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Sagot :

HADIA03BENYETTOU

a) a+b+c = -11

b) axb+c = 5

c) a + bxc = 86

d) (a+b)xc = 110

e) (a - b)xc-C(a+b) = -176

MERWABEN
On a a= -2, b= -8, c= -11
1)- a+b+c
-2+(-8)+(-11)= -21
2)- a*b+c
-2*(-8)+(-11)=5
3)- a+b*c
-2+(-8)*(-11)= 86
4)- (a+b)*c
(-2+(-8))*(-11)=110
5)- (a-b)*c - c(a+b)
(-2+8)*(-11) + 11(-2-8)= -176

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