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AntoGaming11
@AntoGaming11
May 2019
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Bonjour j'ai deux exercice de maths pour demain et je suis nul en math et j'aurai besoin d'aide . Merci infiniment
16: Développe et réduis les expressions suivantes :
A= 11+2 (x-6)
B= 3(2y-4)-2y
C= 7-4(8-2a)+a
D= -15-9(-5+3b)
E= -5(6 -3z ) -9 +z
F= 12x -4(6-3x)
Merci infiniment
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Commentaires (2)
Par exemple :
A =
11+2(x-6) = 11+2x-12 = 2x-1
B= 3(2y-4)-2y = 6y-12-2y = 4y-12
C= 7-4(8-2a)+a = 7-32+8a+a = 9a-25
D= -15-9(-5+3b) = -15+45-27b = 30-27b
tu fais les deux derniers ?
0 votes
Thanks 1
AntoGaming11
non je suis nul en math j'y arrive pas
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A = 11+2(x-6) = 11+2x-12 = 2x-1
B= 3(2y-4)-2y = 6y-12-2y = 4y-12
C= 7-4(8-2a)+a = 7-32+8a+a = 9a-25
D= -15-9(-5+3b) = -15+45-27b = 30-27b
tu fais les deux derniers ?