{"schema_version":3,"id":"home-ens-exos-001","url":"/questions/home-ens-exos-001/","theme":"ensembles","parcours":"commun|spe|ens_sci|techno","niveau":1,"type":"qcm","consigne":"Quelle affirmation est vraie ?","amorce":"Choisis la proposition correcte.","choices":["−2 ∈ ℤ","−2 ∈ ℕ","−2 ∉ ℝ","−2 ∈ ℕ seulement"],"reponse":"−2 ∈ ℤ","correction":{"repere":"Observe le signe et la hiérarchie.","agis":"Vérifie l’appartenance à l’ensemble.","pourquoi":"−2 est relatif, donc aussi décimal et réel.","verification":"−2 = −2,0."},"empreinte":"5721f0febcacb44b02285926830c05b7d140653a89181227b0dbe29cc12d050b","canonical_url":"https://unpointdeplus.com/questions/home-ens-exos-001/","memberships":[{"set_id":"ensembles-exercices","titre":"S’entraîner avec les ensembles de nombres","etape":"Exercice 1","position":1,"total":12,"set_url":"https://unpointdeplus.com/sets/ensembles-exercices/","url":"https://unpointdeplus.com/questions/home-ens-exos-001/"}],"navigation":{"set_id":"ensembles-exercices","titre":"S’entraîner avec les ensembles de nombres","position":1,"total":12,"revision":"1-4aa13e40437c1655ee9b8347-nav-4f53cda18c2baa0c","up":{"kind":"set","id":"ensembles-exercices","label":"Présentation du set","url":"https://unpointdeplus.com/sets/ensembles-exercices/"},"previous":{"kind":"set","id":"ensembles-exercices","label":"Présentation du set","url":"https://unpointdeplus.com/sets/ensembles-exercices/"},"next":{"kind":"question","id":"home-ens-exos-002","label":"Question suivante →","url":"https://unpointdeplus.com/questions/home-ens-exos-002/"}}}