Quiz — Ex13-7-c.pdf

Question 1 sur 10 20:00

[{"id":35450,"question":"Quel est le résultat de 3,5 × 2 ?","option_a":"5,5","option_b":"6","option_c":"7","option_d":"8","option_e":"","option_f":"","bonne_reponse":"c","explication":"3,5 × 2 = 7. Multiplier un nombre décimal par 2 revient à le doubler.","points":1,"type":"qcm","actif":1,"section_id":null,"ordre":0,"_debug_answer_data_type":"string","_debug_answer_data_preview":"{\"correct\": \"c\", \"options\": {\"a\": \"5,5\", \"b\": \"6\", \"c\": \"7\", \"d\": \"8\"}}","_debug_options_count":4},{"id":35451,"question":"Le périmètre d'un carré de côté 4 cm est de 16 cm.","option_a":"Vrai","option_b":"Faux","option_c":"","option_d":"","option_e":"","option_f":"","bonne_reponse":"a","explication":"Le périmètre d'un carré se calcule par 4 × côté. Ici, 4 × 4 = 16 cm. L'affirmation est donc vraie.","points":1,"type":"qcm","actif":1,"section_id":null,"ordre":0,"_debug_answer_data_type":"string","_debug_answer_data_preview":"{\"correct\": \"a\", \"options\": {\"a\": \"Vrai\", \"b\": \"Faux\", \"c\": \"\", \"d\": \"\"}}","_debug_options_count":4},{"id":35452,"question":"Quelle est la fraction irréductible de 12\/18 ?","option_a":"2\/3","option_b":"4\/6","option_c":"6\/9","option_d":"3\/4","option_e":"","option_f":"","bonne_reponse":"a","explication":"12\/18 se simplifie en divisant numérateur et dénominateur par 6 : 12 ÷ 6 = 2 et 18 ÷ 6 = 3.","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\/3\", \"b\": \"4\/6\", \"c\": \"6\/9\", \"d\": \"3\/4\"}}","_debug_options_count":4},{"id":35453,"question":"L'aire d'un rectangle de longueur 5 cm et de largeur 3 cm est de 15 cm².","option_a":"Vrai","option_b":"Faux","option_c":"","option_d":"","option_e":"","option_f":"","bonne_reponse":"a","explication":"L'aire d'un rectangle se calcule par longueur × largeur. Ici, 5 × 3 = 15 cm². L'affirmation est vraie.","points":1,"type":"qcm","actif":1,"section_id":null,"ordre":0,"_debug_answer_data_type":"string","_debug_answer_data_preview":"{\"correct\": \"a\", \"options\": {\"a\": \"Vrai\", \"b\": \"Faux\", \"c\": \"\", \"d\": \"\"}}","_debug_options_count":4},{"id":35454,"question":"Quel est le résultat de 25 ÷ 5 + 3 ?","option_a":"8","option_b":"5","option_c":"10","option_d":"7","option_e":"","option_f":"","bonne_reponse":"a","explication":"Selon les règles de priorité des opérations, on effectue d'abord la division : 25 ÷ 5 = 5, puis l'addition : 5 + 3 = 8.","points":1,"type":"qcm","actif":1,"section_id":null,"ordre":0,"_debug_answer_data_type":"string","_debug_answer_data_preview":"{\"correct\": \"a\", \"options\": {\"a\": \"8\", \"b\": \"5\", \"c\": \"10\", \"d\": \"7\"}}","_debug_options_count":4},{"id":35455,"question":"La somme de 1\/4 et 1\/2 est égale à 3\/4.","option_a":"Vrai","option_b":"Faux","option_c":"","option_d":"","option_e":"","option_f":"","bonne_reponse":"a","explication":"Pour additionner des fractions, il faut un dénominateur commun. 1\/2 = 2\/4, donc 1\/4 + 2\/4 = 3\/4. L'affirmation est vraie.","points":1,"type":"qcm","actif":1,"section_id":null,"ordre":0,"_debug_answer_data_type":"string","_debug_answer_data_preview":"{\"correct\": \"a\", \"options\": {\"a\": \"Vrai\", \"b\": \"Faux\", \"c\": \"\", \"d\": \"\"}}","_debug_options_count":4},{"id":35456,"question":"Quel est le volume d'un cube de côté 3 cm ?","option_a":"9 cm³","option_b":"12 cm³","option_c":"27 cm³","option_d":"18 cm³","option_e":"","option_f":"","bonne_reponse":"c","explication":"Le volume d'un cube se calcule par côté × côté × côté. Ici, 3 × 3 × 3 = 27 cm³.","points":1,"type":"qcm","actif":1,"section_id":null,"ordre":0,"_debug_answer_data_type":"string","_debug_answer_data_preview":"{\"correct\": \"c\", \"options\": {\"a\": \"9 cm³\", \"b\": \"12 cm³\", \"c\": \"27 cm³\", \"d\": \"18 cm³\"}}","_debug_options_count":4},{"id":35457,"question":"Le nombre 0,75 est équivalent à 3\/4.","option_a":"Vrai","option_b":"Faux","option_c":"","option_d":"","option_e":"","option_f":"","bonne_reponse":"a","explication":"0,75 = 75\/100 = 3\/4 après simplification. L'affirmation est vraie.","points":1,"type":"qcm","actif":1,"section_id":null,"ordre":0,"_debug_answer_data_type":"string","_debug_answer_data_preview":"{\"correct\": \"a\", \"options\": {\"a\": \"Vrai\", \"b\": \"Faux\", \"c\": \"\", \"d\": \"\"}}","_debug_options_count":4},{"id":35458,"question":"Quel est le résultat de 10 - (4 + 2) ?","option_a":"4","option_b":"6","option_c":"8","option_d":"2","option_e":"","option_f":"","bonne_reponse":"a","explication":"On effectue d'abord l'addition entre parenthèses : 4 + 2 = 6, puis la soustraction : 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\": \"6\", \"c\": \"8\", \"d\": \"2\"}}","_debug_options_count":4},{"id":35459,"question":"Le nombre 1,25 est supérieur à 1,5.","option_a":"Vrai","option_b":"Faux","option_c":"","option_d":"","option_e":"","option_f":"","bonne_reponse":"b","explication":"1,25 est inférieur à 1,5. L'affirmation est donc fausse.","points":1,"type":"qcm","actif":1,"section_id":null,"ordre":0,"_debug_answer_data_type":"string","_debug_answer_data_preview":"{\"correct\": \"b\", \"options\": {\"a\": \"Vrai\", \"b\": \"Faux\", \"c\": \"\", \"d\": \"\"}}","_debug_options_count":4}]