{"id":2713,"date":"2022-03-02T15:10:50","date_gmt":"2022-03-02T14:10:50","guid":{"rendered":"http:\/\/lycee-paul-langevin.ac-reunion.fr\/?p=2713"},"modified":"2022-03-02T15:22:05","modified_gmt":"2022-03-02T14:22:05","slug":"enigme-de-la-semaine-n5-du-28-fevrier-au-7-mars","status":"publish","type":"post","link":"https:\/\/etab.ac-reunion.fr\/lyc-paul-langevin\/enigme-de-la-semaine-n5-du-28-fevrier-au-7-mars\/","title":{"rendered":"Enigme de la semaine N\u00b05: du 28 F\u00e9vrier au 7 Mars"},"content":{"rendered":"<p>.<a href=\"https:\/\/etab.ac-reunion.fr\/lyc-paul-langevin\/wp-content\/uploads\/sites\/140\/2022\/03\/Semaine-5-du-28-fev-au-7-Mars.pdf\">Semaine 5 du 28 fev au 7 Mars: Cliquer ici pour l&rsquo;affiche.<\/a><\/p>\n<p style=\"text-align: center\"><a href=\"https:\/\/etab.ac-reunion.fr\/lyc-paul-langevin\/wp-content\/uploads\/sites\/140\/2022\/03\/enigme-5.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-2715 aligncenter\" src=\"https:\/\/etab.ac-reunion.fr\/lyc-paul-langevin\/wp-content\/uploads\/sites\/140\/2022\/03\/enigme-5.jpg\" alt=\"\" width=\"1090\" height=\"829\" srcset=\"https:\/\/etab.ac-reunion.fr\/lyc-paul-langevin\/wp-content\/uploads\/sites\/140\/2022\/03\/enigme-5.jpg 1090w, https:\/\/etab.ac-reunion.fr\/lyc-paul-langevin\/wp-content\/uploads\/sites\/140\/2022\/03\/enigme-5-300x228.jpg 300w, https:\/\/etab.ac-reunion.fr\/lyc-paul-langevin\/wp-content\/uploads\/sites\/140\/2022\/03\/enigme-5-1024x779.jpg 1024w, https:\/\/etab.ac-reunion.fr\/lyc-paul-langevin\/wp-content\/uploads\/sites\/140\/2022\/03\/enigme-5-150x114.jpg 150w\" sizes=\"auto, (max-width: 1090px) 100vw, 1090px\" \/><\/a><\/p>\n<p>Pour cette semaine, Mardi-gras est est sous les projecteurs: Manger des cr\u00eapes oui, mais sainement c&rsquo;est encore mieux! Mais comme trop souvent, la qualit\u00e9 a un prix, et celui de cette cr\u00eape s&rsquo;envole avec des ingr\u00e9dients de cette qualit\u00e9 ! La farine de coco, le lait d&rsquo;amande&#8230;tr\u00e8s bien, tr\u00e8s trouvable&#8230;Pour les oeufs d&rsquo;autruche, c&rsquo;est un peu plus compliqu\u00e9.<a href=\"https:\/\/etab.ac-reunion.fr\/lyc-paul-langevin\/wp-content\/uploads\/sites\/140\/2022\/03\/Autruche-et-ses-oeufs.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-2716\" src=\"https:\/\/etab.ac-reunion.fr\/lyc-paul-langevin\/wp-content\/uploads\/sites\/140\/2022\/03\/Autruche-et-ses-oeufs.jpg\" alt=\"\" width=\"499\" height=\"424\" srcset=\"https:\/\/etab.ac-reunion.fr\/lyc-paul-langevin\/wp-content\/uploads\/sites\/140\/2022\/03\/Autruche-et-ses-oeufs.jpg 499w, https:\/\/etab.ac-reunion.fr\/lyc-paul-langevin\/wp-content\/uploads\/sites\/140\/2022\/03\/Autruche-et-ses-oeufs-300x255.jpg 300w, https:\/\/etab.ac-reunion.fr\/lyc-paul-langevin\/wp-content\/uploads\/sites\/140\/2022\/03\/Autruche-et-ses-oeufs-150x127.jpg 150w\" sizes=\"auto, (max-width: 499px) 100vw, 499px\" \/><\/a><\/p>\n<p>La partie A est plut\u00f4t une t\u00e2che complexe. Il s&rsquo;agit d&rsquo;un probl\u00e8me plut\u00f4t \u00ab\u00a0r\u00e9aliste\u00a0\u00bb, faisant intervenir la <strong>proportionnalit\u00e9<\/strong> et la notion de <strong>co\u00fbt de revient<\/strong>. On consid\u00e8re que les seules d\u00e9penses sont celles li\u00e9es \u00e0 l&rsquo;achat des ingr\u00e9dients ( dans un monde id\u00e9al o\u00f9 l&rsquo;\u00e9lectricit\u00e9 serait gratuite) et que le mat\u00e9riel n\u00e9cessaire \u00e0 la fabrication est \u00e0 disposition.<\/p>\n<p>La partie B, un peu plus abstraite, peut \u00eatre r\u00e9solue en utilisant une <strong>mise en \u00e9quation<\/strong> bien choisie.<\/p>\n<p>Situation bien \u00e9videmment fictive, car cette vente de cr\u00eapes n&rsquo;a pas \u00e9t\u00e9 r\u00e9alis\u00e9e&#8230;mais l&rsquo;id\u00e9e est lanc\u00e9e&#8230;pour l&rsquo;ann\u00e9e prochaine!<\/p>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>.Semaine 5 du 28 fev au 7 Mars: Cliquer ici pour l&rsquo;affiche. Pour cette semaine, Mardi-gras est est sous les projecteurs: Manger des cr\u00eapes oui, mais sainement c&rsquo;est encore mieux! Mais comme trop souvent, la qualit\u00e9 a un prix, et celui de cette cr\u00eape s&rsquo;envole avec des ingr\u00e9dients de cette\u2026<\/p>\n<p class=\"continue-reading-button\"> <a class=\"continue-reading-link\" href=\"https:\/\/etab.ac-reunion.fr\/lyc-paul-langevin\/enigme-de-la-semaine-n5-du-28-fevrier-au-7-mars\/\">Lire la suite&#8230;<i class=\"crycon-right-dir\"><\/i><\/a><\/p>\n","protected":false},"author":10985,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[105,94,93,1],"tags":[],"class_list":["post-2713","post","type-post","status-publish","format-standard","hentry","category-lenigme-du-mois","category-le-labo-de-math","category-maths-sciences","category-non-classe"],"_links":{"self":[{"href":"https:\/\/etab.ac-reunion.fr\/lyc-paul-langevin\/wp-json\/wp\/v2\/posts\/2713","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/etab.ac-reunion.fr\/lyc-paul-langevin\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/etab.ac-reunion.fr\/lyc-paul-langevin\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/etab.ac-reunion.fr\/lyc-paul-langevin\/wp-json\/wp\/v2\/users\/10985"}],"replies":[{"embeddable":true,"href":"https:\/\/etab.ac-reunion.fr\/lyc-paul-langevin\/wp-json\/wp\/v2\/comments?post=2713"}],"version-history":[{"count":1,"href":"https:\/\/etab.ac-reunion.fr\/lyc-paul-langevin\/wp-json\/wp\/v2\/posts\/2713\/revisions"}],"predecessor-version":[{"id":2717,"href":"https:\/\/etab.ac-reunion.fr\/lyc-paul-langevin\/wp-json\/wp\/v2\/posts\/2713\/revisions\/2717"}],"wp:attachment":[{"href":"https:\/\/etab.ac-reunion.fr\/lyc-paul-langevin\/wp-json\/wp\/v2\/media?parent=2713"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/etab.ac-reunion.fr\/lyc-paul-langevin\/wp-json\/wp\/v2\/categories?post=2713"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/etab.ac-reunion.fr\/lyc-paul-langevin\/wp-json\/wp\/v2\/tags?post=2713"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}