- 8 ○ 8 = 64, what is ○?
- 8 __ 2 = 16
- 80 ○ 10 = 8, what is ○?
- 4 ○ 5 = 9, what is ○?
- 7 __ 5 = 2
- 6 __ 7 = 42
- 36 ○ 6 = 6, what is ○?
- 7 ○ 6 = 42, what is ○?
- 6 __ 8 = 48
- 5 __ 3 = 2
- 1 ○ 5 = 6, what is ○?
- 2 __ 6 = 12
- 9 ○ 6 = 3, what is ○?
- 10 __ 8 = 2
- 8 __ 9 = 17
- 4 ○ 2 = 2, what is ○?
- 7 __ 10 = 70
- 80 __ 10 = 8
- 12 __ 4 = 8
- 2 ○ 3 = 6, what is ○?