Ergänze die fehlenden Zahlen (1er Schritte) [2]
Zahlenfolgen
| 1. | < | < | 21 | < | < | 23 | |||
| 2. | < | 43 | < | < | 45 | < | |||
| 3. | < | 72 | < | < | 74 | < | |||
| 4. | < | < | 30 | < | < | 32 | |||
| 5. | < | 29 | < | < | 31 | < | |||
| 6. | 77 | < | < | < | 80 | < | |||
| 7. | 82 | < | 83 | < | < | < | |||
| 8. | 87 | < | < | 89 | < | < | |||
| 9. | < | 67 | < | < | < | 70 | |||
| 10. | < | 76 | < | 77 | < | < |