Question

ПЖ СРОЧНО!!!!
(7-1 1/2 х 2 2/5) : 2 4/15.

Answer 1

Ответ:

Пошаговое объяснение:

(7 - 1 1/2 * 2 2/5) : 2 4/15 = 1 1/2

1) 1 1/2 * 2 2/5 = 3/2 * 12/5 = 18/5 = 3 3/5

2) 7 - 3 3/5 = 3 2/5

3) 3 2/5 : 2 4/15 = 17/5 : 34/15 = 17/5 * 15/34 = 3/2 = 1 1/2