Vul de getallen verder in, met sprongen van 2
Getallen
| 1. | < | 688 | < | 690 | < | < | |||
| 2. | < | 987 | < | 989 | < | < | |||
| 3. | 567 | < | 569 | < | < | < | |||
| 4. | 303 | < | < | < | < | 311 | |||
| 5. | < | < | 408 | < | 410 | < | |||
| 6. | 312 | < | < | < | 318 | < | |||
| 7. | 25 | < | < | < | 31 | < | |||
| 8. | 418 | < | 420 | < | < | < | |||
| 9. | 642 | < | < | 646 | < | < | |||
| 10. | 535 | < | < | 539 | < | < |