: Supprimer les parenthèses A = 3 - (a - b + c)
B = a + (-x + b = 6)
C = -3- (-a + b + x)
D = -x + (-3a - 5b - y)
B = a + (-x + b = 6)
C = -3- (-a + b + x)
D = -x + (-3a - 5b - y)
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Réponse :
A = 3 - (a - b + c)
A = 3-a+b-c
B = a + (-x + b = 6)
= c'est +?
B = -3-x+b+6
C = -3- (-a + b + x)
C = -3+a-b-x
D = -x + (-3a - 5b - y)
D =-x-3a-5b-y
Explications :
Réponse :
A = 3 - (a - b + c)
A = 3-a+b-c
B = a + (-x + b = 6)=
B = -3-x+b+6C = -3- (-a + b + x)
C = -3+a-b-xD = -x + (-3a - 5b - y)
D =-x-3a-5b-y