1/24+5/6 =? 9/13+5/6
5/42 + 7/14
5/42 + 3/14
5/17 + 2/51
17/36 + 5/18
4/15 + 13/45
5/42 + 3/14
5/17 + 2/51
11/15 + 9/10
9/10 - 11/15
2/9 + 5/12
1/6 + 7/15
7/15 - 1/6
4/12 + 2/21
4/12 - 2/21
1/4 - 1/6
3/4 - 2/7
1/2 + 3/7
8/9 - 1/2
1/6 + 1/8
11/12 - 3/8
надо решить срочно надо