Răspuns:
a) 4×12=48
48+8=56
56:(-7)=-8
-8-5=-13
b) 11×12=132
132+8=140
140÷(-7)=-20
-20-5=-25
c) -10×12=-120
-120+8=-112
-112÷(-7)=+16
16-5=11
