Вычислите (12 5/22+7 17/22)-(13 7/23- 9 25/23)

Question

Вычислите (12 5/22+7 17/22)-(13 7/23- 9 25/23)

Answer 1

Там 12×5? 7×17?13×7?9×25?

Answer 2

1)12 5/22+7 17/22=19 22/22=20
2)13 7/23- 9 25/23=3 5/23
3)20- 3 5/23=16 18/23
Ответ:16 18/23