| Hint | Answer | % Correct |
|---|---|---|
| 1x-1 | -1 | 100%
|
| 141+613 | 754 | 99%
|
| 135+12 | 147 | 97%
|
| 594x2 | 1188 | 92%
|
| 628-135 | 493 | 92%
|
| 412+564 | 976 | 87%
|
| 51--51 | 102 | 85%
|
| 2^4 | 16 | 85%
|
| 5-764 | -759 | 85%
|
| 513+642 | 1155 | 84%
|
| 512 | 23 | 84%
|
| 13.3+13.6 | 26.9 | 84%
|
| 581-351 | 230 | 83%
|
| 192x3 | 576 | 83%
|
| 3562-2969 | 593 | 80%
|