Question

А)(1-1/2):(1/2-1/3) б)(1/3+1/4):(2-5/6) в)1/2+1/4-2/5):4/5

Answer 1

Решение во вложение. Удачи;)

Answer 2

a) (1 - 1/2) / (1/2 - 1/3) = (1/2) / (1/6) = 3

b) (1/3 + 1/4) / (2 - 5/6) = (7/12) / (7/6) = 1/2

c) (1/2 + 1/4 - 2/5) / (4/5) = (10/20 + 5/20 - 8/20) / (4/5) = 7/16