Vul de getallen verder in, met sprongen tussen 20 en 50
Getallen
| 1. | 249 | < | < | 307 | < | < | |||
| 2. | 988 | < | < | < | 1.048 | < | |||
| 3. | < | 239 | < | < | < | 338 | |||
| 4. | 443 | < | 485 | < | < | < | |||
| 5. | < | 556 | < | 605 | < | < | |||
| 6. | < | 942 | < | < | < | 1.080 | |||
| 7. | 379 | < | < | < | < | 487 | |||
| 8. | 512 | < | < | < | 605 | < | |||
| 9. | < | 211 | < | < | 307 | < | |||
| 10. | 703 | < | < | < | 817 | < |