Выполните действия: (7/15-1/6)+2/5 (3/8-1/9+25/36 (8/9-5/6)+2/3 (7/8-13/20)+9/10 (

Question

Выполните действия:
(7/15-1/6)+2/5
(3/8-1/9+25/36
(8/9-5/6)+2/3
(7/8-13/20)+9/10
(

Answer 1

1) =7/10
2)=23/24
3)=13/18
4)=9/8