Vul de getallen verder in, met sprongen tussen 20 en 50
Getallen
| 1. | < | < | 236 | < | < | 288 | |||
| 2. | 909 | < | < | 981 | < | < | |||
| 3. | 632 | < | 661 | < | < | < | |||
| 4. | < | < | < | 309 | < | 331 | |||
| 5. | < | 415 | < | < | 465 | < | |||
| 6. | < | < | 817 | < | < | 875 | |||
| 7. | 665 | < | < | 749 | < | < | |||
| 8. | < | < | < | 932 | < | 952 | |||
| 9. | < | 517 | < | 544 | < | < | |||
| 10. | < | 855 | < | < | < | 1.002 |