tolong jawab ya besok mau dikumpul plissss

semoga membantu ya:)

1. 32 - ( - 87 ) = 119
46 - ( - 12 ) = 58
16 - ( - 2 ) = 18
- 28 + 30 = 2
2. 29, 27, 23, 18, 0, -13, -18, -32, -39
3. 4/7 - 2/9 = 36/63 - 14/63
= 22/63