Răspuns:
-4-3= -7
-8-3= -11
-(-1)-3=1-3= -2
-5-3= -8
________
-5+4= -1
-5+(-8)= -13
-5+(-1)= -6
-5+5=0
__________
4·(-3)= -12
-8·(-3)=24
-1·(-3)=3
5·(-3)=-15
__________
-5·4=-20
-5·(-8)=5·8=40
-5·(-1)=5·1=5
-5·5= -25
__________
-4·6=-24
-(-8)·6=8·6=48
-(-1)·6=1·6=6
-5·6= -30