СДЕЛАЙТЕ СРОЧНО ПОЖАЛУЙСТА 4 5​

Пошаговое объяснение:

№4

1) 1 3/5 · 5/7 = 8/5 · 5/7 = 8·5/5·7 = 8/7 = 1 1/7

2) 10 2/3 · 3/8 = 32/3 · 3/8 = 32·3/3·8 = 4/1 = 4

3) 4 4/5 · 5/6 = 24·5/5·6 = 4/1 = 4

4) 5 1/4 · 2/7 = 21·2/4·7 = 3/2 = 1 1/2

1) 1 1/5 · 5 5/9 = 6/5 · 50/9 = 6·50/5·9 = 6 2/3

2) 1 3/7 · 2 4/5 = 10·14/7·5 = 4/1 = 4

3) 1 1/7 · 2 5/8 = 8·21/7·8 = 3/1 = 3

4) 3 1/3 · 2 1/10 = 10·21/3·10 = 7/1 = 7

№5

1) 1/7 · 1/7 = 1/49

2) 1/4 · 1/4 = 1/16

3) 3/5 · 3/5 = 9/25

4) 1 1/3 · 1 1/3 = 4·4/3·3 = 16/9 = 1 7/9

1) 1/4 · 1/4 · 1/4 = 1/64

2) 2/3 · 2/3 · 2/3 = 8/27

3) 3/10 · 3/10 · 3/10 = 27/1000

4) 1 1/3 · 1 1/3 · 1 1/3 = 4/3 · 4/3 · 4/3 = 64/27