apo1ynaria666

Ответ:

1) 5/8 • 4/7 = 5/2 • 1/7 = 5/14

2) 3/8 • 1/5 = 3/40

3) 2/5 • 4/7 = 8/35

4) 5/7 • 3/4 = 15/28

5) 1/7 • 3/11 = 3/77

6) 3/8 • 4/5 = 3/2 • 1/5 = 3/10

DarugauKail

Ответ:

Пошаговое объяснение:1) 5/9 * 4/7 =  20/63

2) 3/8 * 1/5 = 3/40

3) 2/5 * 4/7 = 8/35

4) 5/7 * 3/4 = 15/28

5) 1/7 * 3/11 = 3/77

6) 3/8 * 4/5 = 3/2 * 1/5 = 3/10