Ergänze die fehlenden Zahlen (2er Schritte) [3]
Zahlenfolgen
| 1. | < | < | < | 14 | < | 16 | |||
| 2. | < | 12 | < | < | < | 18 | |||
| 3. | 2 | < | 4 | < | < | < | |||
| 4. | 9 | < | < | < | < | 17 | |||
| 5. | < | 12 | < | < | < | 18 | |||
| 6. | < | < | < | 18 | < | 20 | |||
| 7. | < | 8 | < | < | 12 | < | |||
| 8. | 10 | < | 12 | < | < | < | |||
| 9. | 6 | < | 8 | < | < | < | |||
| 10. | < | 6 | < | < | 10 | < |