Question

помогите срочно.......​

Answer 1

1) - 4 + 7 = 3

2) - 3 + 8 = 5

3) - 2 + 9 = 7

4) - 1 + 10 = 9

5) - 4 + ( - 7 ) = - 11

6) - 3 + ( - 8 ) = - 11

7) - 2 + ( - 9 ) = - 11

8) - 1 + ( - 10 ) = - 11