Question

7. Обчисли:
2 1/2 : (10-7 / /2 · 1 // ) =

Answer 1

Пошаговое объяснение:

1) 7 1/12 * 1 1/5 = 85/12 * 6/5 = 17/2 * 1/1 = 17/2 = 8 1/2

2) 10 - 8 1/2 = 9 2/2 - 8 1/2 = 1 1/2

3) 2 1/4 : 1 1/2 = 9/4 : 3/2 = 9/4 * 2/3 = 3/2 * 1/1 = 3/2 = 1 1/2