- 7 __ 4 = 11
- 5 ○ 8 = 13, what is ○?
- 16 ○ 6 = 10, what is ○?
- 8 ○ 10 = 80, what is ○?
- 4 ○ 10 = 14, what is ○?
- 11 __ 6 = 5
- 40 ○ 5 = 8, what is ○?
- 4 __ 9 = 36
- 10 ○ 5 = 15, what is ○?
- 5 __ 7 = 35
- 100 __ 10 = 10
- 2 __ 4 = 6
- 60 __ 6 = 10
- 7 ○ 10 = 17, what is ○?
- 5 __ 4 = 20
- 7 __ 2 = 9
- 13 __ 9 = 4
- 2 ○ 6 = 8, what is ○?
- 1 ○ 2 = 3, what is ○?
- 8 ○ 6 = 48, what is ○?