Question

Помогите пж! Дам 100 балов!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

Answer 1

Пошаговое объяснение:

№11

8 3/4 * 1 3/14 = 35/4 * 17/14 = 5/4 * 17/2 = 85/8 = 10 5/8

№12

1 3/5 : 5 1/3 = 8/5 : 16/3 = 8/5 * 3/16 = 1/5 * 3/2 = 3/10