Réponses

2012-11-27T17:12:33+01:00

A = (-3+8) X (3-8)

A=  5x(-5)

A= -25

 

B = -4 X (+11) - (-27) : (-3)

B= -44 +27/3

B= -44 -9

B= -53

 

2012-11-27T17:13:18+01:00

A=5*(-5)=-25

B=-44+27/(-3)=-17/-3=17/3

C=9-[2*(-1)]=9-(-2)=11

D=39/-3=-13