Question

(7 5/7+4 3/7-2 1/7)-(4 2/9-2 4/9+1/9)

Answer 1

Ответ:

8 1/9

Пошаговое объяснение:

1. 7 5/7+4 3/7=11 8/7=12 1/7
2. 12 1/7-2 1/7=10
3. 4 2/9-2 4/9=3 11/9-2 4/9=1 7/9
4. 1 7/9+1/9=1 8/9
5. 10-1 8/9=9 9/9-1 8/9=8 1/9