Devoir Surveiller n°1 - Semestre II 2025 (Page 1)
Collège : ........
Matière : Mathématiques
Prénom et Nom : ......................................... Classe : ............................... Numéro : ....................
Niveau : 1APIC
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Exercice 1
· \( 8a - 3b + 2a - 5b \) (1,5pts) =……………………………………………………………. =……………………………………………………………. · \( 4c^2 + 7c - 2c^2 - 3c \) (1,5pts) =……………………………………………………………. =…………………………………………………………….
· \( A = 4(3 - x) \) (1,5pts) =……………………………………………………………. =……………………………………………………………. · \( B = (x - 1)(x + 6) \) (1,5pts) =……………………………………………………………. =……………………………………………………………. =……………………………………………………………. · \( D = (x - 2)^2 \) (1,5pts) =……………………………………………………………. =……………………………………………………………. =…………………………………………………………….
· \( F = 5x - 10y \) (1,5pts) =……………………………………………………………. · \( H = (x + 3)(x - 2) + 4(x + 3) \) (1,5pts) =……………………………………………………………. =……………………………………………………………. |
=……………………………………………………………. Exercice 2 Résoudre les équations suivantes :
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Devoir Surveiller n°1 - Semestre II 2025 (Page 2)
Collège : ........................
Matière : Mathématiques
Niveau : 1APIC
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· \( 4x - 3 = x + 9 \) (1,5pts) ..……………………………………………………………. ..……………………………………………………………. ..……………………………………………………………. ..……………………………………………………………. ..……………………………………………………………. ..……………………………………………………………. ..……………………………………………………………. ..……………………………………………………………. ..……………………………………………………………. ..……………………………………………………………. · \( \frac{x + 4}{3} = \frac{x - 2}{5} \) (1,5pts) ..……………………………………………………………. ..……………………………………………………………. ..……………………………………………………………. ..……………………………………………………………. ..……………………………………………………………. ..……………………………………………………………. ..……………………………………………………………. ..……………………………………………………………. ..……………………………………………………………. ..……………………………………………………………. |
Exercice 3 : Traduire la situation suivante en équation et la résoudre : Problème : Une sœur aînée a 15 ans et son petit frère a 3 ans. ..……………………………………………………………. ..……………………………………………………………. ..……………………………………………………………. ..……………………………………………………………. ..……………………………………………………………. ..……………………………………………………………. ..……………………………………………………………. ..……………………………………………………………. ..……………………………………………………………. ..……………………………………………………………. |
