Série d'exercices corrigés pour la 7ème année en mathématiques. Maîtrisez les bases du calcul et les priorités opératoires avec des exercices adaptés.
Question 1 sur 10 10:00
[{"id":72962,"question":"Quel est le résultat de 7 × (5 + 3) ?","option_a":"40","option_b":"56","option_c":"48","option_d":"28","option_e":"","option_f":"","bonne_reponse":"C","explication":"On applique d'abord les parenthèses : 5 + 3 = 8, puis on multiplie par 7 : 7 × 8 = 56.","points":1,"type":"qcm","actif":1,"section_id":null,"ordre":0},{"id":72963,"question":"L'opération 12 ÷ 3 × 2 est égale à 8.","option_a":"Vrai","option_b":"Faux","option_c":"","option_d":"","option_e":"","option_f":"","bonne_reponse":"B","explication":"On effectue les divisions et multiplications de gauche à droite : 12 ÷ 3 = 4, puis 4 × 2 = 8. L'affirmation est donc vraie.","points":1,"type":"qcm","actif":1,"section_id":null,"ordre":0},{"id":72964,"question":"Quel est le résultat de 15 - 3 × 4 ?","option_a":"48","option_b":"3","option_c":"12","option_d":"45","option_e":"","option_f":"","bonne_reponse":"B","explication":"La multiplication est prioritaire : 3 × 4 = 12. Ensuite, 15 - 12 = 3.","points":1,"type":"qcm","actif":1,"section_id":null,"ordre":0},{"id":72965,"question":"L'expression (8 + 2) × 3 est égale à 30.","option_a":"Vrai","option_b":"Faux","option_c":"","option_d":"","option_e":"","option_f":"","bonne_reponse":"A","explication":"On calcule d'abord les parenthèses : 8 + 2 = 10, puis on multiplie par 3 : 10 × 3 = 30. L'affirmation est vraie.","points":1,"type":"qcm","actif":1,"section_id":null,"ordre":0},{"id":72966,"question":"Quel est le résultat de 24 ÷ (6 - 2) ?","option_a":"6","option_b":"4","option_c":"8","option_d":"12","option_e":"","option_f":"","bonne_reponse":"A","explication":"On calcule d'abord les parenthèses : 6 - 2 = 4, puis on divise : 24 ÷ 4 = 6.","points":1,"type":"qcm","actif":1,"section_id":null,"ordre":0},{"id":72967,"question":"L'opération 5 + 2 × 3 est égale à 21.","option_a":"Vrai","option_b":"Faux","option_c":"","option_d":"","option_e":"","option_f":"","bonne_reponse":"B","explication":"La multiplication est prioritaire : 2 × 3 = 6. Ensuite, 5 + 6 = 11. L'affirmation est donc fausse.","points":1,"type":"qcm","actif":1,"section_id":null,"ordre":0},{"id":72968,"question":"Quel est le résultat de 10 × (2 + 3) - 5 ?","option_a":"45","option_b":"50","option_c":"35","option_d":"25","option_e":"","option_f":"","bonne_reponse":"A","explication":"On calcule d'abord les parenthèses : 2 + 3 = 5, puis on multiplie par 10 : 10 × 5 = 50. Ensuite, on soustrait 5 : 50 - 5 = 45.","points":1,"type":"qcm","actif":1,"section_id":null,"ordre":0},{"id":72969,"question":"L'expression 18 ÷ 3 × 2 est égale à 12.","option_a":"Vrai","option_b":"Faux","option_c":"","option_d":"","option_e":"","option_f":"","bonne_reponse":"A","explication":"On effectue les opérations de gauche à droite : 18 ÷ 3 = 6, puis 6 × 2 = 12. L'affirmation est vraie.","points":1,"type":"qcm","actif":1,"section_id":null,"ordre":0},{"id":72970,"question":"Quel est le résultat de (7 - 2) × (4 + 1) ?","option_a":"25","option_b":"15","option_c":"35","option_d":"5","option_e":"","option_f":"","bonne_reponse":"A","explication":"On calcule d'abord les parenthèses : 7 - 2 = 5 et 4 + 1 = 5. Ensuite, on multiplie : 5 × 5 = 25.","points":1,"type":"qcm","actif":1,"section_id":null,"ordre":0},{"id":72971,"question":"L'opération 9 + 6 ÷ 2 est égale à 7,5.","option_a":"Vrai","option_b":"Faux","option_c":"","option_d":"","option_e":"","option_f":"","bonne_reponse":"A","explication":"La division est prioritaire : 6 ÷ 2 = 3. Ensuite, on ajoute : 9 + 3 = 12. L'affirmation est donc fausse.","points":1,"type":"qcm","actif":1,"section_id":null,"ordre":0}]
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