- 2 __ 7 = 14
- 7 __ 6 = 1
- 18 ○ 10 = 8, what is ○?
- 36 __ 9 = 4
- 90 ○ 9 = 10, what is ○?
- 2 __ 9 = 11
- 15 ○ 3 = 5, what is ○?
- 5 ○ 9 = 45, what is ○?
- 9 __ 4 = 36
- 10 ○ 2 = 12, what is ○?
- 10 __ 5 = 5
- 8 ○ 5 = 3, what is ○?
- 8 ○ 4 = 12, what is ○?
- 9 ○ 10 = 90, what is ○?
- 3 ○ 2 = 1, what is ○?
- 7 __ 1 = 8
- 4 ○ 9 = 13, what is ○?
- 15 ○ 9 = 6, what is ○?
- 5 __ 8 = 13
- 36 ○ 4 = 9, what is ○?