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

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?

Comments

-8+10; (-1)×2×3(-1); (-2)×3×(-1)×(-1)

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1) -17+6= -11

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