Question

• (-3) + (+9) =
- (+15) + (-12) =
- (+6) + (+8) =
• (-24) + (+12) =
• (-8) + (+17) =
• (-14) + (-5) =
• (-12) + (+7) =
(+7) + (+8) =​

Answer 1

Respuesta:

1. R– 6

2.R– 27

3.R– 14+

4.R– 36

5.R– 25-

6R– 19

7R– 19

8R– 15+