{"id":23437,"date":"2026-08-05T14:43:13","date_gmt":"2026-08-05T14:43:13","guid":{"rendered":"https:\/\/ideerepas.milaf.ma\/?p=23437"},"modified":"2026-08-05T14:43:13","modified_gmt":"2026-08-05T14:43:13","slug":"defi-des-allumettes-pouvez-vous-obtenir-un-nombre-inferieur-a-915-en-ne-deplacant-quune-seule-allumette","status":"publish","type":"post","link":"https:\/\/ideerepas.milaf.ma\/?p=23437","title":{"rendered":"D\u00e9fi des allumettes : pouvez-vous obtenir un nombre inf\u00e9rieur \u00e0 915 en ne d\u00e9pla\u00e7ant qu\u2019une seule allumette ?"},"content":{"rendered":"<p>Les \u00e9nigmes avec des allumettes sont un excellent moyen de stimuler la logique, l\u2019observation et la cr\u00e9ativit\u00e9. \u00c0 premi\u00e8re vue, ce d\u00e9fi semble tr\u00e8s simple : le nombre affich\u00e9 est 915, et il faut obtenir un nombre inf\u00e9rieur \u00e0 915 en ne d\u00e9pla\u00e7ant qu\u2019une seule allumette.<\/p>\n<div class=\"google-anno-skip google-anno-sc\" tabindex=\"0\" role=\"link\" aria-label=\"Allumettes\" data-google-vignette=\"false\" data-google-interstitial=\"false\">Allumettes<\/div>\n<p>Beaucoup de personnes essaient de modifier le chiffre 1, mais ce n\u2019est pas la meilleure piste. La cl\u00e9 est d\u2019observer attentivement la forme des chiffres et d\u2019imaginer ce qu\u2019ils deviennent lorsqu\u2019une seule\u00a0\u00a0<span class=\"google-anno-t\">allumette<\/span>\u00a0change de place.<\/p>\n<p>Prenez quelques instants avant de regarder la r\u00e9ponse\u2026 Avez-vous trouv\u00e9 ?<\/p>\n<p>Solution :<\/p>\n<div class=\"google-auto-placed ap_container\"><ins class=\"adsbygoogle adsbygoogle-noablate\" data-ad-format=\"auto\" data-ad-client=\"ca-pub-5148993367352938\" data-adsbygoogle-status=\"done\" data-ad-status=\"unfill-optimized\"><\/p>\n<div id=\"aswift_4_host\">\n<div class=\"google-aiuf\" data-google-ad-efd=\"true\">\n<div class=\"goog-rentries\">\n<div><span tabindex=\"0\" role=\"heading\" aria-label=\"Voici des th\u00e8mes associ\u00e9s \u00e0 l'article qui pourraient vous int\u00e9resser\" aria-level=\"2\">Voir plus<\/span><\/div>\n<div class=\"google-anno-skip goog-rentry\" tabindex=\"0\" role=\"link\" aria-label=\"M\u00e9t\u00e9o\" data-google-vignette=\"false\" data-google-interstitial=\"false\"><span title=\"M\u00e9t\u00e9o\">M\u00e9t\u00e9o<\/span><\/div>\n<div class=\"google-anno-skip goog-rentry\" tabindex=\"0\" role=\"link\" aria-label=\"Randonn\u00e9es et camping\" data-google-vignette=\"false\" data-google-interstitial=\"false\"><span title=\"Randonn\u00e9es et camping\">Randonn\u00e9es et camping<\/span><\/div>\n<div class=\"google-anno-skip goog-rentry\" tabindex=\"0\" role=\"link\" aria-label=\"Cartes de v\u0153ux\" data-google-vignette=\"false\" data-google-interstitial=\"false\"><span title=\"Cartes de v\u0153ux\">Cartes de v\u0153ux<\/span><\/div>\n<div><\/div>\n<\/div>\n<\/div>\n<\/div>\n<p><\/ins><\/div>\n<p>D\u00e9placez l\u2019\u00a0<span class=\"google-anno-t\">allumette<\/span>\u00a0verticale situ\u00e9e en bas \u00e0 droite du chiffre 9 et placez-la sur le c\u00f4t\u00e9 sup\u00e9rieur droit du chiffre 5.<\/p>\n<div class=\"google-anno-skip google-anno-sc\" tabindex=\"0\" role=\"link\" aria-label=\"Randonn\u00e9es et camping\" data-google-vignette=\"false\" data-google-interstitial=\"false\">Randonn\u00e9es et camping<\/div>\n<ul>\n<li>Le 9 devient alors un 5.<\/li>\n<li>Le 5 devient un 9.<\/li>\n<\/ul>\n<p>Le nombre obtenu est donc :<\/p>\n<p>519<\/p>\n<p>Et 519 est bien inf\u00e9rieur \u00e0 915.<\/p>\n<div class=\"google-auto-placed ap_container\"><ins class=\"adsbygoogle adsbygoogle-noablate\" data-ad-format=\"auto\" data-ad-client=\"ca-pub-5148993367352938\" data-adsbygoogle-status=\"done\" data-ad-status=\"unfilled\"><\/p>\n<div id=\"aswift_5_host\"><\/div>\n<p><\/ins><\/div>\n<p>Bravo si vous avez trouv\u00e9 ! Ces casse-t\u00eates montrent qu\u2019il suffit parfois de changer un seul d\u00e9tail pour obtenir une solution totalement diff\u00e9rente.<\/p>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Les \u00e9nigmes avec des allumettes sont un excellent moyen de stimuler la logique, l\u2019observation et la cr\u00e9ativit\u00e9. \u00c0 premi\u00e8re vue,&hellip;<\/p>\n","protected":false},"author":1,"featured_media":23438,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-23437","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-uncategorized"],"_links":{"self":[{"href":"https:\/\/ideerepas.milaf.ma\/index.php?rest_route=\/wp\/v2\/posts\/23437","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/ideerepas.milaf.ma\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/ideerepas.milaf.ma\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/ideerepas.milaf.ma\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/ideerepas.milaf.ma\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=23437"}],"version-history":[{"count":1,"href":"https:\/\/ideerepas.milaf.ma\/index.php?rest_route=\/wp\/v2\/posts\/23437\/revisions"}],"predecessor-version":[{"id":23439,"href":"https:\/\/ideerepas.milaf.ma\/index.php?rest_route=\/wp\/v2\/posts\/23437\/revisions\/23439"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/ideerepas.milaf.ma\/index.php?rest_route=\/wp\/v2\/media\/23438"}],"wp:attachment":[{"href":"https:\/\/ideerepas.milaf.ma\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=23437"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/ideerepas.milaf.ma\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=23437"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/ideerepas.milaf.ma\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=23437"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}