Question

1) 8 - 7\18 2) 4 - 1 8\9 3) 10-9 5\12 4)7- 106\21

Answer 1

Ответ:

Пошаговое объяснение:

1) 8 - 7/18 = 7 18/18 - 7 7/18 = 11/18

2) 4 - 1 8/9 = 3 9/9 - 1 8/9 = 2 1/9

3) 10 - 9 5/12 = 9 12/12 - 9 5/12 = 7/12

4) 7 - 106/21 = 7 - 5 1/21 = 6 21/21 - 5 1/21 = 1 20/21