1
14 ○ 40 54, what is ○? =
3
48 ○ 45 3, what is ○? =
4
65 ○ 42 23, what is ○? =
6
13 ○ 8 21, what is ○? =
7
7 ○ 11 77, what is ○? =
9
2 ○ 11 22, what is ○? =
11
58 ○ 16 42, what is ○? =
15
4 ○ 8 32, what is ○? =
16
6 ○ 9 54, what is ○? =
18
50 ○ 5 10, what is ○? =
19
12 ○ 4 3, what is ○? =