| # | Opérations | Réponses | % Correct |
|---|---|---|---|
| 1 | 1-2 | -1 | 100%
|
| 2 | +3 | 2 | 98%
|
| 3 | -4 | -2 | 97%
|
| 4 | +5 | 3 | 97%
|
| 5 | -6 | -3 | 97%
|
| 6 | +7 | 4 | 97%
|
| 7 | -8 | -4 | 97%
|
| 8 | +9 | 5 | 97%
|
| 9 | -10 | -5 | 96%
|
| 10 | x2 | -10 | 95%
|
| 11 | x(-3) | 30 | 91%
|
| 12 | -60 | -30 | 90%
|
| 13 | +120 | 90 | 88%
|
| 14 | -200 | -110 | 86%
|
| 15 | +300 | 190 | 80%
|
| 16 | -500 | -310 | 70%
|
| 17 | +800 | 490 | 61%
|
| 18 | -1001 | -511 | 38%
|
| 20 | x0 | 0 | 30%
|
| 19 | +1999 | 1488 | 19%
|