Vul de getallen verder in, met sprongen tussen 20 en 50
Getallen
| 1. | 648 | < | 688 | < | < | < | |||
| 2. | 984 | < | < | 1.042 | < | < | |||
| 3. | 900 | < | < | < | 990 | < | |||
| 4. | 399 | < | < | < | 525 | < | |||
| 5. | 654 | < | < | < | 768 | < | |||
| 6. | < | 282 | < | 318 | < | < | |||
| 7. | < | 227 | < | < | 289 | < | |||
| 8. | < | < | < | 811 | < | 851 | |||
| 9. | < | < | < | 324 | < | 361 | |||
| 10. | 954 | < | 989 | < | < | < |