Quiz — 6a087131cab1b_corrigé prototype 2 brouillon.pdf

Question 1 sur 5 10:00

[{"id":259,"question":"Quel est le résultat de l'opération suivante : 12,5 + 3,75 ?","option_a":"15,25","option_b":"16,25","option_c":"15,75","option_d":"16,75","option_e":"","option_f":"","bonne_reponse":"b","explication":"Pour additionner des nombres décimaux, aligne les virgules et additionne chiffre par chiffre. 12,5 + 3,75 = 16,25.","points":1,"type":"qcm","actif":1,"section_id":null,"ordre":0,"_debug_answer_data_type":"string","_debug_answer_data_preview":"{\"correct\": \"b\", \"options\": {\"a\": \"15,25\", \"b\": \"16,25\", \"c\": \"15,75\", \"d\": \"16,75\"}}","_debug_options_count":4},{"id":260,"question":"Quelle est la priorité des opérations dans l'expression : 5 + 2 × 3 ?","option_a":"Multiplication puis addition","option_b":"Addition puis multiplication","option_c":"Les deux opérations ont la même priorité","option_d":"On commence par la parenthèse","option_e":"","option_f":"","bonne_reponse":"a","explication":"En mathématiques, la multiplication a priorité sur l'addition. Donc on calcule d'abord 2 × 3 = 6, puis 5 + 6 = 11.","points":1,"type":"qcm","actif":1,"section_id":null,"ordre":0,"_debug_answer_data_type":"string","_debug_answer_data_preview":"{\"correct\": \"a\", \"options\": {\"a\": \"Multiplication puis addition\", \"b\": \"Addition puis multiplication","_debug_options_count":4},{"id":261,"question":"Quel est le résultat de 4,2 × 0,5 ?","option_a":"2,1","option_b":"21","option_c":"0,21","option_d":"210","option_e":"","option_f":"","bonne_reponse":"a","explication":"Pour multiplier des nombres décimaux, multiplie les nombres sans tenir compte de la virgule, puis place la virgule dans le résultat. 42 × 5 = 210, donc 4,2 × 0,5 = 2,1.","points":1,"type":"qcm","actif":1,"section_id":null,"ordre":0,"_debug_answer_data_type":"string","_debug_answer_data_preview":"{\"correct\": \"a\", \"options\": {\"a\": \"2,1\", \"b\": \"21\", \"c\": \"0,21\", \"d\": \"210\"}}","_debug_options_count":4},{"id":262,"question":"Un élève achète 3 cahiers à 2,500 DT chacun et 2 stylos à 1,250 DT chacun. Quel est le montant total de ses achats ?","option_a":"9,500 DT","option_b":"10,000 DT","option_c":"8,750 DT","option_d":"10,500 DT","option_e":"","option_f":"","bonne_reponse":"b","explication":"Calcule le coût des cahiers : 3 × 2,500 = 7,500 DT. Calcule le coût des stylos : 2 × 1,250 = 2,500 DT. Le total est 7,500 + 2,500 = 10,000 DT.","points":1,"type":"qcm","actif":1,"section_id":null,"ordre":0,"_debug_answer_data_type":"string","_debug_answer_data_preview":"{\"correct\": \"b\", \"options\": {\"a\": \"9,500 DT\", \"b\": \"10,000 DT\", \"c\": \"8,750 DT\", \"d\": \"10,500 DT\"}}","_debug_options_count":4},{"id":263,"question":"Quelle est la valeur de l'expression : 10 - 3 × 2 ?","option_a":"4","option_b":"14","option_c":"16","option_d":"7","option_e":"","option_f":"","bonne_reponse":"a","explication":"La multiplication a priorité sur la soustraction. Donc on calcule d'abord 3 × 2 = 6, puis 10 - 6 = 4.","points":1,"type":"qcm","actif":1,"section_id":null,"ordre":0,"_debug_answer_data_type":"string","_debug_answer_data_preview":"{\"correct\": \"a\", \"options\": {\"a\": \"4\", \"b\": \"14\", \"c\": \"16\", \"d\": \"7\"}}","_debug_options_count":4}]