| Hint | Answer | % Correct |
|---|---|---|
| 21 x 1 | 21 | 0%
|
| 21-0 | 21 | 0%
|
| 20+1 | 21 | 0%
|
| 10+11 | 21 | 0%
|
| 31-10 | 21 | 0%
|
| 32-11 | 21 | 0%
|
| 23-2 | 21 | 0%
|
| 3x7 | 21 | 0%
|
| 41-20 | 21 | 0%
|
| 6+15 | 21 | 0%
|
| 1000 x 0 + 21 | 21 | 0%
|
| (36+27)/3 | 21 | 0%
|
| 169-148 | 21 | 0%
|
| 7+420-406 | 21 | 0%
|
| 13+8 | 21 | 0%
|
| 21 x 777-16 | 21 | 0%
|
| 0(489 - 468)+3+3+3+3+3+3+3 | 21 | 0%
|