1
36 ○ 3 12, what is ○? =
3
16 ○ 18 34, what is ○? =
8
3 ○ 10 30, what is ○? =
10
44 ○ 11 55, what is ○? =
13
48 ○ 12 4, what is ○? =
15
2 ○ 5 10, what is ○? =
17
50 ○ 40 90, what is ○? =
18
25 ○ 3 22, what is ○? =
19
20 ○ 13 7, what is ○? =
20
73 ○ 38 35, what is ○? =