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lizzy1
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lizzy1
January 2021 | 0 Respostas
Bonjour pouvez vous l'aider svp Exercice1: Calculer : 1) - ( 2x + 3 ) - ( 3 - 5x ) + ( 1 - x) = 2) -3 (2 - 3x) +4 (x-1) -2 (2-2x) = Exercice 2 : developper : 1). (2-3x) (4-5x-3xau carre ) = 2). (2x+6)au carre = 3). (3-2x)au carre = 4). (3x-5) (3x+5) = Exercice 3 factoriser : 1). 5 x au cube - 3x au carre +2x = 2). (5x -1) (2x+3) - (1-x) (5x-1) =
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