English description follows.<\/p>\n
Une intrigante \u00e9quation : un professeur de math\u00e9matiques, quatre jeunes amis et un man\u00e8ge!<\/p>\n
Quatre amis s\u2019ennuyent, et les vacances sont \u00e0 peine commenc\u00e9es. C\u2019est sans compter sur le professeur Mathou qui va les entra\u00eener sur le plus long ruban de M\u00f6bius en Am\u00e9rique du Nord. En sa compagnie, les jeunes vont d\u00e9couvrir le nombre d\u2019or et r\u00e9pondre \u00e0 quelques \u00e9nigmes bien calcul\u00e9es. Puis, \u00e0 bord du c\u00e9l\u00e8bre Racer, les connaissances et les facult\u00e9s de d\u00e9duction de Math\u00e9o, Mathilde, Mathis et Gabriel seront mises \u00e0 rude \u00e9preuve. Mais l\u2019intelligence est la meilleure des baguettes magiques\u2026<\/p>\n
<p> Vacations have just begun, and already these four friends are bored. Professor Mathou steps in and with him they will discover the Golden Ratio, and a few exciting \u00ab\u00a0magical\u00a0\u00bb tricks with numbers. But best of all, they will be taken for a ride on the longest Moebius strip in North America. Numbers can sometimes be daunting, but nothing is more magical than solving problems using your brain. <\/p><\/p>\n","protected":false},"excerpt":{"rendered":"
<p> Vacations have just begun, and already these four friends are bored. Professor Mathou steps in and with him they will discover the Golden Ratio, and a few exciting \u00ab\u00a0magical\u00a0\u00bb tricks with numbers. But best of all, they will be taken for a ride on the longest Moebius strip in North America. Numbers can sometimes be daunting, but nothing is more magical than solving problems using your brain. <\/p><\/p>\n","protected":false},"featured_media":67558,"template":"","meta":{"_genesis_hide_title":false,"_genesis_hide_breadcrumbs":false,"_genesis_hide_singular_image":false,"_genesis_hide_footer_widgets":false,"_genesis_custom_body_class":"","_genesis_custom_post_class":"","_genesis_layout":""},"product_brand":[],"product_cat":[12776],"product_tag":[],"class_list":{"0":"post-64229","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","5":"product_language-fre","6":"product_subjects-juvenile-fiction-fr","7":"product_subjects-general-juvenile-fiction-fr","8":"product_reading_range-8-fr","9":"product_reading_range-9-fr","10":"product_reading_range-10-fr","11":"product_reading_range-11-fr","12":"product_reading_range-12-fr","13":"product_interest_range-12-fr","14":"product_interest_range-8-fr","15":"product_interest_range-9-fr","16":"product_interest_range-10-fr","17":"product_interest_range-11-fr","18":"product_grade_range-fourth-grade-fr","19":"product_grade_range-fifth-grade-fr","20":"product_grade_range-sixth-grade-fr","21":"product_grade_range-seventh-grade-fr","22":"product_grade_range-eighth-grade-fr","23":"product_curriculumsubject-developpement-humain-im-fr","24":"product_curriculumsubject-francais-programmes-detudes-fr","25":"product_curriculumsubject-developpement-humain-fr","26":"product_curriculumsubject-immersion-2-fr","27":"product_curriculumsubject-education-artistique-im-fr","28":"product_curriculumsubject-education-artistique-fr","29":"product_curriculumsubject-francais-arts-langagiers-im-fr","30":"product_curriculumsubject-francais-arts-langagiers-fr","31":"product_curriculumsubject-mathematiques-im-fr","32":"product_curriculumsubject-mathematiques-fr","33":"product_edi_languages-francais-fr","34":"biblio_share_tag-juvenile-fiction-general-fr","35":"product_cat-abc-fr-2","36":"product_shipping_class-abc-test-fr","37":"entry","39":"first","40":"instock","41":"taxable","42":"shipping-taxable","43":"purchasable","44":"product-type-simple"},"yoast_head":"\n