kaka yg bisa tolong dong pliisss....

1. 6/1 - 7/5 = 23/5
2. 10/1 × 63/4 =152/2
3. 82/7 : 12 = 41/42
4. (15/2 ×2) + (9/4×5)=15 + 12,25 = 12,40 kg
5. (12×15/2) +(31/2 × 10) = 45 + 155 = 200 m
semoga bermanfat