Question

Решите пожалуйста.Помогите .Буду рад

Answer 1

в)
-1 - 1/14 = -15/14
-2 - 1/3 = -7/3
15/14 * 7/3 = (7/14) * (15/3) = (1/2) * 5 = 5/2 = 2 + 1/2

г)
1 + 1/7 = 8/7
-2 - 2/7 = -16/7
8/7 * (-7/16) = (8/16) * (-7/7) = -1/2