1
9 ○ 12 108, what is ○? =
2
27 ○ 45 72, what is ○? =
8
10 ○ 6 60, what is ○? =
9
12 ○ 6 72, what is ○? =
10
46 ○ 20 66, what is ○? =
11
59 ○ 26 33, what is ○? =
15
11 ○ 7 77, what is ○? =
16
70 ○ 38 32, what is ○? =
17
60 ○ 10 6, what is ○? =
18
98 ○ 48 50, what is ○? =