Question

r) 7/8 - 3/8 2/7 + 2/7 5/9 - 3/9 1/5 + 2/5 помогите дроби

Answer 1

Ответ:

1) 7/8 - 3/8 = 4/8 = 1/2

2) 2/7 + 2/7 = 4/7

3) 5/9 - 3/9 = 2/9

4) 1/5 + 2/5 = 3/5