{"schema_version":3,"id":"home-ens-cours-011","url":"/questions/home-ens-cours-011/","theme":"ensembles","parcours":"commun|spe|ens_sci|techno","niveau":2,"type":"qcm","consigne":"Dans quel ensemble minimal appartient √2 ?","amorce":"Classe √2 dans la chaîne.","choices":["ℝ","ℚ","𝔻","ℤ"],"reponse":"ℝ","correction":{"repere":"Observe que √2 est irrationnel.","agis":"Élimine les ensembles de quotients d’entiers.","pourquoi":"√2 est réel irrationnel : il appartient à ℝ mais pas à ℚ.","verification":"Son écriture décimale est infinie et non périodique."},"empreinte":"b7ef3a616e4a3bca3e081e72ac8c5b37c9ed8b23fa9b3f0110ae6a243274f4b7","canonical_url":"https://unpointdeplus.com/questions/home-ens-cours-011/","memberships":[{"set_id":"ensembles-revision","titre":"Réviser les ensembles de nombres","etape":"Révision 11","position":11,"total":12,"set_url":"https://unpointdeplus.com/sets/ensembles-revision/","url":"https://unpointdeplus.com/questions/home-ens-cours-011/"}],"navigation":{"set_id":"ensembles-revision","titre":"Réviser les ensembles de nombres","position":11,"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-010","label":"← Question précédente","url":"https://unpointdeplus.com/questions/home-ens-cours-010/"},"next":{"kind":"question","id":"home-ens-cours-012","label":"Question suivante →","url":"https://unpointdeplus.com/questions/home-ens-cours-012/"}}}