- 4 ○ 3 = 12, what is ○?
- 6 ○ 5 = 30, what is ○?
- 5 ○ 1 = 4, what is ○?
- 7 ○ 5 = 12, what is ○?
- 10 ○ 6 = 60, what is ○?
- 45 __ 5 = 9
- 4 ○ 2 = 2, what is ○?
- 8 ○ 6 = 48, what is ○?
- 6 ○ 8 = 48, what is ○?
- 1 ○ 4 = 5, what is ○?
- 63 __ 9 = 7
- 10 ○ 5 = 5, what is ○?
- 7 __ 9 = 16
- 6 __ 2 = 3
- 8 __ 10 = 18
- 9 ○ 3 = 12, what is ○?
- 8 __ 2 = 10
- 80 ○ 8 = 10, what is ○?
- 15 ○ 5 = 10, what is ○?
- 8 __ 5 = 40