15
1,3,5,15
12
4
1,2,4
3-2/5
17/5
15/2
7-1/2
2-1/3 + 5-1/3 =
7-2/3
5-4/6 - 2-3/6 =
5-1/6
17-10/13 + 13-9/13 =
31-6/13
13-29/17 - 2-15/17 =
10-14/17
16
1,2,4,8,16
15
5
1,5
6-5/8
53/8
31/4
7-3/4
4-6/8 + 6-1/8 =
10-7/8
10-7/9 - 4-2/9 =
6-5/9
37-18/31 + 17-20/31 =
55-7/31
26-68/48 - 20-59/48 =
5-9/48
3
1,3
15
20
1,5
9-6/10
96/10
49/3
16-1/3
5-100/200 + 60-75/200 =
65-175/200
20-12/15 - 14-9/15 =
6-3/15
46-21/42 + 19-22/42 =
66-1/42
40-87/57 - 21-41/57 =
18-46/57
12
1,2,3,4,6,12
6
14
1,2
12-4/8
100/8
130/3
43-1/3
70-75/150 + 69-74/150 =
139-149/150
42-17/21 - 23-8/21 =
19-9/21
67-62/75 + 30-18/75 =
98-5/75
89-127/86 - 66-66/86 =
22-67/86
20
1,2,4,5,10,20
12
18
1,2,3,6
15-8/3
53/3
205/8
25-5/8
25-23/100 + 50-29/100 =
75-52/100
84-40/43 - 72-26/43 =
12-14/43
86-74/97 + 21-27/97 =
108-4/97
100-179/97 - 79-93/97 =
20-86/97