Question

Выполните действия:5/6*9/15-5/12*4/15; 7/18*9/14+1/3*6/7; 9/20*2/3+5/14*7/25 ; 3 3/4*2/5-3 6/25*5/27; 2 2/5*5/6-3/4*1 2/3; 1 17/28*7/9+14/25*5/7.

Answer 1

1)=7/18
2)=15/28
3)=2/5
4)=9/10
5)=3/4
6)=1 целых 13/20