Ergänze die fehlenden Zahlen (2er Schritte)
Zahlenfolgen
| 1. | 7 | < | < | < | < | 15 | |||
| 2. | 7 | < | < | 11 | < | < | |||
| 3. | < | 8 | < | < | 12 | < | |||
| 4. | 20 | < | < | < | 26 | < | |||
| 5. | < | < | 18 | < | 20 | < | |||
| 6. | < | 4 | < | < | < | 10 | |||
| 7. | 2 | < | < | < | 8 | < | |||
| 8. | < | 24 | < | 26 | < | < | |||
| 9. | 12 | < | < | < | 18 | < | |||
| 10. | 21 | < | 23 | < | < | < |