{"schema_version":3,"id":"home-rac-som-004","url":"/questions/home-rac-som-004/","theme":"revise-seconde","parcours":"commun|spe|ens_sci|techno","niveau":2,"type":"qcm","consigne":"Calcule.","amorce":"\\(4\\sqrt{2}-\\sqrt{2}=?\\)","choices":["3√2","4","3","√2"],"reponse":"3√2","correction":{"repere":"Repère le coefficient 1 devant la deuxième racine.","agis":"Soustrais les coefficients 4 et 1 et conserve √2.","pourquoi":"Des racines semblables gardent leur partie radicale ; seuls les coefficients se soustraient.","verification":"Ajoute √2 à 3√2 : tu dois retrouver 4√2."},"empreinte":"cc92c97906384c0c25978b2cf7b46b9cb55bc749c22dfa242955616a6681a4f4","canonical_url":"https://unpointdeplus.com/questions/home-rac-som-004/","memberships":[{"set_id":"racines-somme","titre":"Racines carrées : additionner et tout mélanger","etape":"B — Coefficient implicite","position":4,"total":12,"set_url":"https://unpointdeplus.com/sets/racines-somme/","url":"https://unpointdeplus.com/questions/home-rac-som-004/"}],"navigation":{"set_id":"racines-somme","titre":"Racines carrées : additionner et tout mélanger","position":4,"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-003","label":"← Question précédente","url":"https://unpointdeplus.com/questions/home-rac-som-003/"},"next":{"kind":"question","id":"home-rac-som-005","label":"Question suivante →","url":"https://unpointdeplus.com/questions/home-rac-som-005/"}}}