| 18 | 
| 30 | 
| 18÷6 | 
| 30÷6 | 
| 3 | 
| 5 | 
| 21 | 
| 28 | 
| 21÷7 | 
| 28÷7 | 
| 3 | 
| 4 | 
| 14 | 
| 49 | 
| 14÷7 | 
| 49÷7 | 
| 2 | 
| 7 | 
| 22 | 
| 121 | 
| 22÷11 | 
| 121÷11 | 
| 2 | 
| 11 | 
| 16 | 
| 40 | 
| 16÷8 | 
| 40÷8 | 
| 2 | 
| 5 | 
所以
| 3 | 
| 4 | 
| 3 | 
| 5 | 
| 2 | 
| 5 | 
| 2 | 
| 7 | 
| 2 | 
| 11 | 
故答案为:
| 22 | 
| 121 | 
| 14 | 
| 49 | 
| 16 | 
| 40 | 
| 18 | 
| 30 | 
| 21 | 
| 28 | 
| 18 | 
| 30 | 
| 21 | 
| 28 | 
| 14 | 
| 49 | 
| 22 | 
| 121 | 
| 16 | 
| 40 | 
| 18 | 
| 30 | 
| 18÷6 | 
| 30÷6 | 
| 3 | 
| 5 | 
| 21 | 
| 28 | 
| 21÷7 | 
| 28÷7 | 
| 3 | 
| 4 | 
| 14 | 
| 49 | 
| 14÷7 | 
| 49÷7 | 
| 2 | 
| 7 | 
| 22 | 
| 121 | 
| 22÷11 | 
| 121÷11 | 
| 2 | 
| 11 | 
| 16 | 
| 40 | 
| 16÷8 | 
| 40÷8 | 
| 2 | 
| 5 | 
| 3 | 
| 4 | 
| 3 | 
| 5 | 
| 2 | 
| 5 | 
| 2 | 
| 7 | 
| 2 | 
| 11 | 
| 22 | 
| 121 | 
| 14 | 
| 49 | 
| 16 | 
| 40 | 
| 18 | 
| 30 | 
| 21 | 
| 28 |