Calculer les expressions suivantes :
-4x3
-8+2
A =
A=-12
6
4=+2
C =
(6-3)x(-9+5)
(7-9+1)x2
B =
-9+6-5
3-(6-8)
B:-3-5
3-62)
B=-8
3+2 B = = = = = 1₁6
6-4x5+8
D=
3+7x(-2)+7