| Opération | Réponse | % Correct |
|---|---|---|
| 4x7= | 28 | 100%
|
| - -7 = | 35 | 87%
|
| + -4 = | -11 | 77%
|
| + 8 = | -14 | 77%
|
| x 2 = | -22 | 77%
|
| : -5 = | -7 | 77%
|
| : 2 = | -36 | 76%
|
| + -4 = | -40 | 76%
|
| × 3 = | -42 | 76%
|
| + -6 = | -48 | 76%
|
| x 7 = | 56 | 76%
|
| : -8 = | 6 | 76%
|
| - -8 = | 64 | 76%
|
| x 9 = | -72 | 76%
|
| + 2 = | 8 | 76%
|
| : -8 = | -8 | 76%
|
| : 5 = | -8 | 76%
|
| + 12 = | -15 | 75%
|
| - 10 = | -18 | 75%
|
| x -3 = | -27 | 75%
|
| : -2 = | 9 | 75%
|
| x -3 = | -150 | 70%
|
| + -4 = | 50 | 70%
|
| x 6 = | 54 | 70%
|
| : -10 = | 9 | 70%
|
| x 6 = | -90 | 70%
|
| - -50 = | -100 | 69%
|
| : 4 = | -25 | 69%
|
| + 30 = | 5 | 69%
|
| x -1 = | -5 | 69%
|