{"schema_version":3,"id":"home-ens-cours-010","url":"/questions/home-ens-cours-010/","theme":"ensembles","parcours":"commun|spe|ens_sci|techno","niveau":2,"type":"qcm","consigne":"Dans quel ensemble minimal appartient −4 ?","amorce":"Classe −4 dans la chaîne.","choices":["ℤ","ℕ","𝔻","ℚ"],"reponse":"ℤ","correction":{"repere":"Observe le signe négatif.","agis":"Choisis le premier ensemble qui contient −4.","pourquoi":"−4 est relatif mais pas naturel : le plus petit ensemble est ℤ.","verification":"−4 peut aussi s’écrire −4,0, mais ℤ est plus petit."},"empreinte":"cdb0ef55f1940effe019049cdecc8553367611c459a8def2c110fdc7d7df51c3","canonical_url":"https://unpointdeplus.com/questions/home-ens-cours-010/","memberships":[{"set_id":"ensembles-revision","titre":"Réviser les ensembles de nombres","etape":"Révision 10","position":10,"total":12,"set_url":"https://unpointdeplus.com/sets/ensembles-revision/","url":"https://unpointdeplus.com/questions/home-ens-cours-010/"}],"navigation":{"set_id":"ensembles-revision","titre":"Réviser les ensembles de nombres","position":10,"total":12,"revision":"1-ed7ac45c62f0d0e7615a2717-nav-4f53cda18c2baa0c","up":{"kind":"set","id":"ensembles-revision","label":"Présentation du set","url":"https://unpointdeplus.com/sets/ensembles-revision/"},"previous":{"kind":"question","id":"home-ens-cours-009","label":"← Question précédente","url":"https://unpointdeplus.com/questions/home-ens-cours-009/"},"next":{"kind":"question","id":"home-ens-cours-011","label":"Question suivante →","url":"https://unpointdeplus.com/questions/home-ens-cours-011/"}}}