Question

Срочно помогите!! Даю 50 баллов

Answer 1

Пошаговое объяснение:

а

1) |2 5/6| + |-7/9| = 2 5/6 + 7/9 = 2 30/36 + 28/36 = 2 58/36 = 3 22/36 = 3 11/18

2) 3 11/18 - |-1 17/18| = 3 11/18 - 1 17/18 = 2 29/18 - 1 17/18 = 1 12/18 = 1 2/3

б

3 9/14 - (-2 5/21) = 3 9/14 + 2 5/21 = 3 27/42 + 2 10/42 = 5 37/42