Bonjour j'ai un exercice en maths 3éme sur le calcul littérale . A = - (5-2z) (z-8)
B = -2s (2-s) + (-s-2) (s+5)
C = (5x+8) (-3x-7) + (9x-4) (-10+2x)
B = -2s (2-s) + (-s-2) (s+5)
C = (5x+8) (-3x-7) + (9x-4) (-10+2x)
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