Ergänze die fehlenden Zahlen (2er Schritte)
Zahlenfolgen
| 1. | 7 | < | < | < | < | 15 | |||
| 2. | < | 11 | < | 13 | < | < | |||
| 3. | 19 | < | < | < | 25 | < | |||
| 4. | < | 16 | < | 18 | < | < | |||
| 5. | < | 3 | < | < | < | 9 | |||
| 6. | < | < | 6 | < | < | 10 | |||
| 7. | < | < | 21 | < | < | 25 | |||
| 8. | < | 10 | < | < | 14 | < | |||
| 9. | 5 | < | < | < | 11 | < | |||
| 10. | < | < | < | 21 | < | 23 |