Question

(7-15/9:7/24)*17/20===

Answer 1

Пошаговое объяснение:

1) 15/9 : 7/24 = 15/9 * 24/7 = 15/3 * 8/7 = 120/21 = 5 15/21 = 5 5/7

2) 7 - 5 5/7 = 6 7/7 - 5 5/7 = 1 2/7

3) 1 2/7 * 17/20 = 9/7 * 17/20 = 153/140 = 1 13/140