Ergänze die fehlenden Zahlen (2er Schritte) [2]
Zahlenfolgen
| 1. | 81 | < | < | < | < | 89 | |||
| 2. | 31 | < | 33 | < | < | < | |||
| 3. | < | 59 | < | 61 | < | < | |||
| 4. | < | < | < | 11 | < | 13 | |||
| 5. | 55 | < | < | < | < | 63 | |||
| 6. | 62 | < | < | < | 68 | < | |||
| 7. | < | 88 | < | 90 | < | < | |||
| 8. | < | 4 | < | < | 8 | < | |||
| 9. | 77 | < | < | 81 | < | < | |||
| 10. | < | 25 | < | < | 29 | < |