{"id":6779,"date":"2024-02-28T13:31:38","date_gmt":"2024-02-28T12:31:38","guid":{"rendered":"https:\/\/ent2d.ac-bordeaux.fr\/disciplines\/semaine-des-maths\/?p=6779"},"modified":"2024-02-28T13:31:39","modified_gmt":"2024-02-28T12:31:39","slug":"les-enigmes-maths-du-monde","status":"publish","type":"post","link":"https:\/\/ent2d.ac-bordeaux.fr\/disciplines\/semaine-des-maths\/2024\/02\/28\/les-enigmes-maths-du-monde\/","title":{"rendered":"Les \u00e9nigmes maths du \u00ab Monde \u00bb"},"content":{"rendered":"<div class=\"wp-block-image\">\n<figure class=\"alignright size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"300\" height=\"200\" src=\"https:\/\/ent2d.ac-bordeaux.fr\/disciplines\/semaine-des-maths\/wp-content\/uploads\/sites\/17\/2024\/02\/167edfd_1707922503333-image.png\" alt=\"\" class=\"wp-image-6780\" \/><\/figure>\n<\/div>\n\n\n<p>Apr\u00e8s le d\u00e9c\u00e8s de Gilles Cohen, qui pendant vingt-six ans proposa aux lecteurs du <em>Monde <\/em>son \u00ab\u00a0Affaire de logique\u00a0\u00bb hebdomadaire, Micka\u00ebl Launay a accept\u00e9 de prendre la rel\u00e8ve et d\u2019offrir, chaque semaine, une \u00e9nigme math\u00e9matique. Il le fera \u00e0 sa mani\u00e8re\u00a0: joyeuse, ludique, d\u00e9cal\u00e9e.<\/p>\n\n\n\n<p><strong>La premi\u00e8re \u00e9nigme : la calculatrice<\/strong><\/p>\n\n\n\n<p><em>Une vieille calculatrice ne peut plus effectuer que les quatre op\u00e9rations suivantes\u00a0: +2003, -2003, \u00d72003 et \u00f72003. En l\u2019allumant, la calculatrice affiche 0. En combien d\u2019op\u00e9rations au minimum peut-on lui faire afficher 2004\u00a0?<\/em><\/p>\n\n\n\n<p><em><a href=\"https:\/\/www.lemonde.fr\/les-enigmes-maths-du-monde\/\">Toutes les \u00e9nigmes <\/a><\/em><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Apr\u00e8s le d\u00e9c\u00e8s de Gilles Cohen, qui pendant vingt-six ans proposa aux lecteurs du Monde son \u00ab\u00a0Affaire de logique\u00a0\u00bb hebdomadaire, Micka\u00ebl Launay a accept\u00e9 de prendre la rel\u00e8ve et d\u2019offrir, chaque semaine, une \u00e9nigme math\u00e9matique. Il le fera \u00e0 sa mani\u00e8re\u00a0: joyeuse, ludique, d\u00e9cal\u00e9e. La premi\u00e8re \u00e9nigme : la calculatrice Une vieille calculatrice ne peut &hellip; <\/p>\n<p><a class=\"more-link btn\" href=\"https:\/\/ent2d.ac-bordeaux.fr\/disciplines\/semaine-des-maths\/2024\/02\/28\/les-enigmes-maths-du-monde\/\">Lire la suite<\/a><\/p>\n","protected":false},"author":895,"featured_media":6780,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[3,76,9,14],"tags":[],"class_list":["post-6779","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-a-la-une","category-annee-2024","category-enigmes","category-ressources","nodate","item-wrap"],"_links":{"self":[{"href":"https:\/\/ent2d.ac-bordeaux.fr\/disciplines\/semaine-des-maths\/wp-json\/wp\/v2\/posts\/6779","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\/895"}],"replies":[{"embeddable":true,"href":"https:\/\/ent2d.ac-bordeaux.fr\/disciplines\/semaine-des-maths\/wp-json\/wp\/v2\/comments?post=6779"}],"version-history":[{"count":1,"href":"https:\/\/ent2d.ac-bordeaux.fr\/disciplines\/semaine-des-maths\/wp-json\/wp\/v2\/posts\/6779\/revisions"}],"predecessor-version":[{"id":6781,"href":"https:\/\/ent2d.ac-bordeaux.fr\/disciplines\/semaine-des-maths\/wp-json\/wp\/v2\/posts\/6779\/revisions\/6781"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/ent2d.ac-bordeaux.fr\/disciplines\/semaine-des-maths\/wp-json\/wp\/v2\/media\/6780"}],"wp:attachment":[{"href":"https:\/\/ent2d.ac-bordeaux.fr\/disciplines\/semaine-des-maths\/wp-json\/wp\/v2\/media?parent=6779"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/ent2d.ac-bordeaux.fr\/disciplines\/semaine-des-maths\/wp-json\/wp\/v2\/categories?post=6779"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/ent2d.ac-bordeaux.fr\/disciplines\/semaine-des-maths\/wp-json\/wp\/v2\/tags?post=6779"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}