{"schema_version":3,"id":"home-ens-exos-006","url":"/questions/home-ens-exos-006/","theme":"ensembles","parcours":"commun|spe|ens_sci|techno","niveau":1,"type":"qcm","consigne":"Quelle est la réunion ?","amorce":"A={1,2,3} et B={2,3,4}. Calcule A ∪ B.","choices":["{1,2,3,4}","{2,3}","{1,4}","∅"],"reponse":"{1,2,3,4}","correction":{"repere":"Observe tous les éléments.","agis":"Rassemble sans répéter.","pourquoi":"A ∪ B = {1,2,3,4}.","verification":"2 et 3 ne sont écrits qu’une fois."},"empreinte":"1a3fa267545d4142d10aace6158f9a26ef19dabe3838429885da7334537dbdca","canonical_url":"https://unpointdeplus.com/questions/home-ens-exos-006/","memberships":[{"set_id":"ensembles-exercices","titre":"S’entraîner avec les ensembles de nombres","etape":"Exercice 6","position":6,"total":12,"set_url":"https://unpointdeplus.com/sets/ensembles-exercices/","url":"https://unpointdeplus.com/questions/home-ens-exos-006/"}],"navigation":{"set_id":"ensembles-exercices","titre":"S’entraîner avec les ensembles de nombres","position":6,"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":"question","id":"home-ens-exos-005","label":"← Question précédente","url":"https://unpointdeplus.com/questions/home-ens-exos-005/"},"next":{"kind":"question","id":"home-ens-exos-007","label":"Question suivante →","url":"https://unpointdeplus.com/questions/home-ens-exos-007/"}}}