Quiz — 635a4cd22d625_corrigé ex4.pdf

Question 1 sur 5 10:00

[{"id":878,"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, alignez les virgules et additionnez les chiffres de droite à gauche. 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":879,"question":"Quelle est la fraction irréductible équivalente à 18\/24 ?","option_a":"3\/4","option_b":"6\/8","option_c":"9\/12","option_d":"2\/3","option_e":"","option_f":"","bonne_reponse":"a","explication":"Pour simplifier une fraction, divisez le numérateur et le dénominateur par leur plus grand commun diviseur (PGCD). Ici, PGCD(18,24) = 6, donc 18\/24 = 3\/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\": \"3\/4\", \"b\": \"6\/8\", \"c\": \"9\/12\", \"d\": \"2\/3\"}}","_debug_options_count":4},{"id":880,"question":"Quel est le périmètre d'un rectangle de longueur 8 cm et de largeur 5 cm ?","option_a":"26 cm","option_b":"40 cm","option_c":"13 cm","option_d":"30 cm","option_e":"","option_f":"","bonne_reponse":"a","explication":"Le périmètre d'un rectangle se calcule avec la formule P = 2 × (Longueur + Largeur). Ici, P = 2 × (8 + 5) = 26 cm.","points":1,"type":"qcm","actif":1,"section_id":null,"ordre":0,"_debug_answer_data_type":"string","_debug_answer_data_preview":"{\"correct\": \"a\", \"options\": {\"a\": \"26 cm\", \"b\": \"40 cm\", \"c\": \"13 cm\", \"d\": \"30 cm\"}}","_debug_options_count":4},{"id":881,"question":"Calculez 3\/4 de 20.","option_a":"15","option_b":"10","option_c":"5","option_d":"25","option_e":"","option_f":"","bonne_reponse":"a","explication":"Pour calculer une fraction d'un nombre, multipliez le nombre par la fraction. 3\/4 × 20 = (3 × 20) \/ 4 = 60 \/ 4 = 15.","points":1,"type":"qcm","actif":1,"section_id":null,"ordre":0,"_debug_answer_data_type":"string","_debug_answer_data_preview":"{\"correct\": \"a\", \"options\": {\"a\": \"15\", \"b\": \"10\", \"c\": \"5\", \"d\": \"25\"}}","_debug_options_count":4},{"id":882,"question":"Quelle est l'aire d'un carré de côté 6 cm ?","option_a":"12 cm²","option_b":"24 cm²","option_c":"36 cm²","option_d":"18 cm²","option_e":"","option_f":"","bonne_reponse":"c","explication":"L'aire d'un carré se calcule avec la formule A = côté × côté. Ici, A = 6 × 6 = 36 cm².","points":1,"type":"qcm","actif":1,"section_id":null,"ordre":0,"_debug_answer_data_type":"string","_debug_answer_data_preview":"{\"correct\": \"c\", \"options\": {\"a\": \"12 cm²\", \"b\": \"24 cm²\", \"c\": \"36 cm²\", \"d\": \"18 cm²\"}}","_debug_options_count":4}]