Exercice 1 : Réduire les expressions A = 12 a + 3a - 5a
B = 6x - x + 2x - 10x
C = 5d + 4a - 3d - 8a
D = 2y2 + 3y + 7y2 - y
Aider moi merci
B = 6x - x + 2x - 10x
C = 5d + 4a - 3d - 8a
D = 2y2 + 3y + 7y2 - y
Aider moi merci
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