Вичеслите: (12 5/22+7 17/22)-(13 7/23-9 15/23)

Question

Вичеслите: (12 5/22+7 17/22)-(13 7/23-9 15/23)

Answer 1

(12 5/22+7 17/22)-(13 7/23-9 15/23=28 8/23

1)12 5/22+7 17/22=30

2)13 7/23-9 15/23=1 15/23

3)30-1 15/23=29 23/23-1 15/23=28 8/23