| Działanie | Odpowiedź | % Poprawnych |
|---|---|---|
| 1000+1000 | 2000 | 87%
|
| 468+1682 | 2150 | 81%
|
| 2863+7462 | 10325 | 67%
|
| 683+278 | 961 | 59%
|
| 333+99999 | 100332 | 51%
|
| 9258+26482 | 35740 | 49%
|
| 80637+128649 | 209286 | 41%
|
| 80528+1329 | 81857 | 41%
|
| 214512548+199999999 | 414512547 | 16%
|
| 987654321+123456789 | 1111111110 | 13%
|