{"schema_version":3,"id":"home-rac-som-012","url":"/questions/home-rac-som-012/","theme":"revise-seconde","parcours":"commun|spe|ens_sci|techno","niveau":3,"type":"qcm","consigne":"Calcule.","amorce":"\\(2\\sqrt{5}\\times\\sqrt{5}=?\\)","choices":["10","2√10","25","7"],"reponse":"10","correction":{"repere":"Observe le coefficient 2 et les deux racines identiques.","agis":"Calcule d\u0027abord le produit des racines puis multiplie par 2.","pourquoi":"Deux racines identiques donnent leur radicande ; le coefficient extérieur reste multiplicateur.","verification":"Divise ta réponse par 2 : tu dois retrouver √5 × √5 = 5."},"empreinte":"725d10a230a7d8505050fc0b6e7daaecf03b87dd61c8caaa701d99adcca584bd","canonical_url":"https://unpointdeplus.com/questions/home-rac-som-012/","memberships":[{"set_id":"racines-somme","titre":"Racines carrées : additionner et tout mélanger","etape":"E — Coefficient et produit","position":12,"total":12,"set_url":"https://unpointdeplus.com/sets/racines-somme/","url":"https://unpointdeplus.com/questions/home-rac-som-012/"}],"navigation":{"set_id":"racines-somme","titre":"Racines carrées : additionner et tout mélanger","position":12,"total":12,"revision":"1-60bd05419d7f18a34728adb4-nav-4f53cda18c2baa0c","up":{"kind":"set","id":"racines-somme","label":"Présentation du set","url":"https://unpointdeplus.com/sets/racines-somme/"},"previous":{"kind":"question","id":"home-rac-som-011","label":"← Question précédente","url":"https://unpointdeplus.com/questions/home-rac-som-011/"},"next":{"kind":"set_end","id":"racines-somme","label":"Continuer","url":"https://unpointdeplus.com/sets/racines-somme/fin/"}}}