Question

quanto que é: -40 -11 , 31 +14 , -1 +30 , 40 -63 , 91 -57 , -90 +10 , -100 +104

Answer 1

- 40 - 11 = -51
31 + 14 = 45
- 1 + 30 = 29
40 - 63 = -23
91 - 57 = 34
- 90 + 10 = -80
- 100 + 104 = 4