Question

Реши приклади даю 50б пожалуста 3 3/7-(1 1/5÷2 2/5)²=?
6 1/4•8-3 2/3÷5 1/2 +2 2/5•4 7/12=?

Answer 1

Пошаговое объяснение:

№1

1) (1 1/5 : 2 2/5)² = (6/5 : 12/5)² = (6/5 * 5/12)² = (6/12)² = (1/2)² = 1/4

2) 3 3/7 - 1/4 = 3 12/28 - 7/28 = 3 5/28

№2

1) 6 1/4 * 8 = 25/4 * 8 = 25/1 * 2 = 50/1 = 50

2) 3 2/3 : 5 1/2 = 11/3 : 11/2 = 11/3 * 2/11 = 2/3

3) 2 2/5 * 4 7/12 = 12/5 * 55/12 = 1/1 * 11/1 = 11/1 = 11

4) 50 - 2/3 = 49 1/3

5) 49 1/3 + 11 = 60 1/3