8cb376_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#51;&#33;&#61;&#54;\" title=\"Rendered by QuickLaTeX.com\" height=\"13\" width=\"46\" style=\"vertical-align: 0px;\"\/> tirages successifs, puisque les trois boules peuvent sortir dans 6 ordres diff\u00e9rents. On retrouve bien <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-cc9a62805f7d3c078dccafec3baa00ff_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#57;&#57;&#48;&#61;&#54;&#92;&#116;&#105;&#109;&#101;&#115;&#32;&#49;&#54;&#53;\" title=\"Rendered by QuickLaTeX.com\" height=\"13\" width=\"107\" style=\"vertical-align: 0px;\"\/>.<\/div>\n<p>&nbsp;<\/p>\n\t\t<div data-elementor-type=\"section\" data-elementor-id=\"188470\" class=\"elementor elementor-188470\">\n\t\t\t\t\t<div class=\"elementor-section-wrap\">\n\t\t\t\t\t\t\t\t<section class=\"has_ae_slider elementor-section elementor-inner-section elementor-element elementor-element-631306ea elementor-section-content-bottom full_width elementor-section-full_width elementor-section-height-min-height elementor-section-height-default ae-bg-gallery-type-default\" data-id=\"631306ea\" data-element_type=\"section\" data-e-type=\"section\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-narrow\">\n\t\t\t\t\t<div class=\"has_ae_slider elementor-column elementor-col-66 elementor-inner-column elementor-element elementor-element-6563f946 ae-bg-gallery-type-default\" data-id=\"6563f946\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-6683ddba elementor-widget elementor-widget-heading\" data-id=\"6683ddba\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">UN PROF DE MATHS POUR EXCELLER<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-368ff731 elementor-widget elementor-widget-heading\" data-id=\"368ff731\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h4 class=\"elementor-heading-title elementor-size-default\">La pratique et la compr\u00e9hension <br \/> cl\u00e9s de la r\u00e9ussite<\/b><\/h4>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-3481b8e7 elementor-widget elementor-widget-heading\" data-id=\"3481b8e7\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h4 class=\"elementor-heading-title elementor-size-default\">Cours de maths en ligne ou \u00e0 domicile<\/h4>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-5b36e2da elementor-align-left elementor-mobile-align-center elementor-widget elementor-widget-button\" data-id=\"5b36e2da\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-button-wrapper\">\n\t\t\t\t\t<a class=\"elementor-button elementor-button-link elementor-size-md\" href=\"https:\/\/groupe-reussite.fr\/cours-particuliers\/maths\/tous-niveaux\/france\/\" target=\"_blank\" id=\"CTA_PRD_CP\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t\t\t\t<span class=\"elementor-button-text\">Professeur particulier de maths<\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-44ee3437 elementor-widget elementor-widget-text-editor\" data-id=\"44ee3437\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p style=\"text-align: left;\"><b>Avis Google France <\/b><span style=\"color: #e5a430;\"><b>\u2605\u2605\u2605\u2605\u2605<\/b><\/span><b> 4,9 sur 5<\/b><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t<div class=\"has_ae_slider elementor-column elementor-col-33 elementor-inner-column elementor-element elementor-element-5189cb59 ae-bg-gallery-type-default\" data-id=\"5189cb59\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap\">\n\t\t\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\n<p>&nbsp;<\/p>\n<h2 dir=\"ltr\">Exercice 3 : anagrammes et permutations<\/h2>\n<h3 dir=\"ltr\">\u00c9nonc\u00e9 de l&rsquo;exercice 3<\/h3>\n<p dir=\"ltr\">Une anagramme d&rsquo;un mot est un mot, qui a un sens ou non, form\u00e9 des m\u00eames lettres, chacune utilis\u00e9e le m\u00eame nombre de fois.<\/p>\n<ol>\n<li>Combien d&rsquo;anagrammes le mot PROBA poss\u00e8de-t-il, en comptant le mot lui-m\u00eame ?<\/li>\n<li>Combien de ces anagrammes commencent par une voyelle ?<\/li>\n<li>Combien d&rsquo;anagrammes le mot ELEVE poss\u00e8de-t-il ?<\/li>\n<\/ol>\n<h3 dir=\"ltr\">Corrig\u00e9 de l&rsquo;exercice 3<\/h3>\n<p dir=\"ltr\"><strong>1.<\/strong> Les 5 lettres de PROBA sont toutes diff\u00e9rentes. Une anagramme revient \u00e0 ranger ces 5 lettres dans un ordre : c&rsquo;est une permutation d&rsquo;un ensemble \u00e0 5 \u00e9l\u00e9ments.<\/p>\n<p dir=\"ltr\" style=\"text-align: center;\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-192680a29f039a60bc91bd1f5ad1c16d_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#53;&#33;&#61;&#53;&#92;&#116;&#105;&#109;&#101;&#115;&#32;&#52;&#92;&#116;&#105;&#109;&#101;&#115;&#32;&#51;&#92;&#116;&#105;&#109;&#101;&#115;&#32;&#50;&#92;&#116;&#105;&#109;&#101;&#115;&#32;&#49;&#61;&#49;&#50;&#48;\" title=\"Rendered by QuickLaTeX.com\" height=\"13\" width=\"219\" style=\"vertical-align: 0px;\"\/> anagrammes.<\/p>\n<p dir=\"ltr\"><strong>2.<\/strong> La premi\u00e8re lettre est O ou A, soit 2 choix. Les 4 lettres restantes se rangent ensuite de <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-34ba95f87a0e3cea4ad29b11941892f7_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#52;&#33;&#61;&#50;&#52;\" title=\"Rendered by QuickLaTeX.com\" height=\"13\" width=\"55\" style=\"vertical-align: 0px;\"\/> fa\u00e7ons. Il y a donc <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-00ad7aa9aeddde289623c97a94e60a82_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#50;&#92;&#116;&#105;&#109;&#101;&#115;&#32;&#50;&#52;&#61;&#52;&#56;\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"90\" style=\"vertical-align: 0px;\"\/> anagrammes qui commencent par une voyelle.<\/p>\n<p dir=\"ltr\"><strong>3.<\/strong> Le mot ELEVE contient trois E identiques : \u00e9changer deux E ne cr\u00e9e pas de nouveau mot, la formule <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-1aa90678cd6bf384861b42b23e66404e_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#53;&#33;\" title=\"Rendered by QuickLaTeX.com\" height=\"13\" width=\"13\" style=\"vertical-align: 0px;\"\/> compterait donc chaque anagramme plusieurs fois. On raisonne plut\u00f4t sur les positions.<\/p>\n<ul>\n<li>On choisit les 3 positions des E parmi les 5 : <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-915fd8b44d67c76a08ede2631e0e753f_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#92;&#100;&#98;&#105;&#110;&#111;&#109;&#123;&#53;&#125;&#123;&#51;&#125;&#61;&#49;&#48;\" title=\"Rendered by QuickLaTeX.com\" height=\"43\" width=\"74\" style=\"vertical-align: -17px;\"\/> choix.<\/li>\n<li>On place L et V dans les 2 positions restantes : 2 fa\u00e7ons.<\/li>\n<\/ul>\n<p dir=\"ltr\">Il y a <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-022c1adffbc163e4176823ae527ab10a_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#49;&#48;&#92;&#116;&#105;&#109;&#101;&#115;&#32;&#50;&#61;&#50;&#48;\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"89\" style=\"vertical-align: 0px;\"\/> anagrammes de ELEVE. On peut le v\u00e9rifier autrement : les <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-d1b77c9728dcba20559a7879830d2f0a_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#53;&#33;&#61;&#49;&#50;&#48;\" title=\"Rendered by QuickLaTeX.com\" height=\"13\" width=\"64\" style=\"vertical-align: 0px;\"\/> rangements comptent chaque mot <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-4fa158714416e60ad4315bb5cf8cb376_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#51;&#33;&#61;&#54;\" title=\"Rendered by QuickLaTeX.com\" height=\"13\" width=\"46\" style=\"vertical-align: 0px;\"\/> fois, puisque les trois E peuvent s&rsquo;\u00e9changer de 6 fa\u00e7ons, et <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-69598ba2f6996587b0becebee8efe377_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#92;&#100;&#102;&#114;&#97;&#99;&#123;&#49;&#50;&#48;&#125;&#123;&#54;&#125;&#61;&#50;&#48;\" title=\"Rendered by QuickLaTeX.com\" height=\"36\" width=\"70\" style=\"vertical-align: -12px;\"\/>.<\/p>\n<h2 dir=\"ltr\">Exercice 4 : chemins dans un quadrillage<\/h2>\n<h3 dir=\"ltr\">\u00c9nonc\u00e9 de l&rsquo;exercice 4<\/h3>\n<p dir=\"ltr\">Dans un rep\u00e8re, on se d\u00e9place du point <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-4ae799420fbe10a839a55b8b435456ff_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#65;&#40;&#48;&#92;&#44;&#59;&#48;&#41;\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"55\" style=\"vertical-align: -5px;\"\/> au point <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-396bffece1ba67e433e472ab5364f73a_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#66;&#40;&#52;&#92;&#44;&#59;&#51;&#41;\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"56\" style=\"vertical-align: -5px;\"\/> en avan\u00e7ant d&rsquo;une unit\u00e9 \u00e0 chaque pas, soit vers la droite (D), soit vers le haut (H).<\/p>\n<ol>\n<li>Combien de chemins m\u00e8nent de A \u00e0 B ?<\/li>\n<li>Combien de ces chemins passent par le point <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-412e069a12bcb67f96dcb9c585270ba7_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#67;&#40;&#50;&#92;&#44;&#59;&#49;&#41;\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"56\" style=\"vertical-align: -5px;\"\/> ?<\/li>\n<li>Combien de chemins de A \u00e0 B \u00e9vitent le point C ?<\/li>\n<\/ol>\n<h3 dir=\"ltr\">Corrig\u00e9 de l&rsquo;exercice 4<\/h3>\n<p dir=\"ltr\"><strong>1.<\/strong> Pour aller de A \u00e0 B, il faut faire 4 pas D et 3 pas H, soit 7 pas. Un chemin s&rsquo;\u00e9crit donc comme un mot de 7 lettres contenant 4 D et 3 H, par exemple DDHDHHD. Ce mot est enti\u00e8rement d\u00e9termin\u00e9 par les positions des 3 lettres H parmi les 7 :<\/p>\n<p dir=\"ltr\" style=\"text-align: center;\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-58127d6906876ad4d3a7c5ff7634cbbc_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#92;&#100;&#98;&#105;&#110;&#111;&#109;&#123;&#55;&#125;&#123;&#51;&#125;&#61;&#92;&#100;&#102;&#114;&#97;&#99;&#123;&#55;&#92;&#116;&#105;&#109;&#101;&#115;&#32;&#54;&#92;&#116;&#105;&#109;&#101;&#115;&#32;&#53;&#125;&#123;&#51;&#92;&#116;&#105;&#109;&#101;&#115;&#32;&#50;&#92;&#116;&#105;&#109;&#101;&#115;&#32;&#49;&#125;&#61;&#51;&#53;\" title=\"Rendered by QuickLaTeX.com\" height=\"43\" width=\"170\" style=\"vertical-align: -17px;\"\/> chemins.<\/p>\n<p dir=\"ltr\"><strong>2.<\/strong> On d\u00e9coupe le trajet en deux morceaux.<\/p>\n<ul>\n<li>De A \u00e0 C : 2 pas D et 1 pas H, soit <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-15220dee5466bf64e52153938bd79915_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#92;&#100;&#98;&#105;&#110;&#111;&#109;&#123;&#51;&#125;&#123;&#49;&#125;&#61;&#51;\" title=\"Rendered by QuickLaTeX.com\" height=\"43\" width=\"65\" style=\"vertical-align: -17px;\"\/> chemins.<\/li>\n<li>De C \u00e0 B : 2 pas D et 2 pas H, soit <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-fdf9f440824cbd4e30bbac148ef349e1_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#92;&#100;&#98;&#105;&#110;&#111;&#109;&#123;&#52;&#125;&#123;&#50;&#125;&#61;&#54;\" title=\"Rendered by QuickLaTeX.com\" height=\"43\" width=\"65\" style=\"vertical-align: -17px;\"\/> chemins.<\/li>\n<\/ul>\n<p dir=\"ltr\">Chaque chemin de A \u00e0 C peut se prolonger par n&rsquo;importe quel chemin de C \u00e0 B. D&rsquo;apr\u00e8s le principe multiplicatif, <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-1a21f61f0bd7828f699548c015d02261_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#51;&#92;&#116;&#105;&#109;&#101;&#115;&#32;&#54;&#61;&#49;&#56;\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"81\" style=\"vertical-align: 0px;\"\/> chemins passent par C.<\/p>\n<p dir=\"ltr\"><strong>3.<\/strong> On utilise le compl\u00e9mentaire : <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-b12ec06521d0d0f33851c960ab202670_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#51;&#53;&#45;&#49;&#56;&#61;&#49;&#55;\" title=\"Rendered by QuickLaTeX.com\" height=\"13\" width=\"99\" style=\"vertical-align: 0px;\"\/> chemins \u00e9vitent le point C.<\/p>\n<h2 dir=\"ltr\">Exercice 5 : compter des entiers \u00e0 n chiffres<\/h2>\n<h3 dir=\"ltr\">\u00c9nonc\u00e9 de l&rsquo;exercice 5<\/h3>\n<p dir=\"ltr\">Dans tout l&rsquo;exercice, <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-b170995d512c659d8668b4e42e1fef6b_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#110;\" title=\"Rendered by QuickLaTeX.com\" height=\"8\" width=\"11\" style=\"vertical-align: 0px;\"\/> est un entier naturel tel que <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-0e463c95ea048fbea3c14d8ea8a7c85b_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#110;&#92;&#103;&#101;&#113;&#115;&#108;&#97;&#110;&#116;&#32;&#51;\" title=\"Rendered by QuickLaTeX.com\" height=\"15\" width=\"43\" style=\"vertical-align: -3px;\"\/>. On rappelle que l&rsquo;\u00e9criture d&rsquo;un entier \u00e0 <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-b170995d512c659d8668b4e42e1fef6b_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#110;\" title=\"Rendered by QuickLaTeX.com\" height=\"8\" width=\"11\" style=\"vertical-align: 0px;\"\/> chiffres ne commence jamais par 0.<\/p>\n<ol>\n<li>Combien y a-t-il d&rsquo;entiers \u00e0 <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-b170995d512c659d8668b4e42e1fef6b_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#110;\" title=\"Rendered by QuickLaTeX.com\" height=\"8\" width=\"11\" style=\"vertical-align: 0px;\"\/> chiffres contenant un seul 0 et un seul 1 ? Choisissez la bonne r\u00e9ponse et justifiez-la.<br \/>\na) <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-52c9b610a4140b35b3863f8a634e1af8_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#110;&#92;&#44;&#40;&#110;&#45;&#49;&#41;&#92;&#44;&#56;&#94;&#123;&#110;&#45;&#50;&#125;\" title=\"Rendered by QuickLaTeX.com\" height=\"20\" width=\"107\" style=\"vertical-align: -5px;\"\/><br \/>\nb) <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-24cc0fa0bf92d007f10acebda52ec004_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#40;&#110;&#45;&#49;&#41;&#94;&#50;&#92;&#44;&#56;&#94;&#123;&#110;&#45;&#50;&#125;\" title=\"Rendered by QuickLaTeX.com\" height=\"20\" width=\"100\" style=\"vertical-align: -5px;\"\/><\/li>\n<li>Combien y a-t-il d&rsquo;entiers \u00e0 <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-b170995d512c659d8668b4e42e1fef6b_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#110;\" title=\"Rendered by QuickLaTeX.com\" height=\"8\" width=\"11\" style=\"vertical-align: 0px;\"\/> chiffres \u00e9crits avec exactement deux chiffres diff\u00e9rents, tous deux non nuls ? Donnez la valeur pour <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-6f852454e2c6c16d005bca006d38cbc8_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#110;&#61;&#53;\" title=\"Rendered by QuickLaTeX.com\" height=\"13\" width=\"42\" style=\"vertical-align: 0px;\"\/>.<\/li>\n<li>Combien y a-t-il d&rsquo;entiers \u00e0 <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-b170995d512c659d8668b4e42e1fef6b_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#110;\" title=\"Rendered by QuickLaTeX.com\" height=\"8\" width=\"11\" style=\"vertical-align: 0px;\"\/> chiffres \u00e9crits avec exactement deux chiffres diff\u00e9rents, dont l&rsquo;un est 0 ? Donnez la valeur pour <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-6f852454e2c6c16d005bca006d38cbc8_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#110;&#61;&#53;\" title=\"Rendered by QuickLaTeX.com\" height=\"13\" width=\"42\" style=\"vertical-align: 0px;\"\/>.<\/li>\n<\/ol>\n<h3 dir=\"ltr\">Corrig\u00e9 de l&rsquo;exercice 5<\/h3>\n<p dir=\"ltr\"><strong>1.<\/strong> La bonne r\u00e9ponse est <strong>b)<\/strong>. On construit l&rsquo;entier en trois \u00e9tapes.<\/p>\n<ul>\n<li>Le 0 ne peut pas occuper la premi\u00e8re position : il reste <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-f30b71e7fcec69d119f30f67cf09c975_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#110;&#45;&#49;\" title=\"Rendered by QuickLaTeX.com\" height=\"13\" width=\"40\" style=\"vertical-align: -1px;\"\/> positions possibles.<\/li>\n<li>Le 1 se place dans l&rsquo;une des <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-f30b71e7fcec69d119f30f67cf09c975_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#110;&#45;&#49;\" title=\"Rendered by QuickLaTeX.com\" height=\"13\" width=\"40\" style=\"vertical-align: -1px;\"\/> positions encore libres.<\/li>\n<li>Les <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-376421fcb29272bc9eaf7a0fe5d80c73_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#110;&#45;&#50;\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"40\" style=\"vertical-align: 0px;\"\/> positions restantes re\u00e7oivent chacune un chiffre de <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-e1e8fc2bc007c2da5759aec7123e5ae4_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#92;&#123;&#50;&#44;&#51;&#44;&#92;&#100;&#111;&#116;&#115;&#44;&#57;&#92;&#125;\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"90\" style=\"vertical-align: -5px;\"\/>, soit 8 choix par position : <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-c2c5bc58cae1ae08395a4b2f5b678d0b_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#56;&#94;&#123;&#110;&#45;&#50;&#125;\" title=\"Rendered by QuickLaTeX.com\" height=\"15\" width=\"35\" style=\"vertical-align: 0px;\"\/> possibilit\u00e9s.<\/li>\n<\/ul>\n<p dir=\"ltr\">D&rsquo;apr\u00e8s le principe multiplicatif, il y a <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-24cc0fa0bf92d007f10acebda52ec004_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#40;&#110;&#45;&#49;&#41;&#94;&#50;&#92;&#44;&#56;&#94;&#123;&#110;&#45;&#50;&#125;\" title=\"Rendered by QuickLaTeX.com\" height=\"20\" width=\"100\" style=\"vertical-align: -5px;\"\/> entiers. La r\u00e9ponse a) correspond au calcul qui oublie l&rsquo;interdiction du 0 en premi\u00e8re position. Pour <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-85761a607075b960ff00638d721cfe9c_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#110;&#61;&#51;\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"43\" style=\"vertical-align: 0px;\"\/>, on obtient <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-b23b598223433a6f62925f6c9f1b8692_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#50;&#94;&#50;&#92;&#116;&#105;&#109;&#101;&#115;&#32;&#56;&#61;&#51;&#50;\" title=\"Rendered by QuickLaTeX.com\" height=\"15\" width=\"88\" style=\"vertical-align: 0px;\"\/> entiers, comme 102 ou 310.<\/p>\n<p dir=\"ltr\"><strong>2.<\/strong> On choisit d&rsquo;abord les deux chiffres <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-5c53d6ebabdbcfa4e107550ea60b1b19_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#97;\" title=\"Rendered by QuickLaTeX.com\" height=\"8\" width=\"9\" style=\"vertical-align: 0px;\"\/> et <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-f56d50c26583f9a035ff6b4e3c0ca5c0_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#98;\" title=\"Rendered by QuickLaTeX.com\" height=\"13\" width=\"8\" style=\"vertical-align: 0px;\"\/> parmi <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-9af4b2651b1d8e47f0cad9acdaac0cae_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#92;&#123;&#49;&#44;&#50;&#44;&#92;&#100;&#111;&#116;&#115;&#44;&#57;&#92;&#125;\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"90\" style=\"vertical-align: -5px;\"\/> : <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-f7edde050ab358d72968b6f74aedf393_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#92;&#100;&#98;&#105;&#110;&#111;&#109;&#123;&#57;&#125;&#123;&#50;&#125;&#61;&#51;&#54;\" title=\"Rendered by QuickLaTeX.com\" height=\"43\" width=\"74\" style=\"vertical-align: -17px;\"\/> choix. Un entier \u00e9crit avec ces deux chiffres est un mot de longueur <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-b170995d512c659d8668b4e42e1fef6b_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#110;\" title=\"Rendered by QuickLaTeX.com\" height=\"8\" width=\"11\" style=\"vertical-align: 0px;\"\/> sur l&rsquo;alphabet <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-c9f3d6122b327bb4cb0c19db69a8f4d2_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#92;&#123;&#97;&#44;&#98;&#92;&#125;\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"41\" style=\"vertical-align: -5px;\"\/> : il y en a <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-e4249a2b3de09582eb567b98f8cd62b1_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#50;&#94;&#110;\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"17\" style=\"vertical-align: 0px;\"\/>. Il faut retirer les deux mots qui n&rsquo;utilisent qu&rsquo;un seul chiffre, <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-b71afeff00a34ccb3ed25a0d5faa66bb_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#97;&#97;&#92;&#100;&#111;&#116;&#115;&#32;&#97;\" title=\"Rendered by QuickLaTeX.com\" height=\"8\" width=\"54\" style=\"vertical-align: 0px;\"\/> et <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-148a68415d00395edc771c67e2d954d2_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#98;&#98;&#92;&#100;&#111;&#116;&#115;&#32;&#98;\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"50\" style=\"vertical-align: 0px;\"\/>, ce qui laisse <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-0728c83e4c89c71053cfae69398e1a82_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#50;&#94;&#110;&#45;&#50;\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"48\" style=\"vertical-align: 0px;\"\/> entiers. Comme <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-5c53d6ebabdbcfa4e107550ea60b1b19_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#97;\" title=\"Rendered by QuickLaTeX.com\" height=\"8\" width=\"9\" style=\"vertical-align: 0px;\"\/> et <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-f56d50c26583f9a035ff6b4e3c0ca5c0_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#98;\" title=\"Rendered by QuickLaTeX.com\" height=\"13\" width=\"8\" style=\"vertical-align: 0px;\"\/> sont non nuls, le premier chiffre ne pose aucun probl\u00e8me.<\/p>\n<p dir=\"ltr\" style=\"text-align: center;\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-65030e643594bf27269a21bc15b016e3_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#51;&#54;&#92;&#116;&#105;&#109;&#101;&#115;&#40;&#50;&#94;&#110;&#45;&#50;&#41;\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"101\" style=\"vertical-align: -5px;\"\/> entiers, soit <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-af76ef70ef5a989de6fbe58fb66df885_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#51;&#54;&#92;&#116;&#105;&#109;&#101;&#115;&#40;&#51;&#50;&#45;&#50;&#41;&#61;&#49;&#92;&#44;&#48;&#56;&#48;\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"164\" style=\"vertical-align: -5px;\"\/> pour <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-6f852454e2c6c16d005bca006d38cbc8_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#110;&#61;&#53;\" title=\"Rendered by QuickLaTeX.com\" height=\"13\" width=\"42\" style=\"vertical-align: 0px;\"\/>.<\/p>\n<p dir=\"ltr\"><strong>3.<\/strong> On choisit le chiffre non nul <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-5c53d6ebabdbcfa4e107550ea60b1b19_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#97;\" title=\"Rendered by QuickLaTeX.com\" height=\"8\" width=\"9\" style=\"vertical-align: 0px;\"\/> : 9 choix. Le premier chiffre est forc\u00e9ment <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-5c53d6ebabdbcfa4e107550ea60b1b19_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#97;\" title=\"Rendered by QuickLaTeX.com\" height=\"8\" width=\"9\" style=\"vertical-align: 0px;\"\/>, puisqu&rsquo;il ne peut pas \u00eatre 0. Les <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-f30b71e7fcec69d119f30f67cf09c975_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#110;&#45;&#49;\" title=\"Rendered by QuickLaTeX.com\" height=\"13\" width=\"40\" style=\"vertical-align: -1px;\"\/> chiffres suivants forment un mot sur l&rsquo;alphabet <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-1b54909ff302da1fe4a6dde40d89e587_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#92;&#123;&#48;&#44;&#97;&#92;&#125;\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"42\" style=\"vertical-align: -5px;\"\/>, ce qui donne <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-c0ba7fa91fa53156660e336cfcf01ddb_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#50;&#94;&#123;&#110;&#45;&#49;&#125;\" title=\"Rendered by QuickLaTeX.com\" height=\"15\" width=\"34\" style=\"vertical-align: 0px;\"\/> mots, dont il faut retirer celui qui ne contient aucun 0 : il en reste <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-528e882cb256a1921ac766b492b55be8_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#50;&#94;&#123;&#110;&#45;&#49;&#125;&#45;&#49;\" title=\"Rendered by QuickLaTeX.com\" height=\"15\" width=\"65\" style=\"vertical-align: 0px;\"\/>.<\/p>\n<p dir=\"ltr\" style=\"text-align: center;\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-e5d384076c91085a1f7d3e28914d1f7d_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#57;&#92;&#116;&#105;&#109;&#101;&#115;&#92;&#108;&#101;&#102;&#116;&#40;&#50;&#94;&#123;&#110;&#45;&#49;&#125;&#45;&#49;&#92;&#114;&#105;&#103;&#104;&#116;&#41;\" title=\"Rendered by QuickLaTeX.com\" height=\"22\" width=\"111\" style=\"vertical-align: -7px;\"\/> entiers, soit <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-ae8071d7f243e019f5ca4aa6ed6be5b1_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#57;&#92;&#116;&#105;&#109;&#101;&#115;&#32;&#49;&#53;&#61;&#49;&#51;&#53;\" title=\"Rendered by QuickLaTeX.com\" height=\"13\" width=\"98\" style=\"vertical-align: 0px;\"\/> pour <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-6f852454e2c6c16d005bca006d38cbc8_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#110;&#61;&#53;\" title=\"Rendered by QuickLaTeX.com\" height=\"13\" width=\"42\" style=\"vertical-align: 0px;\"\/>.<\/p>\n<h2 dir=\"ltr\">Exercice 6 : les d\u00e9monstrations du cours<\/h2>\n<h3 dir=\"ltr\">\u00c9nonc\u00e9 de l&rsquo;exercice 6<\/h3>\n<p dir=\"ltr\">Soit <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-764e1c770271f92700e1a4fbce46c668_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#69;\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"14\" style=\"vertical-align: 0px;\"\/> un ensemble \u00e0 <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-b170995d512c659d8668b4e42e1fef6b_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#110;\" title=\"Rendered by QuickLaTeX.com\" height=\"8\" width=\"11\" style=\"vertical-align: 0px;\"\/> \u00e9l\u00e9ments, avec <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-884dbebe60d53387c64a7ad24834b35c_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#110;&#92;&#103;&#101;&#113;&#115;&#108;&#97;&#110;&#116;&#32;&#49;\" title=\"Rendered by QuickLaTeX.com\" height=\"15\" width=\"42\" style=\"vertical-align: -3px;\"\/>.<\/p>\n<ol>\n<li>En comptant les parties de <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-764e1c770271f92700e1a4fbce46c668_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#69;\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"14\" style=\"vertical-align: 0px;\"\/> selon leur nombre d&rsquo;\u00e9l\u00e9ments, d\u00e9montrez que <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-25b9c4c52a81ac32256afb5da0623387_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#92;&#100;&#105;&#115;&#112;&#108;&#97;&#121;&#115;&#116;&#121;&#108;&#101;&#92;&#115;&#117;&#109;&#95;&#123;&#107;&#61;&#48;&#125;&#94;&#123;&#110;&#125;&#92;&#100;&#98;&#105;&#110;&#111;&#109;&#123;&#110;&#125;&#123;&#107;&#125;&#61;&#50;&#94;&#110;\" title=\"Rendered by QuickLaTeX.com\" height=\"50\" width=\"106\" style=\"vertical-align: -22px;\"\/>.<\/li>\n<li>On suppose <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-5d95c7fbfa884e6da02631fb028f336f_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#110;&#92;&#103;&#101;&#113;&#115;&#108;&#97;&#110;&#116;&#32;&#50;\" title=\"Rendered by QuickLaTeX.com\" height=\"15\" width=\"42\" style=\"vertical-align: -3px;\"\/> et <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-9d3fe7b4bf82a568c73c8309f25eb5b6_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#49;&#92;&#108;&#101;&#113;&#115;&#108;&#97;&#110;&#116;&#32;&#107;&#92;&#108;&#101;&#113;&#115;&#108;&#97;&#110;&#116;&#32;&#110;&#45;&#49;\" title=\"Rendered by QuickLaTeX.com\" height=\"15\" width=\"105\" style=\"vertical-align: -3px;\"\/>. D\u00e9montrez la relation de Pascal par une m\u00e9thode combinatoire : <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-2e752d8a3b551ba3c1ef2406e91d8b1b_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#92;&#100;&#98;&#105;&#110;&#111;&#109;&#123;&#110;&#125;&#123;&#107;&#125;&#61;&#92;&#100;&#98;&#105;&#110;&#111;&#109;&#123;&#110;&#45;&#49;&#125;&#123;&#107;&#45;&#49;&#125;&#43;&#92;&#100;&#98;&#105;&#110;&#111;&#109;&#123;&#110;&#45;&#49;&#125;&#123;&#107;&#125;\" title=\"Rendered by QuickLaTeX.com\" height=\"43\" width=\"211\" style=\"vertical-align: -17px;\"\/>.<\/li>\n<li>On fixe un \u00e9l\u00e9ment <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-5c53d6ebabdbcfa4e107550ea60b1b19_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#97;\" title=\"Rendered by QuickLaTeX.com\" height=\"8\" width=\"9\" style=\"vertical-align: 0px;\"\/> de <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-764e1c770271f92700e1a4fbce46c668_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#69;\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"14\" style=\"vertical-align: 0px;\"\/>. \u00c0 toute partie <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-25b206f25506e6d6f46be832f7119ffa_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#65;\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"13\" style=\"vertical-align: 0px;\"\/> de <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-764e1c770271f92700e1a4fbce46c668_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#69;\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"14\" style=\"vertical-align: 0px;\"\/>, on associe la partie <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-f9c5498bb8e0a575c37f3b121b64eaf0_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#65;&#39;\" title=\"Rendered by QuickLaTeX.com\" height=\"14\" width=\"17\" style=\"vertical-align: 0px;\"\/> obtenue en ajoutant <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-5c53d6ebabdbcfa4e107550ea60b1b19_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#97;\" title=\"Rendered by QuickLaTeX.com\" height=\"8\" width=\"9\" style=\"vertical-align: 0px;\"\/> \u00e0 <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-25b206f25506e6d6f46be832f7119ffa_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#65;\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"13\" style=\"vertical-align: 0px;\"\/> si <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-a5612b2c3d94fc2424338e22edeaaebc_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#97;&#92;&#110;&#111;&#116;&#105;&#110;&#32;&#65;\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"44\" style=\"vertical-align: -5px;\"\/>, ou en retirant <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-5c53d6ebabdbcfa4e107550ea60b1b19_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#97;\" title=\"Rendered by QuickLaTeX.com\" height=\"8\" width=\"9\" style=\"vertical-align: 0px;\"\/> de <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-25b206f25506e6d6f46be832f7119ffa_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#65;\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"13\" style=\"vertical-align: 0px;\"\/> si <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-38410ade527b16c2e6b103d588b761db_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#97;&#92;&#105;&#110;&#32;&#65;\" title=\"Rendered by QuickLaTeX.com\" height=\"14\" width=\"44\" style=\"vertical-align: -1px;\"\/>. D\u00e9duisez-en que <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-764e1c770271f92700e1a4fbce46c668_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#69;\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"14\" style=\"vertical-align: 0px;\"\/> poss\u00e8de autant de parties \u00e0 nombre pair d&rsquo;\u00e9l\u00e9ments que de parties \u00e0 nombre impair d&rsquo;\u00e9l\u00e9ments, puis que le nombre de parties \u00e0 nombre pair d&rsquo;\u00e9l\u00e9ments est <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-c0ba7fa91fa53156660e336cfcf01ddb_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#50;&#94;&#123;&#110;&#45;&#49;&#125;\" title=\"Rendered by QuickLaTeX.com\" height=\"15\" width=\"34\" style=\"vertical-align: 0px;\"\/>.<\/li>\n<\/ol>\n<h3 dir=\"ltr\">Corrig\u00e9 de l&rsquo;exercice 6<\/h3>\n<p dir=\"ltr\"><strong>1.<\/strong> On compte les parties de <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-764e1c770271f92700e1a4fbce46c668_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#69;\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"14\" style=\"vertical-align: 0px;\"\/> de deux fa\u00e7ons.<\/p>\n<ul>\n<li>Pour construire une partie, on d\u00e9cide pour chacun des <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-b170995d512c659d8668b4e42e1fef6b_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#110;\" title=\"Rendered by QuickLaTeX.com\" height=\"8\" width=\"11\" style=\"vertical-align: 0px;\"\/> \u00e9l\u00e9ments s&rsquo;il en fait partie ou non : 2 choix par \u00e9l\u00e9ment. Une partie correspond donc \u00e0 un <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-b170995d512c659d8668b4e42e1fef6b_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#110;\" title=\"Rendered by QuickLaTeX.com\" height=\"8\" width=\"11\" style=\"vertical-align: 0px;\"\/>-uplet de <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-44667b0f60b963525636649261aa0ebb_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#92;&#123;&#48;&#92;&#44;&#59;&#49;&#92;&#125;\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"45\" style=\"vertical-align: -5px;\"\/>, et il y a <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-e4249a2b3de09582eb567b98f8cd62b1_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#50;&#94;&#110;\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"17\" style=\"vertical-align: 0px;\"\/> parties.<\/li>\n<li>On peut aussi classer les parties selon leur nombre d&rsquo;\u00e9l\u00e9ments <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-3422b6bb5c160593658b7c39425d9880_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#107;\" title=\"Rendered by QuickLaTeX.com\" height=\"13\" width=\"9\" style=\"vertical-align: 0px;\"\/>, qui va de 0 \u00e0 <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-b170995d512c659d8668b4e42e1fef6b_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#110;\" title=\"Rendered by QuickLaTeX.com\" height=\"8\" width=\"11\" style=\"vertical-align: 0px;\"\/>. Ces groupes sont deux \u00e0 deux disjoints, et le groupe des parties \u00e0 <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-3422b6bb5c160593658b7c39425d9880_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#107;\" title=\"Rendered by QuickLaTeX.com\" height=\"13\" width=\"9\" style=\"vertical-align: 0px;\"\/> \u00e9l\u00e9ments en contient <img decoding=\"async\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-ef93858c24d8a2dab11e4f04ceb8f66c_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#92;&#100;&#98;&#105;&#110;&#111;&#109;&#123;&#110;&#125;&#123;&#107;&#125;\" title=\"Rendered by QuickLaTeX.com\" height=\"43\" width=\"31\" style=\"vertical-align: -17px;\"\/>.<\/li>\n<\/ul>\n<p dir=\"ltr\">D&rsquo;apr\u00e8s le principe additif, le nombre total de parties vaut aussi <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-91b64c2ae42857ab00b06c93376f295d_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#92;&#100;&#105;&#115;&#112;&#108;&#97;&#121;&#115;&#116;&#121;&#108;&#101;&#92;&#115;&#117;&#109;&#95;&#123;&#107;&#61;&#48;&#125;&#94;&#123;&#110;&#125;&#92;&#100;&#98;&#105;&#110;&#111;&#109;&#123;&#110;&#125;&#123;&#107;&#125;\" title=\"Rendered by QuickLaTeX.com\" height=\"50\" width=\"62\" style=\"vertical-align: -22px;\"\/>, d&rsquo;o\u00f9 l&rsquo;\u00e9galit\u00e9.<\/p>\n<p dir=\"ltr\"><strong>2.<\/strong> On fixe un \u00e9l\u00e9ment <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-5c53d6ebabdbcfa4e107550ea60b1b19_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#97;\" title=\"Rendered by QuickLaTeX.com\" height=\"8\" width=\"9\" style=\"vertical-align: 0px;\"\/> de <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-764e1c770271f92700e1a4fbce46c668_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#69;\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"14\" style=\"vertical-align: 0px;\"\/> et on s\u00e9pare les parties de <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-764e1c770271f92700e1a4fbce46c668_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#69;\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"14\" style=\"vertical-align: 0px;\"\/> \u00e0 <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-3422b6bb5c160593658b7c39425d9880_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#107;\" title=\"Rendered by QuickLaTeX.com\" height=\"13\" width=\"9\" style=\"vertical-align: 0px;\"\/> \u00e9l\u00e9ments en deux groupes disjoints.<\/p>\n<ul>\n<li>Celles qui contiennent <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-5c53d6ebabdbcfa4e107550ea60b1b19_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#97;\" title=\"Rendered by QuickLaTeX.com\" height=\"8\" width=\"9\" style=\"vertical-align: 0px;\"\/> : on les obtient en ajoutant \u00e0 <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-5c53d6ebabdbcfa4e107550ea60b1b19_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#97;\" title=\"Rendered by QuickLaTeX.com\" height=\"8\" width=\"9\" style=\"vertical-align: 0px;\"\/> un choix de <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-1a4c925a5ad5141d0726a09015ceadcd_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#107;&#45;&#49;\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"39\" style=\"vertical-align: 0px;\"\/> \u00e9l\u00e9ments parmi les <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-f30b71e7fcec69d119f30f67cf09c975_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#110;&#45;&#49;\" title=\"Rendered by QuickLaTeX.com\" height=\"13\" width=\"40\" style=\"vertical-align: -1px;\"\/> autres, soit <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-46380b1a497774e6f1fc076ae3d3ca37_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#92;&#100;&#98;&#105;&#110;&#111;&#109;&#123;&#110;&#45;&#49;&#125;&#123;&#107;&#45;&#49;&#125;\" title=\"Rendered by QuickLaTeX.com\" height=\"43\" width=\"61\" style=\"vertical-align: -17px;\"\/> parties.<\/li>\n<li>Celles qui ne contiennent pas <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-5c53d6ebabdbcfa4e107550ea60b1b19_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#97;\" title=\"Rendered by QuickLaTeX.com\" height=\"8\" width=\"9\" style=\"vertical-align: 0px;\"\/> : ce sont les parties \u00e0 <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-3422b6bb5c160593658b7c39425d9880_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#107;\" title=\"Rendered by QuickLaTeX.com\" height=\"13\" width=\"9\" style=\"vertical-align: 0px;\"\/> \u00e9l\u00e9ments de <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-764e1c770271f92700e1a4fbce46c668_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#69;\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"14\" style=\"vertical-align: 0px;\"\/> priv\u00e9 de <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-5c53d6ebabdbcfa4e107550ea60b1b19_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#97;\" title=\"Rendered by QuickLaTeX.com\" height=\"8\" width=\"9\" style=\"vertical-align: 0px;\"\/>, soit <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-9a07395c006d9147bd4f661c97b7392c_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#92;&#100;&#98;&#105;&#110;&#111;&#109;&#123;&#110;&#45;&#49;&#125;&#123;&#107;&#125;\" title=\"Rendered by QuickLaTeX.com\" height=\"43\" width=\"61\" style=\"vertical-align: -17px;\"\/> parties.<\/li>\n<\/ul>\n<p dir=\"ltr\">En additionnant, on obtient <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-2e752d8a3b551ba3c1ef2406e91d8b1b_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#92;&#100;&#98;&#105;&#110;&#111;&#109;&#123;&#110;&#125;&#123;&#107;&#125;&#61;&#92;&#100;&#98;&#105;&#110;&#111;&#109;&#123;&#110;&#45;&#49;&#125;&#123;&#107;&#45;&#49;&#125;&#43;&#92;&#100;&#98;&#105;&#110;&#111;&#109;&#123;&#110;&#45;&#49;&#125;&#123;&#107;&#125;\" title=\"Rendered by QuickLaTeX.com\" height=\"43\" width=\"211\" style=\"vertical-align: -17px;\"\/>. Par exemple, <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-97c7f234257e5e8c96a021fc8d46a540_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#92;&#100;&#98;&#105;&#110;&#111;&#109;&#123;&#53;&#125;&#123;&#50;&#125;&#61;&#92;&#100;&#98;&#105;&#110;&#111;&#109;&#123;&#52;&#125;&#123;&#49;&#125;&#43;&#92;&#100;&#98;&#105;&#110;&#111;&#109;&#123;&#52;&#125;&#123;&#50;&#125;&#61;&#52;&#43;&#54;&#61;&#49;&#48;\" title=\"Rendered by QuickLaTeX.com\" height=\"43\" width=\"252\" style=\"vertical-align: -17px;\"\/>.<\/p>\n<p dir=\"ltr\"><strong>3.<\/strong> La partie <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-f9c5498bb8e0a575c37f3b121b64eaf0_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#65;&#39;\" title=\"Rendered by QuickLaTeX.com\" height=\"14\" width=\"17\" style=\"vertical-align: 0px;\"\/> a exactement un \u00e9l\u00e9ment de plus ou un \u00e9l\u00e9ment de moins que <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-25b206f25506e6d6f46be832f7119ffa_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#65;\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"13\" style=\"vertical-align: 0px;\"\/> : si <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-25b206f25506e6d6f46be832f7119ffa_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#65;\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"13\" style=\"vertical-align: 0px;\"\/> a un nombre pair d&rsquo;\u00e9l\u00e9ments, <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-f9c5498bb8e0a575c37f3b121b64eaf0_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#65;&#39;\" title=\"Rendered by QuickLaTeX.com\" height=\"14\" width=\"17\" style=\"vertical-align: 0px;\"\/> en a un nombre impair, et inversement. De plus, appliquer deux fois l&rsquo;op\u00e9ration redonne <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-25b206f25506e6d6f46be832f7119ffa_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#65;\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"13\" style=\"vertical-align: 0px;\"\/>. L&rsquo;application <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-4439d8fe8bb3cdd813e4d51167f3ee1e_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#65;&#92;&#109;&#97;&#112;&#115;&#116;&#111;&#32;&#65;&#39;\" title=\"Rendered by QuickLaTeX.com\" height=\"15\" width=\"58\" style=\"vertical-align: -1px;\"\/> associe donc \u00e0 chaque partie paire une partie impaire, et chaque partie impaire provient d&rsquo;une seule partie paire : c&rsquo;est une bijection entre les deux ensembles, qui ont ainsi le m\u00eame nombre d&rsquo;\u00e9l\u00e9ments, not\u00e9 <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-3bf85f1087e9fbed3a319341134ac1a2_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#112;\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"10\" style=\"vertical-align: -4px;\"\/>.<\/p>\n<p dir=\"ltr\">Comme toute partie est paire ou impaire, <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-6032fa83d2fa1a662b3b2cb370d9d763_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#112;&#43;&#112;&#61;&#50;&#94;&#110;\" title=\"Rendered by QuickLaTeX.com\" height=\"16\" width=\"81\" style=\"vertical-align: -4px;\"\/>, donc <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-0d6c9d544849ee851402f03732a061a3_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#112;&#61;&#50;&#94;&#123;&#110;&#45;&#49;&#125;\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"68\" style=\"vertical-align: -4px;\"\/>. Pour <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-2900e2d306e715090f141af288472e7b_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#69;&#61;&#92;&#123;&#97;&#44;&#98;&#44;&#99;&#92;&#125;\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"95\" style=\"vertical-align: -5px;\"\/>, on trouve bien 4 parties paires : <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-ea416c6b3f6b305707bb14e63a7a337a_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#92;&#118;&#97;&#114;&#110;&#111;&#116;&#104;&#105;&#110;&#103;\" title=\"Rendered by QuickLaTeX.com\" height=\"11\" width=\"12\" style=\"vertical-align: 0px;\"\/>, <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-c9f3d6122b327bb4cb0c19db69a8f4d2_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#92;&#123;&#97;&#44;&#98;&#92;&#125;\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"41\" style=\"vertical-align: -5px;\"\/>, <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-9c2e4256ff4c77d5bb1ec5045cd3f65f_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#92;&#123;&#97;&#44;&#99;&#92;&#125;\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"41\" style=\"vertical-align: -5px;\"\/> et <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-0f30aa2d4381cbd779020a96cce3c094_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#92;&#123;&#98;&#44;&#99;&#92;&#125;\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"39\" style=\"vertical-align: -5px;\"\/>. L&rsquo;hypoth\u00e8se <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-884dbebe60d53387c64a7ad24834b35c_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#110;&#92;&#103;&#101;&#113;&#115;&#108;&#97;&#110;&#116;&#32;&#49;\" title=\"Rendered by QuickLaTeX.com\" height=\"15\" width=\"42\" style=\"vertical-align: -3px;\"\/> est indispensable : l&rsquo;ensemble vide n&rsquo;a qu&rsquo;une partie, <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-ea416c6b3f6b305707bb14e63a7a337a_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#92;&#118;&#97;&#114;&#110;&#111;&#116;&#104;&#105;&#110;&#103;\" title=\"Rendered by QuickLaTeX.com\" height=\"11\" width=\"12\" style=\"vertical-align: 0px;\"\/>, qui est paire, et le raisonnement suppose de pouvoir choisir un \u00e9l\u00e9ment <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-5c53d6ebabdbcfa4e107550ea60b1b19_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#97;\" title=\"Rendered by QuickLaTeX.com\" height=\"8\" width=\"9\" style=\"vertical-align: 0px;\"\/>.<\/p>\n<p dir=\"ltr\">La formule du bin\u00f4me de Newton, qui g\u00e9n\u00e9ralise ces calculs, n&rsquo;est pas au programme de sp\u00e9cialit\u00e9 de terminale. Elle est travaill\u00e9e en premi\u00e8re ann\u00e9e de pr\u00e9pa, par exemple dans nos <a href=\"https:\/\/groupe-reussite.fr\/ressources\/cours-en-ligne-exercices-corriges-denombrements-maths-sup\/\">exercices corrig\u00e9s de d\u00e9nombrement en maths sup<\/a>.<\/p>\n<h2 dir=\"ltr\">Exercice 7 : exercice type bac, d\u00e9nombrement et probabilit\u00e9s<\/h2>\n<h3 dir=\"ltr\">\u00c9nonc\u00e9 de l&rsquo;exercice 7<\/h3>\n<p dir=\"ltr\">Les probabilit\u00e9s sont donn\u00e9es sous forme de fractions irr\u00e9ductibles, puis arrondies \u00e0 <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-f44250941371f09bb8dc7aa7702aaddb_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#49;&#48;&#94;&#123;&#45;&#51;&#125;\" title=\"Rendered by QuickLaTeX.com\" height=\"16\" width=\"35\" style=\"vertical-align: -1px;\"\/> quand c&rsquo;est demand\u00e9.<\/p>\n<p dir=\"ltr\"><strong>Partie A.<\/strong> Un sac contient 10 jetons indiscernables au toucher : 6 verts et 4 rouges. On tire simultan\u00e9ment 3 jetons au hasard.<\/p>\n<ol>\n<li>Combien y a-t-il de tirages possibles ?<\/li>\n<li>Calculez la probabilit\u00e9 de l&rsquo;\u00e9v\u00e9nement <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-63ada879859a9e41fd935f035b7313bc_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#86;\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"14\" style=\"vertical-align: 0px;\"\/> : \u00ab les trois jetons sont verts \u00bb.<\/li>\n<li>Calculez la probabilit\u00e9 d&rsquo;obtenir exactement un jeton rouge.<\/li>\n<li>D\u00e9duisez de la question 2 la probabilit\u00e9 d&rsquo;obtenir au moins un jeton rouge.<\/li>\n<\/ol>\n<p dir=\"ltr\"><strong>Partie B.<\/strong> On r\u00e9p\u00e8te 5 fois l&rsquo;exp\u00e9rience de la partie A, en remettant les 3 jetons dans le sac apr\u00e8s chaque tirage. On note <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-d4ee28752517d6062a3ca0314890342d_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#88;\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"16\" style=\"vertical-align: 0px;\"\/> le nombre de tirages, parmi les 5, qui ne comportent que des jetons verts.<\/p>\n<ol>\n<li>Justifiez que <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-d4ee28752517d6062a3ca0314890342d_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#88;\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"16\" style=\"vertical-align: 0px;\"\/> suit une loi binomiale dont vous pr\u00e9ciserez les param\u00e8tres.<\/li>\n<li>Calculez <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-07b3cd93af929f8d74f9bfd4a3858eaa_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#80;&#40;&#88;&#61;&#50;&#41;\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"75\" style=\"vertical-align: -5px;\"\/>, puis donnez-en un arrondi \u00e0 <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-f44250941371f09bb8dc7aa7702aaddb_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#49;&#48;&#94;&#123;&#45;&#51;&#125;\" title=\"Rendered by QuickLaTeX.com\" height=\"16\" width=\"35\" style=\"vertical-align: -1px;\"\/>.<\/li>\n<li>Calculez la probabilit\u00e9 qu&rsquo;au moins un des 5 tirages ne comporte que des jetons verts. Donnez un arrondi \u00e0 <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-f44250941371f09bb8dc7aa7702aaddb_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#49;&#48;&#94;&#123;&#45;&#51;&#125;\" title=\"Rendered by QuickLaTeX.com\" height=\"16\" width=\"35\" style=\"vertical-align: -1px;\"\/>.<\/li>\n<li>On r\u00e9p\u00e8te maintenant l&rsquo;exp\u00e9rience <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-b170995d512c659d8668b4e42e1fef6b_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#110;\" title=\"Rendered by QuickLaTeX.com\" height=\"8\" width=\"11\" style=\"vertical-align: 0px;\"\/> fois. D\u00e9terminez le plus petit entier <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-b170995d512c659d8668b4e42e1fef6b_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#110;\" title=\"Rendered by QuickLaTeX.com\" height=\"8\" width=\"11\" style=\"vertical-align: 0px;\"\/> pour lequel la probabilit\u00e9 d&rsquo;obtenir au moins un tirage enti\u00e8rement vert d\u00e9passe 0,99.<\/li>\n<\/ol>\n<h3 dir=\"ltr\">Corrig\u00e9 de l&rsquo;exercice 7<\/h3>\n<p dir=\"ltr\"><strong>Partie A, question 1.<\/strong> Les jetons sortent ensemble, l&rsquo;ordre ne compte pas : un tirage est une partie \u00e0 3 \u00e9l\u00e9ments d&rsquo;un ensemble de 10 jetons.<\/p>\n<p dir=\"ltr\" style=\"text-align: center;\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-82c2b4c858bf54b0ccf9850452d2f0f5_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#92;&#100;&#98;&#105;&#110;&#111;&#109;&#123;&#49;&#48;&#125;&#123;&#51;&#125;&#61;&#92;&#100;&#102;&#114;&#97;&#99;&#123;&#49;&#48;&#92;&#116;&#105;&#109;&#101;&#115;&#32;&#57;&#92;&#116;&#105;&#109;&#101;&#115;&#32;&#56;&#125;&#123;&#51;&#92;&#116;&#105;&#109;&#101;&#115;&#32;&#50;&#92;&#116;&#105;&#109;&#101;&#115;&#32;&#49;&#125;&#61;&#49;&#50;&#48;\" title=\"Rendered by QuickLaTeX.com\" height=\"43\" width=\"198\" style=\"vertical-align: -17px;\"\/> tirages.<\/p>\n<p dir=\"ltr\">Comme les jetons sont indiscernables au toucher, les 120 tirages sont \u00e9quiprobables : on calcule chaque probabilit\u00e9 en divisant le nombre de tirages favorables par 120.<\/p>\n<p dir=\"ltr\"><strong>Question 2.<\/strong> Il faut choisir les 3 jetons parmi les 6 verts : <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-bf769d6576bff4c57c1f06590dfb4601_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#92;&#100;&#98;&#105;&#110;&#111;&#109;&#123;&#54;&#125;&#123;&#51;&#125;&#61;&#50;&#48;\" title=\"Rendered by QuickLaTeX.com\" height=\"43\" width=\"74\" style=\"vertical-align: -17px;\"\/> tirages favorables, donc <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-ea01009a7ff5ec1a51b632a12c0d1965_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#80;&#40;&#86;&#41;&#61;&#92;&#100;&#102;&#114;&#97;&#99;&#123;&#50;&#48;&#125;&#123;&#49;&#50;&#48;&#125;&#61;&#92;&#100;&#102;&#114;&#97;&#99;&#123;&#49;&#125;&#123;&#54;&#125;\" title=\"Rendered by QuickLaTeX.com\" height=\"36\" width=\"131\" style=\"vertical-align: -12px;\"\/>.<\/p>\n<p dir=\"ltr\"><strong>Question 3.<\/strong> On choisit 1 jeton rouge parmi 4, puis 2 jetons verts parmi 6 : <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-5d043e911fc09a9b27da4845e6487ec6_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#92;&#100;&#98;&#105;&#110;&#111;&#109;&#123;&#52;&#125;&#123;&#49;&#125;&#92;&#116;&#105;&#109;&#101;&#115;&#92;&#100;&#98;&#105;&#110;&#111;&#109;&#123;&#54;&#125;&#123;&#50;&#125;&#61;&#52;&#92;&#116;&#105;&#109;&#101;&#115;&#32;&#49;&#53;&#61;&#54;&#48;\" title=\"Rendered by QuickLaTeX.com\" height=\"43\" width=\"202\" style=\"vertical-align: -17px;\"\/> tirages favorables. La probabilit\u00e9 vaut <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-22f2d78d63cdcc0e4b05d476fca4cf6c_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#92;&#100;&#102;&#114;&#97;&#99;&#123;&#54;&#48;&#125;&#123;&#49;&#50;&#48;&#125;&#61;&#92;&#100;&#102;&#114;&#97;&#99;&#123;&#49;&#125;&#123;&#50;&#125;\" title=\"Rendered by QuickLaTeX.com\" height=\"36\" width=\"63\" style=\"vertical-align: -12px;\"\/>.<\/p>\n<p dir=\"ltr\"><strong>Question 4.<\/strong> \u00ab Au moins un rouge \u00bb est l&rsquo;\u00e9v\u00e9nement contraire de <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-63ada879859a9e41fd935f035b7313bc_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#86;\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"14\" style=\"vertical-align: 0px;\"\/> : sa probabilit\u00e9 vaut <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-51058824edd819c3b12dc01f9f283424_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#49;&#45;&#92;&#100;&#102;&#114;&#97;&#99;&#123;&#49;&#125;&#123;&#54;&#125;&#61;&#92;&#100;&#102;&#114;&#97;&#99;&#123;&#53;&#125;&#123;&#54;&#125;\" title=\"Rendered by QuickLaTeX.com\" height=\"37\" width=\"77\" style=\"vertical-align: -12px;\"\/>.<\/p>\n<p dir=\"ltr\"><strong>Partie B, question 1.<\/strong> Chaque tirage est une \u00e9preuve \u00e0 deux issues : succ\u00e8s si les 3 jetons sont verts, de probabilit\u00e9 <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-a0827db9dfc0e602467d0a9f26a221ee_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#92;&#100;&#102;&#114;&#97;&#99;&#123;&#49;&#125;&#123;&#54;&#125;\" title=\"Rendered by QuickLaTeX.com\" height=\"36\" width=\"9\" style=\"vertical-align: -12px;\"\/> d&rsquo;apr\u00e8s la partie A, \u00e9chec sinon. Les jetons \u00e9tant remis, les 5 \u00e9preuves sont identiques et ind\u00e9pendantes. <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-d4ee28752517d6062a3ca0314890342d_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#88;\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"16\" style=\"vertical-align: 0px;\"\/> compte le nombre de succ\u00e8s dans ce sch\u00e9ma de Bernoulli, donc <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-d4ee28752517d6062a3ca0314890342d_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#88;\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"16\" style=\"vertical-align: 0px;\"\/> suit la loi binomiale <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-a24118da622fdaea32001a55647b8251_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#92;&#109;&#97;&#116;&#104;&#99;&#97;&#108;&#123;&#66;&#125;&#92;&#108;&#101;&#102;&#116;&#40;&#53;&#92;&#44;&#59;&#92;&#100;&#102;&#114;&#97;&#99;&#123;&#49;&#125;&#123;&#54;&#125;&#92;&#114;&#105;&#103;&#104;&#116;&#41;\" title=\"Rendered by QuickLaTeX.com\" height=\"43\" width=\"71\" style=\"vertical-align: -17px;\"\/>.<\/p>\n<p dir=\"ltr\"><strong>Question 2.<\/strong> Le coefficient binomial compte les fa\u00e7ons de placer les 2 succ\u00e8s parmi les 5 tirages :<\/p>\n<p dir=\"ltr\" style=\"text-align: center;\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-a0aeb365f65847370fd4721da825afa2_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#80;&#40;&#88;&#61;&#50;&#41;&#61;&#92;&#100;&#98;&#105;&#110;&#111;&#109;&#123;&#53;&#125;&#123;&#50;&#125;&#92;&#108;&#101;&#102;&#116;&#40;&#92;&#100;&#102;&#114;&#97;&#99;&#123;&#49;&#125;&#123;&#54;&#125;&#92;&#114;&#105;&#103;&#104;&#116;&#41;&#94;&#50;&#92;&#108;&#101;&#102;&#116;&#40;&#92;&#100;&#102;&#114;&#97;&#99;&#123;&#53;&#125;&#123;&#54;&#125;&#92;&#114;&#105;&#103;&#104;&#116;&#41;&#94;&#51;&#61;&#49;&#48;&#92;&#116;&#105;&#109;&#101;&#115;&#92;&#100;&#102;&#114;&#97;&#99;&#123;&#49;&#125;&#123;&#51;&#54;&#125;&#92;&#116;&#105;&#109;&#101;&#115;&#92;&#100;&#102;&#114;&#97;&#99;&#123;&#49;&#50;&#53;&#125;&#123;&#50;&#49;&#54;&#125;&#61;&#92;&#100;&#102;&#114;&#97;&#99;&#123;&#54;&#50;&#53;&#125;&#123;&#51;&#92;&#44;&#56;&#56;&#56;&#125;&#92;&#97;&#112;&#112;&#114;&#111;&#120;&#32;&#48;&#123;&#44;&#125;&#49;&#54;&#49;\" title=\"Rendered by QuickLaTeX.com\" height=\"47\" width=\"500\" style=\"vertical-align: -17px;\"\/>.<\/p>\n<p dir=\"ltr\"><strong>Question 3.<\/strong> On passe par l&rsquo;\u00e9v\u00e9nement contraire, \u00ab aucun tirage enti\u00e8rement vert \u00bb :<\/p>\n<p dir=\"ltr\" style=\"text-align: center;\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-2652def071213575d59e8df68c4c99a9_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#80;&#40;&#88;&#92;&#103;&#101;&#113;&#115;&#108;&#97;&#110;&#116;&#32;&#49;&#41;&#61;&#49;&#45;&#80;&#40;&#88;&#61;&#48;&#41;&#61;&#49;&#45;&#92;&#108;&#101;&#102;&#116;&#40;&#92;&#100;&#102;&#114;&#97;&#99;&#123;&#53;&#125;&#123;&#54;&#125;&#92;&#114;&#105;&#103;&#104;&#116;&#41;&#94;&#53;&#61;&#49;&#45;&#92;&#100;&#102;&#114;&#97;&#99;&#123;&#51;&#92;&#44;&#49;&#50;&#53;&#125;&#123;&#55;&#92;&#44;&#55;&#55;&#54;&#125;&#61;&#92;&#100;&#102;&#114;&#97;&#99;&#123;&#52;&#92;&#44;&#54;&#53;&#49;&#125;&#123;&#55;&#92;&#44;&#55;&#55;&#54;&#125;&#92;&#97;&#112;&#112;&#114;&#111;&#120;&#32;&#48;&#123;&#44;&#125;&#53;&#57;&#56;\" title=\"Rendered by QuickLaTeX.com\" height=\"47\" width=\"534\" style=\"vertical-align: -17px;\"\/>.<\/p>\n<p dir=\"ltr\"><strong>Question 4.<\/strong> Avec <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-b170995d512c659d8668b4e42e1fef6b_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#110;\" title=\"Rendered by QuickLaTeX.com\" height=\"8\" width=\"11\" style=\"vertical-align: 0px;\"\/> r\u00e9p\u00e9titions, la probabilit\u00e9 cherch\u00e9e vaut <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-5549915ccba31ace0459e05fbda100f0_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#49;&#45;&#92;&#108;&#101;&#102;&#116;&#40;&#92;&#100;&#102;&#114;&#97;&#99;&#123;&#53;&#125;&#123;&#54;&#125;&#92;&#114;&#105;&#103;&#104;&#116;&#41;&#94;&#110;\" title=\"Rendered by QuickLaTeX.com\" height=\"44\" width=\"76\" style=\"vertical-align: -17px;\"\/>. On r\u00e9sout :<\/p>\n<p dir=\"ltr\" style=\"text-align: center;\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-abbda2a76494fa7f63ec24be927da1e9_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#49;&#45;&#92;&#108;&#101;&#102;&#116;&#40;&#92;&#100;&#102;&#114;&#97;&#99;&#123;&#53;&#125;&#123;&#54;&#125;&#92;&#114;&#105;&#103;&#104;&#116;&#41;&#94;&#110;&#92;&#103;&#101;&#113;&#115;&#108;&#97;&#110;&#116;&#32;&#48;&#123;&#44;&#125;&#57;&#57;&#32;&#92;&#105;&#102;&#102;&#32;&#92;&#108;&#101;&#102;&#116;&#40;&#92;&#100;&#102;&#114;&#97;&#99;&#123;&#53;&#125;&#123;&#54;&#125;&#92;&#114;&#105;&#103;&#104;&#116;&#41;&#94;&#110;&#92;&#108;&#101;&#113;&#115;&#108;&#97;&#110;&#116;&#32;&#48;&#123;&#44;&#125;&#48;&#49;&#32;&#92;&#105;&#102;&#102;&#32;&#110;&#92;&#108;&#110;&#92;&#108;&#101;&#102;&#116;&#40;&#92;&#100;&#102;&#114;&#97;&#99;&#123;&#53;&#125;&#123;&#54;&#125;&#92;&#114;&#105;&#103;&#104;&#116;&#41;&#92;&#108;&#101;&#113;&#115;&#108;&#97;&#110;&#116;&#92;&#108;&#110;&#40;&#48;&#123;&#44;&#125;&#48;&#49;&#41;&#32;&#92;&#105;&#102;&#102;&#32;&#110;&#92;&#103;&#101;&#113;&#115;&#108;&#97;&#110;&#116;&#92;&#100;&#102;&#114;&#97;&#99;&#123;&#92;&#108;&#110;&#40;&#48;&#123;&#44;&#125;&#48;&#49;&#41;&#125;&#123;&#92;&#108;&#110;&#92;&#108;&#101;&#102;&#116;&#40;&#92;&#100;&#102;&#114;&#97;&#99;&#123;&#53;&#125;&#123;&#54;&#125;&#92;&#114;&#105;&#103;&#104;&#116;&#41;&#125;\" title=\"Rendered by QuickLaTeX.com\" height=\"111\" width=\"581\" style=\"vertical-align: -41px;\"\/>.<\/p>\n<p dir=\"ltr\">Le sens de l&rsquo;in\u00e9galit\u00e9 change \u00e0 la derni\u00e8re \u00e9tape, car on divise par <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-6869796be2dc40e78c8cc9186f1f314e_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#92;&#108;&#110;&#92;&#108;&#101;&#102;&#116;&#40;&#92;&#100;&#102;&#114;&#97;&#99;&#123;&#53;&#125;&#123;&#54;&#125;&#92;&#114;&#105;&#103;&#104;&#116;&#41;\" title=\"Rendered by QuickLaTeX.com\" height=\"43\" width=\"54\" style=\"vertical-align: -17px;\"\/>, qui est n\u00e9gatif. Comme <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-dcb5d0957dbcafba4486af49f310e92f_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#92;&#100;&#102;&#114;&#97;&#99;&#123;&#92;&#108;&#110;&#40;&#48;&#123;&#44;&#125;&#48;&#49;&#41;&#125;&#123;&#92;&#108;&#110;&#92;&#108;&#101;&#102;&#116;&#40;&#92;&#100;&#102;&#114;&#97;&#99;&#123;&#53;&#125;&#123;&#54;&#125;&#92;&#114;&#105;&#103;&#104;&#116;&#41;&#125;&#92;&#97;&#112;&#112;&#114;&#111;&#120;&#32;&#50;&#53;&#123;&#44;&#125;&#50;&#54;\" title=\"Rendered by QuickLaTeX.com\" height=\"67\" width=\"126\" style=\"vertical-align: -41px;\"\/>, le plus petit entier qui convient est <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-d480b187e64ce68a81ade262cc2fe6a7_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#110;&#61;&#50;&#54;\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"52\" style=\"vertical-align: 0px;\"\/>. La calculatrice le confirme : pour <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-f7a6c57333bb4f94943537392de6f352_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#110;&#61;&#50;&#53;\" title=\"Rendered by QuickLaTeX.com\" height=\"13\" width=\"51\" style=\"vertical-align: 0px;\"\/>, on obtient environ 0,989 5, encore trop peu, et pour <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-d480b187e64ce68a81ade262cc2fe6a7_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#110;&#61;&#50;&#54;\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"52\" style=\"vertical-align: 0px;\"\/>, environ 0,991 3.<\/p>\n<div style=\"background: #FFF8EC; border-left: 6px solid #C77F0C; padding: 15px; margin: 20px 0; color: #0f2742;\"><strong>&#x1f4a1; Astuce :<\/strong> dans un sujet de bac, le d\u00e9nombrement sert rarement seul. Il appara\u00eet le plus souvent pour calculer une probabilit\u00e9 dans une situation d&rsquo;\u00e9quiprobabilit\u00e9, ou \u00e0 travers le coefficient <img decoding=\"async\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-ef93858c24d8a2dab11e4f04ceb8f66c_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#92;&#100;&#98;&#105;&#110;&#111;&#109;&#123;&#110;&#125;&#123;&#107;&#125;\" title=\"Rendered by QuickLaTeX.com\" height=\"43\" width=\"31\" style=\"vertical-align: -17px;\"\/> de la loi binomiale. Rep\u00e9rez d&rsquo;abord si le tirage est simultan\u00e9 (combinaisons) ou successif (k-uplets), puis si les r\u00e9p\u00e9titions sont ind\u00e9pendantes (loi binomiale).<\/div>\n<h2 dir=\"ltr\">QCM d\u00e9nombrement terminale : 5 questions corrig\u00e9es<\/h2>\n<h3 dir=\"ltr\">Questions du QCM<\/h3>\n<p dir=\"ltr\">Pour chaque question, une seule r\u00e9ponse est exacte.<\/p>\n<ol>\n<li>Combien de mains de 5 cartes peut-on former avec un jeu de 32 cartes ?<br \/>\na) <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-af2baef2046d80fac74cfda76482eea2_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#51;&#50;&#94;&#53;\" title=\"Rendered by QuickLaTeX.com\" height=\"15\" width=\"25\" style=\"vertical-align: 0px;\"\/> b) <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-c4d1d482e847ed3fbb853aba9fd08cc0_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#51;&#50;&#92;&#116;&#105;&#109;&#101;&#115;&#32;&#51;&#49;&#92;&#116;&#105;&#109;&#101;&#115;&#32;&#51;&#48;&#92;&#116;&#105;&#109;&#101;&#115;&#32;&#50;&#57;&#92;&#116;&#105;&#109;&#101;&#115;&#32;&#50;&#56;\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"176\" style=\"vertical-align: 0px;\"\/> c) <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-3b825a92d16a3f38911569bb0b934f1c_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#92;&#100;&#98;&#105;&#110;&#111;&#109;&#123;&#51;&#50;&#125;&#123;&#53;&#125;\" title=\"Rendered by QuickLaTeX.com\" height=\"43\" width=\"38\" style=\"vertical-align: -17px;\"\/><\/li>\n<li>Que vaut <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-2c27d0be3d932434331ae83c87db4e1e_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#92;&#100;&#98;&#105;&#110;&#111;&#109;&#123;&#49;&#48;&#125;&#123;&#56;&#125;\" title=\"Rendered by QuickLaTeX.com\" height=\"43\" width=\"38\" style=\"vertical-align: -17px;\"\/> ?<br \/>\na) 45 b) 80 c) 90<\/li>\n<li>Combien un ensemble \u00e0 6 \u00e9l\u00e9ments poss\u00e8de-t-il de parties ?<br \/>\na) 36 b) 64 c) 720<\/li>\n<li>On lance 10 fois une pi\u00e8ce. Combien de r\u00e9sultats comportent exactement 4 \u00ab pile \u00bb ?<br \/>\na) 40 b) 210 c) 5 040<\/li>\n<li>Un groupe de 12 \u00e9l\u00e8ves compte 4 filles et 8 gar\u00e7ons. Combien d&rsquo;\u00e9quipes de 4 \u00e9l\u00e8ves comportent exactement 2 filles ?<br \/>\na) <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-e0441167c3701a9d0a9d0adac207449e_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#92;&#100;&#98;&#105;&#110;&#111;&#109;&#123;&#49;&#50;&#125;&#123;&#52;&#125;\" title=\"Rendered by QuickLaTeX.com\" height=\"43\" width=\"38\" style=\"vertical-align: -17px;\"\/> b) <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-29db419194bb5fc8c0dcc6b25581193d_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#92;&#100;&#98;&#105;&#110;&#111;&#109;&#123;&#52;&#125;&#123;&#50;&#125;&#43;&#92;&#100;&#98;&#105;&#110;&#111;&#109;&#123;&#56;&#125;&#123;&#50;&#125;\" title=\"Rendered by QuickLaTeX.com\" height=\"43\" width=\"86\" style=\"vertical-align: -17px;\"\/> c) <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-2801b6463f5688c3b6dd50660d57c9f5_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#92;&#100;&#98;&#105;&#110;&#111;&#109;&#123;&#52;&#125;&#123;&#50;&#125;&#92;&#116;&#105;&#109;&#101;&#115;&#92;&#100;&#98;&#105;&#110;&#111;&#109;&#123;&#56;&#125;&#123;&#50;&#125;\" title=\"Rendered by QuickLaTeX.com\" height=\"43\" width=\"86\" style=\"vertical-align: -17px;\"\/><\/li>\n<\/ol>\n<h3 dir=\"ltr\">R\u00e9ponses comment\u00e9es du QCM<\/h3>\n<p dir=\"ltr\"><strong>1. R\u00e9ponse c).<\/strong> Une main est un ensemble de cartes : l&rsquo;ordre ne compte pas et une carte ne peut pas sortir deux fois. Il y a <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-a99bc6cb506f63a7a6a4c11deb8c5bd0_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#92;&#100;&#98;&#105;&#110;&#111;&#109;&#123;&#51;&#50;&#125;&#123;&#53;&#125;&#61;&#50;&#48;&#49;&#92;&#44;&#51;&#55;&#54;\" title=\"Rendered by QuickLaTeX.com\" height=\"43\" width=\"121\" style=\"vertical-align: -17px;\"\/> mains. La r\u00e9ponse b) compte les tirages ordonn\u00e9s, a) autorise les r\u00e9p\u00e9titions.<\/p>\n<p dir=\"ltr\"><strong>2. R\u00e9ponse a).<\/strong> Par sym\u00e9trie, <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-b4d5081674b0ea3420d2138ad8e68767_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#92;&#100;&#98;&#105;&#110;&#111;&#109;&#123;&#49;&#48;&#125;&#123;&#56;&#125;&#61;&#92;&#100;&#98;&#105;&#110;&#111;&#109;&#123;&#49;&#48;&#125;&#123;&#50;&#125;&#61;&#92;&#100;&#102;&#114;&#97;&#99;&#123;&#49;&#48;&#92;&#116;&#105;&#109;&#101;&#115;&#32;&#57;&#125;&#123;&#50;&#125;&#61;&#52;&#53;\" title=\"Rendered by QuickLaTeX.com\" height=\"43\" width=\"225\" style=\"vertical-align: -17px;\"\/>.<\/p>\n<p dir=\"ltr\"><strong>3. R\u00e9ponse b).<\/strong> Un ensemble \u00e0 <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-b170995d512c659d8668b4e42e1fef6b_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#110;\" title=\"Rendered by QuickLaTeX.com\" height=\"8\" width=\"11\" style=\"vertical-align: 0px;\"\/> \u00e9l\u00e9ments poss\u00e8de <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-e4249a2b3de09582eb567b98f8cd62b1_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#50;&#94;&#110;\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"17\" style=\"vertical-align: 0px;\"\/> parties, soit <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-4a1f6d8fc214aa06fcd4e2cb63ff3ca6_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#50;&#94;&#54;&#61;&#54;&#52;\" title=\"Rendered by QuickLaTeX.com\" height=\"15\" width=\"58\" style=\"vertical-align: 0px;\"\/> ici.<\/p>\n<p dir=\"ltr\"><strong>4. R\u00e9ponse b).<\/strong> Un r\u00e9sultat est un mot de 10 lettres P ou F, d\u00e9termin\u00e9 par les positions des 4 \u00ab pile \u00bb : <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-a3d0b49ecf28ae6dc6a477ec8faa575f_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#92;&#100;&#98;&#105;&#110;&#111;&#109;&#123;&#49;&#48;&#125;&#123;&#52;&#125;&#61;&#50;&#49;&#48;\" title=\"Rendered by QuickLaTeX.com\" height=\"43\" width=\"91\" style=\"vertical-align: -17px;\"\/>. Avec une pi\u00e8ce \u00e9quilibr\u00e9e, la probabilit\u00e9 d&rsquo;obtenir exactement 4 \u00ab pile \u00bb vaut <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-c70cd6a11ebf90b36e5fc0b9f4f8208c_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#92;&#100;&#102;&#114;&#97;&#99;&#123;&#50;&#49;&#48;&#125;&#123;&#50;&#94;&#123;&#49;&#48;&#125;&#125;&#61;&#92;&#100;&#102;&#114;&#97;&#99;&#123;&#50;&#49;&#48;&#125;&#123;&#49;&#92;&#44;&#48;&#50;&#52;&#125;&#92;&#97;&#112;&#112;&#114;&#111;&#120;&#32;&#48;&#123;&#44;&#125;&#50;&#48;&#53;\" title=\"Rendered by QuickLaTeX.com\" height=\"36\" width=\"158\" style=\"vertical-align: -12px;\"\/>. C&rsquo;est le calcul que l&rsquo;on retrouve dans le chapitre sur la <a href=\"https:\/\/groupe-reussite.fr\/ressources\/cours-en-ligne-loi-binomiale-terminale\/\">loi binomiale<\/a>.<\/p>\n<p dir=\"ltr\"><strong>5. R\u00e9ponse c).<\/strong> On choisit 2 filles parmi 4 et, pour chacun de ces choix, 2 gar\u00e7ons parmi 8 : <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-81c657b3e8ba880eefa6a71801861b9f_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#54;&#92;&#116;&#105;&#109;&#101;&#115;&#32;&#50;&#56;&#61;&#49;&#54;&#56;\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"99\" style=\"vertical-align: 0px;\"\/> \u00e9quipes. On multiplie, car les deux choix se font l&rsquo;un apr\u00e8s l&rsquo;autre. On additionnerait s&rsquo;il s&rsquo;agissait de cas qui s&rsquo;excluent.<\/p>\n<p dir=\"ltr\">Pour reprendre ces m\u00e9thodes avec un professeur et d&rsquo;autres \u00e9l\u00e8ves pendant les vacances, le <a href=\"https:\/\/groupe-reussite.fr\/stages\/toutes-matieres\/terminale-generale\/france\/toutes-periodes\/\">stage intensif de maths en terminale<\/a> de Groupe R\u00e9ussite travaille la r\u00e9daction des corrig\u00e9s en petit groupe.<\/p>\n<p dir=\"ltr\">\n\t\t<div data-elementor-type=\"section\" data-elementor-id=\"206003\" class=\"elementor elementor-206003\">\n\t\t\t\t\t<div class=\"elementor-section-wrap\">\n\t\t\t\t\t\t\t\t<section class=\"has_ae_slider elementor-section elementor-inner-section elementor-element elementor-element-46248836 elementor-section-content-bottom full_width elementor-section-full_width elementor-section-height-min-height elementor-section-height-default ae-bg-gallery-type-default\" data-id=\"46248836\" data-element_type=\"section\" data-e-type=\"section\" data-settings=\"{&quot;background_background&quot;:&quot;gradient&quot;}\">\n\t\t\t\t\t\t\t<div class=\"elementor-background-overlay\"><\/div>\n\t\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-narrow\">\n\t\t\t\t\t<div class=\"has_ae_slider elementor-column elementor-col-50 elementor-inner-column elementor-element elementor-element-56fbe2a1 ae-bg-gallery-type-default\" data-id=\"56fbe2a1\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-3d9d711c elementor-widget elementor-widget-heading\" data-id=\"3d9d711c\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">STAGE MATHS VACANCES<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-66976626 elementor-widget elementor-widget-heading\" data-id=\"66976626\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h4 class=\"elementor-heading-title elementor-size-default\">Se sentir mieux et viser haut en maths !<\/h4>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-12080dd5 elementor-align-left elementor-mobile-align-center elementor-widget elementor-widget-button\" data-id=\"12080dd5\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-button-wrapper\">\n\t\t\t\t\t<a class=\"elementor-button elementor-button-link elementor-size-md\" href=\"https:\/\/groupe-reussite.fr\/stages\/maths\/tous-niveaux\/france\/toutes-periodes\/\" target=\"_blank\" id=\"CTA_PRD_STAGE\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t\t\t\t<span class=\"elementor-button-text\">Stage de maths<\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t<div class=\"has_ae_slider elementor-column elementor-col-50 elementor-inner-column elementor-element elementor-element-382b6f23 ae-bg-gallery-type-default\" data-id=\"382b6f23\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap\">\n\t\t\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\n<p>&nbsp;<\/p>\n<h2 dir=\"ltr\">Questions fr\u00e9quentes sur le d\u00e9nombrement en terminale<\/h2>\n        <section class=\"sc_fs_faq sc_card \">\n            <div>\n\t\t\t\t<h3>Comment savoir s&#039;il faut utiliser une combinaison ou une liste ?<\/h3>                <div>\n\t\t\t\t\t                    <p>\n\t\t\t\t\t\tDemandez-vous si l'ordre compte. Si deux r\u00e9sultats qui contiennent les m\u00eames \u00e9l\u00e9ments dans un ordre diff\u00e9rent sont consid\u00e9r\u00e9s comme diff\u00e9rents (un code, un podium, des r\u00f4les distincts), vous comptez des listes. S'ils sont consid\u00e9r\u00e9s comme identiques (une main de cartes, un groupe, un tirage simultan\u00e9), vous comptez des combinaisons.                    <\/p>\n                <\/div>\n            <\/div>\n        <\/section>\n\t\t        <section class=\"sc_fs_faq sc_card \">\n            <div>\n\t\t\t\t<h3>Quelle diff\u00e9rence entre un tirage successif et un tirage simultan\u00e9 ?<\/h3>                <div>\n\t\t\t\t\t                    <p>\n\t\t\t\t\t\tDans un tirage successif sans remise, l'ordre de sortie compte : on compte des k-uplets d'\u00e9l\u00e9ments distincts, par exemple 11 x 10 x 9 = 990 tirages de 3 boules parmi 11. Dans un tirage simultan\u00e9, les boules sortent ensemble et l'ordre ne compte pas : on compte des combinaisons, soit 165 tirages. Chaque tirage simultan\u00e9 correspond \u00e0 3! = 6 tirages successifs.                    <\/p>\n                <\/div>\n            <\/div>\n        <\/section>\n\t\t        <section class=\"sc_fs_faq sc_card \">\n            <div>\n\t\t\t\t<h3>Le bin\u00f4me de Newton est-il au programme de terminale ?<\/h3>                <div>\n\t\t\t\t\t                    <p>\n\t\t\t\t\t\tNon. La section Combinatoire et d\u00e9nombrement du programme de sp\u00e9cialit\u00e9 de terminale porte sur les k-uplets, les permutations, les combinaisons, la sym\u00e9trie et la relation de Pascal. La formule du bin\u00f4me de Newton n'y figure pas : elle est \u00e9tudi\u00e9e en premi\u00e8re ann\u00e9e de pr\u00e9pa.                    <\/p>\n                <\/div>\n            <\/div>\n        <\/section>\n\t\t        <section class=\"sc_fs_faq sc_card \">\n            <div>\n\t\t\t\t<h3>Le d\u00e9nombrement peut-il tomber au bac de maths ?<\/h3>                <div>\n\t\t\t\t\t                    <p>\n\t\t\t\t\t\tOui. Combinatoire et d\u00e9nombrement est la premi\u00e8re section du programme de sp\u00e9cialit\u00e9 maths de terminale, sur lequel porte l'\u00e9preuve \u00e9crite. Dans un exercice type bac, il sert surtout d'outil pour calculer des probabilit\u00e9s : tirages simultan\u00e9s, coefficients binomiaux de la loi binomiale.                    <\/p>\n                <\/div>\n            <\/div>\n        <\/section>\n\t\t        <section class=\"sc_fs_faq sc_card \">\n            <div>\n\t\t\t\t<h3>Le nouveau programme de terminale change-t-il le chapitre de d\u00e9nombrement ?<\/h3>                <div>\n\t\t\t\t\t                    <p>\n\t\t\t\t\t\tNon. Le programme de sp\u00e9cialit\u00e9 publi\u00e9 au Bulletin officiel du 2 avril 2026, applicable \u00e0 la rentr\u00e9e 2027, reprend les m\u00eames contenus de combinatoire et d\u00e9nombrement que celui de 2019 : k-uplets, permutations, combinaisons, relation de Pascal et les deux m\u00eames d\u00e9monstrations exigibles. Les exercices de cette page restent donc valables.                    <\/p>\n                <\/div>\n            <\/div>\n        <\/section>\n\t\t\n<script type=\"application\/ld+json\">\n    {\n\t\t\"@context\": \"https:\/\/schema.org\",\n\t\t\"@type\": \"FAQPage\",\n\t\t\"mainEntity\": [\n\t\t\t\t{\n\t\t\t\t\"@type\": \"Question\",\n\t\t\t\t\"name\": \"Comment savoir s'il faut utiliser une combinaison ou une liste ?\",\n\t\t\t\t\"acceptedAnswer\": {\n\t\t\t\t\t\"@type\": \"Answer\",\n\t\t\t\t\t\"text\": \"Demandez-vous si l'ordre compte. Si deux r\u00e9sultats qui contiennent les m\u00eames \u00e9l\u00e9ments dans un ordre diff\u00e9rent sont consid\u00e9r\u00e9s comme diff\u00e9rents (un code, un podium, des r\u00f4les distincts), vous comptez des listes. S'ils sont consid\u00e9r\u00e9s comme identiques (une main de cartes, un groupe, un tirage simultan\u00e9), vous comptez des combinaisons.\"\n\t\t\t\t\t\t\t\t\t}\n\t\t\t}\n\t\t\t,\t\t\t\t{\n\t\t\t\t\"@type\": \"Question\",\n\t\t\t\t\"name\": \"Quelle diff\u00e9rence entre un tirage successif et un tirage simultan\u00e9 ?\",\n\t\t\t\t\"acceptedAnswer\": {\n\t\t\t\t\t\"@type\": \"Answer\",\n\t\t\t\t\t\"text\": \"Dans un tirage successif sans remise, l'ordre de sortie compte : on compte des k-uplets d'\u00e9l\u00e9ments distincts, par exemple 11 x 10 x 9 = 990 tirages de 3 boules parmi 11. Dans un tirage simultan\u00e9, les boules sortent ensemble et l'ordre ne compte pas : on compte des combinaisons, soit 165 tirages. Chaque tirage simultan\u00e9 correspond \u00e0 3! = 6 tirages successifs.\"\n\t\t\t\t\t\t\t\t\t}\n\t\t\t}\n\t\t\t,\t\t\t\t{\n\t\t\t\t\"@type\": \"Question\",\n\t\t\t\t\"name\": \"Le bin\u00f4me de Newton est-il au programme de terminale ?\",\n\t\t\t\t\"acceptedAnswer\": {\n\t\t\t\t\t\"@type\": \"Answer\",\n\t\t\t\t\t\"text\": \"Non. La section Combinatoire et d\u00e9nombrement du programme de sp\u00e9cialit\u00e9 de terminale porte sur les k-uplets, les permutations, les combinaisons, la sym\u00e9trie et la relation de Pascal. La formule du bin\u00f4me de Newton n'y figure pas : elle est \u00e9tudi\u00e9e en premi\u00e8re ann\u00e9e de pr\u00e9pa.\"\n\t\t\t\t\t\t\t\t\t}\n\t\t\t}\n\t\t\t,\t\t\t\t{\n\t\t\t\t\"@type\": \"Question\",\n\t\t\t\t\"name\": \"Le d\u00e9nombrement peut-il tomber au bac de maths ?\",\n\t\t\t\t\"acceptedAnswer\": {\n\t\t\t\t\t\"@type\": \"Answer\",\n\t\t\t\t\t\"text\": \"Oui. Combinatoire et d\u00e9nombrement est la premi\u00e8re section du programme de sp\u00e9cialit\u00e9 maths de terminale, sur lequel porte l'\u00e9preuve \u00e9crite. Dans un exercice type bac, il sert surtout d'outil pour calculer des probabilit\u00e9s : tirages simultan\u00e9s, coefficients binomiaux de la loi binomiale.\"\n\t\t\t\t\t\t\t\t\t}\n\t\t\t}\n\t\t\t,\t\t\t\t{\n\t\t\t\t\"@type\": \"Question\",\n\t\t\t\t\"name\": \"Le nouveau programme de terminale change-t-il le chapitre de d\u00e9nombrement ?\",\n\t\t\t\t\"acceptedAnswer\": {\n\t\t\t\t\t\"@type\": \"Answer\",\n\t\t\t\t\t\"text\": \"Non. Le programme de sp\u00e9cialit\u00e9 publi\u00e9 au Bulletin officiel du 2 avril 2026, applicable \u00e0 la rentr\u00e9e 2027, reprend les m\u00eames contenus de combinatoire et d\u00e9nombrement que celui de 2019 : k-uplets, permutations, combinaisons, relation de Pascal et les deux m\u00eames d\u00e9monstrations exigibles. Les exercices de cette page restent donc valables.\"\n\t\t\t\t\t\t\t\t\t}\n\t\t\t}\n\t\t\t\t    ]\n}\n<\/script>\n\n<h2 dir=\"ltr\">Sources<\/h2>\n<ul>\n<li>Minist\u00e8re de l&rsquo;\u00c9ducation nationale, <a href=\"https:\/\/eduscol.education.fr\/document\/24568\/download\" target=\"_blank\" rel=\"noopener\">Programme de sp\u00e9cialit\u00e9 de math\u00e9matiques de terminale g\u00e9n\u00e9rale<\/a>, annexe de l&rsquo;arr\u00eat\u00e9 du 19 juillet 2019, Bulletin officiel sp\u00e9cial n\u00b0 8 du 25 juillet 2019.<\/li>\n<li>Minist\u00e8re de l&rsquo;\u00c9ducation nationale, <a href=\"https:\/\/www.education.gouv.fr\/bo\/2026\/Hebdo4\/MENE2622642N\" target=\"_blank\" rel=\"noopener\">\u00c9preuve terminale de l&rsquo;enseignement de sp\u00e9cialit\u00e9 math\u00e9matiques<\/a>, note de service du 11 septembre 2026, Bulletin officiel sp\u00e9cial n\u00b0 4 du 17 septembre 2026.<\/li>\n<li>Minist\u00e8re de l&rsquo;\u00c9ducation nationale, <a href=\"https:\/\/www.education.gouv.fr\/bo\/2026\/Hebdo14\/MENE2602919A\" target=\"_blank\" rel=\"noopener\">Programme de l&rsquo;enseignement de sp\u00e9cialit\u00e9 de math\u00e9matiques de la classe terminale de la voie g\u00e9n\u00e9rale<\/a>, annexe de l&rsquo;arr\u00eat\u00e9 du 26 f\u00e9vrier 2026, Bulletin officiel n\u00b0 14 du 2 avril 2026, applicable \u00e0 la rentr\u00e9e 2027.<\/li>\n<\/ul>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/section>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>Exercices de d\u00e9nombrement en terminale : corrig\u00e9s, type bac et QCM Par Seda Biber, le 27\/10\/2026 Pour r\u00e9ussir un exercice de d\u00e9nombrement en terminale, commencez par identifier ce que vous comptez en vous posant deux questions : l&rsquo;ordre des \u00e9l\u00e9ments compte-t-il, et un m\u00eame \u00e9l\u00e9ment peut-il appara\u00eetre plusieurs fois ? Si l&rsquo;ordre compte et que [&hellip;]<\/p>\n","protected":false},"author":6,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"ocean_post_layout":"full-screen","ocean_both_sidebars_style":"","ocean_both_sidebars_content_width":0,"ocean_both_sidebars_sidebars_width":0,"ocean_sidebar":"ressource","ocean_second_sidebar":"0","ocean_disable_margins":"enable","ocean_add_body_class":"","ocean_shortcode_before_top_bar":"","ocean_shortcode_after_top_bar":"","ocean_shortcode_before_header":"","ocean_shortcode_after_header":"","ocean_has_shortcode":"","ocean_shortcode_after_title":"","ocean_shortcode_before_footer_widgets":"","ocean_shortcode_after_footer_widgets":"","ocean_shortcode_before_footer_bottom":"","ocean_shortcode_after_footer_bottom":"","ocean_display_top_bar":"default","ocean_display_header":"default","ocean_header_style":"","ocean_center_header_left_menu":"0","ocean_custom_header_template":"0","ocean_custom_logo":0,"ocean_custom_retina_logo":0,"ocean_custom_logo_max_width":0,"ocean_custom_logo_tablet_max_width":0,"ocean_custom_logo_mobile_max_width":0,"ocean_custom_logo_max_height":0,"ocean_custom_logo_tablet_max_height":0,"ocean_custom_logo_mobile_max_height":0,"ocean_header_custom_menu":"0","ocean_menu_typo_font_family":"0","ocean_menu_typo_font_subset":"","ocean_menu_typo_font_size":0,"ocean_menu_typo_font_size_tablet":0,"ocean_menu_typo_font_size_mobile":0,"ocean_menu_typo_font_size_unit":"px","ocean_menu_typo_font_weight":"","ocean_menu_typo_font_weight_tablet":"","ocean_menu_typo_font_weight_mobile":"","ocean_menu_typo_transform":"","ocean_menu_typo_transform_tablet":"","ocean_menu_typo_transform_mobile":"","ocean_menu_typo_line_height":0,"ocean_menu_typo_line_height_tablet":0,"ocean_menu_typo_line_height_mobile":0,"ocean_menu_typo_line_height_unit":"","ocean_menu_typo_spacing":0,"ocean_menu_typo_spacing_tablet":0,"ocean_menu_typo_spacing_mobile":0,"ocean_menu_typo_spacing_unit":"","ocean_menu_link_color":"","ocean_menu_link_color_hover":"","ocean_menu_link_color_active":"","ocean_menu_link_background":"","ocean_menu_link_hover_background":"","ocean_menu_link_active_background":"","ocean_menu_social_links_bg":"","ocean_menu_social_hover_links_bg":"","ocean_menu_social_links_color":"","ocean_menu_social_hover_links_color":"","ocean_disable_title":"on","ocean_disable_heading":"on","ocean_post_title":"","ocean_post_subheading":"","ocean_post_title_style":"","ocean_post_title_background_color":"","ocean_post_title_background":0,"ocean_post_title_bg_image_position":"","ocean_post_title_bg_image_attachment":"","ocean_post_title_bg_image_repeat":"","ocean_post_title_bg_image_size":"","ocean_post_title_height":0,"ocean_post_title_bg_overlay":0.5,"ocean_post_title_bg_overlay_color":"","ocean_disable_breadcrumbs":"on","ocean_breadcrumbs_color":"","ocean_breadcrumbs_separator_color":"","ocean_breadcrumbs_links_color":"","ocean_breadcrumbs_links_hover_color":"","ocean_display_footer_widgets":"default","ocean_display_footer_bottom":"default","ocean_custom_footer_template":"0","footnotes":""},"class_list":["post-71904","page","type-page","status-publish","entry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.1 - 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