Tolong bantu ya no 2-sampai 10,contohnya no 1,di jawab secepatnya..pake cara kayak no 1, ok

2. 12×8/9 = 32/2 = 16

3. 13 × 12/5 = 156/5 = 31 1/5

4. 13× 20/15 = 260/15 = 17 5/15 = 17 1/3

5. 15×12/7 = 180/7 =25 5/7

6. 20×14/7 = 280/7 = 40

7. 21× 8/9 = 168/9 = 18 6/9 = 18 2/3

8. 24× 23/12 = 46

9. 28 × 30/21 = 840/21 = 40

10. 32 ×24/16 = 2×24 =48