(5 1/14-1 9/14)-( 11/14 + 5/14)=
Решите задачу:
1. 5 1/14 - 1 9/14= 3 3/7 2. 11/14 + 5/14= 1 1/7 3. 3 3/7-1 1/7= 2 2/7