{"schema_version":3,"id":"home-frac-005","url":"/questions/home-frac-005/","theme":"fractions","parcours":"commun|spe|ens_sci|techno","niveau":2,"type":"qcm","consigne":"Calcule la fraction de la quantité donnée.","amorce":"\\(\\frac{3}{4}\\text{ de }20 = ?\\)","choices":["15","5","60","8"],"reponse":"15","correction":{"repere":"Le dénominateur 4 indique le nombre de parts égales du total 20.","agis":"Divise 20 par 4, puis multiplie le résultat par 3.","pourquoi":"Une part vaut 20 ÷ 4 = 5 ; 3 parts valent 5 × 3 = 15.","verification":"Retrouve une part puis le total : 15 ÷ 3 = 5, puis 5 × 4 = 20."},"empreinte":"7c3b3fb9225784bcd4c15310f0be5c3c90fa7b4d6469d2aceae9849362a8ef09","canonical_url":"https://unpointdeplus.com/questions/home-frac-005/","memberships":[{"set_id":"fractions-quantites","titre":"Fractions : de la part au total","etape":"Réunir trois parts","position":5,"total":12,"set_url":"https://unpointdeplus.com/sets/fractions-quantites/","url":"https://unpointdeplus.com/questions/home-frac-005/"}],"navigation":{"set_id":"fractions-quantites","titre":"Fractions : de la part au total","position":5,"total":12,"revision":"1-46d6396235c5fb9155e1afe9-nav-4f53cda18c2baa0c","up":{"kind":"set","id":"fractions-quantites","label":"Présentation du set","url":"https://unpointdeplus.com/sets/fractions-quantites/"},"previous":{"kind":"question","id":"home-frac-004","label":"← Question précédente","url":"https://unpointdeplus.com/questions/home-frac-004/"},"next":{"kind":"question","id":"home-frac-006","label":"Question suivante →","url":"https://unpointdeplus.com/questions/home-frac-006/"}}}