5×3per 17 pakai cara besok dikumpulin 6×2 per 10 4 per 5 ×15

5 × 3 / 17 = 15/17 = 0,822

6 × 2 / 10 = 12/10 = 1,2

4/5 × 15 = 12 .

5x3/17 = 15/17 = 0,882

6x2/10 = 12/10 = 6/5 = 1 1/5 = 1,2

4/5 x 15 = 4 x 3 = 12

semoga terbantu :)