Question

-7-10+6=
-11-19=
-17+7=

Answer 1

1) -17+6=-11
2) -30
3) -10

Answer 2

1)=-1
2)=-30
3)=-10
Всё?

Answer 3

-8+10; (-1)×2×3(-1); (-2)×3×(-1)×(-1)

Answer 4

1) -17+6= -11

Answer 5

1)2 ; 2)6 ;3)-6