tolong selesailan pakai cara ya nomor 1 dan 2

1. a. |-3+10|
| 7 | = 7

b. | 2-11+4 |
| -9+4 |
| -5 | = 5

c. | 2/5 - 1/3 |
| 6/15 - 5/15 |
| 1/15 | = 1/15

d. | 2/5 -1/3 - 5/7 |
| 42/105 - 35/105 - 75/105 |
| 7/105 - 75/105 |
| -68/105 | = 68/105
Maaf cuma yg no. 1
Semoga membantu yah..