{"id":929,"date":"2016-03-13T14:39:22","date_gmt":"2016-03-13T13:39:22","guid":{"rendered":"http:\/\/blogacabdx.ac-bordeaux.fr\/semaine-des-maths\/?p=929"},"modified":"2016-11-08T14:01:34","modified_gmt":"2016-11-08T13:01:34","slug":"enigmes-du-17-mars-2016","status":"publish","type":"post","link":"https:\/\/ent2d.ac-bordeaux.fr\/disciplines\/semaine-des-maths\/2016\/03\/13\/enigmes-du-17-mars-2016\/","title":{"rendered":"\u00c9nigmes du 17 mars 2016"},"content":{"rendered":"<h3><strong>Niveau 6\u00e8me et 5\u00e8me<\/strong><\/h3>\n<p>Des amis essayent d&#8217;\u00e9valuer le r\u00e9sultat d&#8217;un lancer de javelot. Anna propose 35m, Bernard dit qu&#8217;il mesure 29m, Christophe pense qu&#8217;il mesure 28m, Daniel dit 33m et Etienne 30m.<\/p>\n<p>Une seule personne a bien devin\u00e9. Un des amis s&#8217;est tromp\u00e9 de 1m, une autre de 2m, un autre de 3m et enfin de 5m.<\/p>\n<p>Question : Qui a bien devin\u00e9?<\/p>\n<p>&nbsp;<\/p>\n<h3><strong><em><a href=\"https:\/\/ent2d.ac-bordeaux.fr\/disciplines\/semaine-des-maths\/wp-content\/uploads\/sites\/17\/2016\/03\/cyclisme.jpg\" rel=\"attachment wp-att-931\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-931 alignright\" src=\"https:\/\/ent2d.ac-bordeaux.fr\/disciplines\/semaine-des-maths\/wp-content\/uploads\/sites\/17\/2016\/03\/cyclisme.jpg\" alt=\"cyclisme\" width=\"251\" height=\"167\" \/><\/a><\/em>Niveau 4\u00e8me \u00e0 Terminale<\/strong><\/h3>\n<p>Deux amis d\u00e9cident de faire une course \u00e0 v\u00e9lo. Ils partent ensemble.<\/p>\n<ul>\n<li>Albert qui veut absolument gagner, p\u00e9dale pendant la premi\u00e8re moiti\u00e9 du trajet \u00e0 20 km\/h puis, fatigu\u00e9, il parcourt l&#8217;autre moiti\u00e9 \u00e0 10 km\/h.<\/li>\n<li>Bob lui p\u00e9dale r\u00e9guli\u00e8rement \u00e0 15 km\/h sur tout le trajet.<\/li>\n<\/ul>\n<p>Arrivent il en m\u00eame temps ? Sinon, qui gagne la course et avec combien de temps d&#8217;avance ?<\/p>\n<h4 align=\"JUSTIFY\"><\/h4>\n<p align=\"JUSTIFY\"><span style=\"color: #ff0000\"><em>Vous pouvez apporter vos r\u00e9ponses sur <span style=\"color: #0000ff\"><a style=\"color: #0000ff\" href=\"https:\/\/www.facebook.com\/SemaineDesMathsAcBordeaux\/\" target=\"_blank\">notre page Facebook<\/a><\/span> ou sur <span style=\"color: #0000ff\"><a style=\"color: #0000ff\" href=\"https:\/\/twitter.com\/semainemathsbdx\">Twitter<\/a><\/span>.<\/em><\/span><\/p>\n<p align=\"JUSTIFY\"><span style=\"color: #ff0000\"><em>Les corrig\u00e9s sont ici: <a href=\"https:\/\/ent2d.ac-bordeaux.fr\/disciplines\/semaine-des-maths\/wp-content\/uploads\/sites\/17\/2016\/03\/Corrig\u00e9s-du-17-mars-2016.pdf\" rel=\"\">Corrig\u00e9s du 17 mars 2016<\/a><br \/>\n<\/em><\/span><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Niveau 6\u00e8me et 5\u00e8me Des amis essayent d&#8217;\u00e9valuer le r\u00e9sultat d&#8217;un lancer de javelot. Anna propose 35m, Bernard dit qu&#8217;il mesure 29m, Christophe pense qu&#8217;il mesure 28m, Daniel dit 33m et Etienne 30m. Une seule personne a bien devin\u00e9. Un des amis s&#8217;est tromp\u00e9 de 1m, une autre de 2m, un autre de 3m et &hellip; <\/p>\n<p><a class=\"more-link btn\" href=\"https:\/\/ent2d.ac-bordeaux.fr\/disciplines\/semaine-des-maths\/2016\/03\/13\/enigmes-du-17-mars-2016\/\">Lire la suite<\/a><\/p>\n","protected":false},"author":5,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[20,9,21],"tags":[],"class_list":["post-929","post","type-post","status-publish","format-standard","hentry","category-annee-2016","category-enigmes","category-maths-et-sport","nodate","item-wrap"],"_links":{"self":[{"href":"https:\/\/ent2d.ac-bordeaux.fr\/disciplines\/semaine-des-maths\/wp-json\/wp\/v2\/posts\/929","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/ent2d.ac-bordeaux.fr\/disciplines\/semaine-des-maths\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/ent2d.ac-bordeaux.fr\/disciplines\/semaine-des-maths\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/ent2d.ac-bordeaux.fr\/disciplines\/semaine-des-maths\/wp-json\/wp\/v2\/users\/5"}],"replies":[{"embeddable":true,"href":"https:\/\/ent2d.ac-bordeaux.fr\/disciplines\/semaine-des-maths\/wp-json\/wp\/v2\/comments?post=929"}],"version-history":[{"count":1,"href":"https:\/\/ent2d.ac-bordeaux.fr\/disciplines\/semaine-des-maths\/wp-json\/wp\/v2\/posts\/929\/revisions"}],"predecessor-version":[{"id":1225,"href":"https:\/\/ent2d.ac-bordeaux.fr\/disciplines\/semaine-des-maths\/wp-json\/wp\/v2\/posts\/929\/revisions\/1225"}],"wp:attachment":[{"href":"https:\/\/ent2d.ac-bordeaux.fr\/disciplines\/semaine-des-maths\/wp-json\/wp\/v2\/media?parent=929"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/ent2d.ac-bordeaux.fr\/disciplines\/semaine-des-maths\/wp-json\/wp\/v2\/categories?post=929"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/ent2d.ac-bordeaux.fr\/disciplines\/semaine-des-maths\/wp-json\/wp\/v2\/tags?post=929"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}