Vul de getallen verder in, met sprongen tussen 20 en 50
Getallen
| 1. | < | 240 | < | 272 | < | < | |||
| 2. | 704 | < | < | < | < | 784 | |||
| 3. | 212 | < | < | < | < | 312 | |||
| 4. | 913 | < | < | < | < | 1.009 | |||
| 5. | 785 | < | < | < | < | 913 | |||
| 6. | < | < | 394 | < | < | 488 | |||
| 7. | < | < | 423 | < | 450 | < | |||
| 8. | < | 415 | < | < | 491 | < | |||
| 9. | < | < | 383 | < | < | 449 | |||
| 10. | 953 | < | < | 999 | < | < |