Question

3\5:9\10-3/5•8/9
Решите пжлст по действиям

Answer 1

3\5:9\10-3\5*8\9=3\5*10\9-3\5-8\9=3\5*(10\9-8\9)=3\5*2\9=2\15

Answer 2

3/5 : 9/10 - 3/5 × 8/9= 2/15

1) 3/5 : 9/10= (3•10)/(5•9)= 2/3

2) 3/5 × 8/9= (3•8)/(5•9)= 8/15

3) 2/3 - 8/15= 10/15 - 8/15= 2/15