-2/9+(2/9-3/4) 4/7-(5/11-3/7) 3 5/6+(-5/6-1/7) 3/8-(1/9-5/8) ​

Ответ:

Пошаговое объяснение:

-2/9+(2/9-3/4) = -2/9 + 2/9 - 3/4 = -3/4

4/7-(5/11-3/7) = 4/7 - 5/11 + 3/7 = 1 - 5/11 = 6/11

3 5/6+(-5/6-1/7) = 3 5/6 - 5/6 - 1/7 = 3 - 1/7 = 2 6/7

3/8-(1/9-5/8) ​= 3/8 - 1/9 + 5/8 = 1 - 1/9 = 8/9