Question

Помогите решить: 3/10×1 1/6×2 6/7

Answer 1

3/10 * 1 1/6 * 2 6/7 = 1

1) 3/10 * 1 1/6 = 3/10 * 7/6 = 7/20

2) 7/20 * 2 6/7 = 7/20 * 20/7 = 1