Question

4 целых 1/7-(3 целых 2/7-х)=1 целая 3/7

Answer 1

4 1/7 - (3 2/7 - x) = 1 3/7

3 2/7 - x = 4 1/7 - 1 3/7

3 2/7 - x = 2 5/7

x = 3 2/7 - 2 5/7

x = 4/7

Ответ: 4/7