| Hint | Answer | % Correct |
|---|---|---|
| 2-(6/2) | -1 | 100%
|
| 2+2 | 4 | 100%
|
| 8*(7-2) | 40 | 100%
|
| 8-3 | 5 | 100%
|
| 18*(2+1) | 54 | 99%
|
| 7-(2.1*4.5) | -2.45 | 63%
|
| 7²=x-54 | x=103 | 25%
|
| 8x=(28*3)-14 | x=8.75 | 17%
|
| 20x=(8²-9)*(5+2) | x=19.25 | 16%
|
| 22*x=66-22 | x=44 | 9%
|