{"schema_version":3,"id":"home-rac-som-007","url":"/questions/home-rac-som-007/","theme":"revise-seconde","parcours":"commun|spe|ens_sci|techno","niveau":2,"type":"qcm","consigne":"Calcule et simplifie.","amorce":"\\(\\sqrt{50}-\\sqrt{2}=?\\)","choices":["4√2","√48","5√2","3√2"],"reponse":"4√2","correction":{"repere":"Cherche 25 dans 50 pour rendre les racines semblables.","agis":"Simplifie √50 puis soustrais les coefficients 5 et 1.","pourquoi":"Après simplification, la soustraction porte sur des racines semblables et conserve √2.","verification":"Ajoute √2 à ta réponse : tu dois retrouver 5√2, donc √50."},"empreinte":"e67d25ce14f1ec91c9c37b87ebe124a5334d79392e7f0448b3b214bd4da0be6b","canonical_url":"https://unpointdeplus.com/questions/home-rac-som-007/","memberships":[{"set_id":"racines-somme","titre":"Racines carrées : additionner et tout mélanger","etape":"C — Soustraire après simplification","position":7,"total":12,"set_url":"https://unpointdeplus.com/sets/racines-somme/","url":"https://unpointdeplus.com/questions/home-rac-som-007/"}],"navigation":{"set_id":"racines-somme","titre":"Racines carrées : additionner et tout mélanger","position":7,"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-006","label":"← Question précédente","url":"https://unpointdeplus.com/questions/home-rac-som-006/"},"next":{"kind":"question","id":"home-rac-som-008","label":"Question suivante →","url":"https://unpointdeplus.com/questions/home-rac-som-008/"}}}