1
7 ○ 13 20, what is ○? =
2
18 ○ 6 24, what is ○? =
6
26 ○ 42 68, what is ○? =
8
45 ○ 21 66, what is ○? =
11
12 ○ 8 96, what is ○? =
12
39 ○ 4 35, what is ○? =
13
47 ○ 40 7, what is ○? =
14
6 ○ 5 30, what is ○? =
17
2 ○ 11 22, what is ○? =
19
4 ○ 8 32, what is ○? =