5/12 + 16/12 - 7/12
4/10 + 7/10 + 6/10
9/10 + 5/10 +1/10 - 3/10
8/5 + 6/5 - 3/5
9/12 + 7/12 + 2/12
24/19 - 9/19 + 13/19
12/10
18/12
4/5
11/5
17/10
14/12
28/19
