Варіант 2. Номер 184
| 1) | 5 | + | 1 | = | 6 | = | 2 | ; |
| 9 | 9 | 9 | 3 |
| 2) | 8 | – | 2 | = | 6 | ; |
| 17 | 17 | 17 |
| 3) | 8 | – | 3 | + | 9 | = | 14 | ; |
| 25 | 25 | 25 | 25 |
| 4) | 21 | + | 31 | – | 9 | = | 43 | . |
| 57 | 57 | 57 | 57 |
| 1) | 5 | + | 1 | = | 6 | = | 2 | ; |
| 9 | 9 | 9 | 3 |
| 2) | 8 | – | 2 | = | 6 | ; |
| 17 | 17 | 17 |
| 3) | 8 | – | 3 | + | 9 | = | 14 | ; |
| 25 | 25 | 25 | 25 |
| 4) | 21 | + | 31 | – | 9 | = | 43 | . |
| 57 | 57 | 57 | 57 |