Ergänze die fehlenden Zahlen (3er Schritte)
Zahlenfolgen
| 1. | 18 | < | < | 24 | < | < | |||
| 2. | < | < | < | 27 | < | 30 | |||
| 3. | < | 13 | < | 16 | < | < | |||
| 4. | 7 | < | 10 | < | < | < | |||
| 5. | 18 | < | < | < | < | 30 | |||
| 6. | < | < | < | 14 | < | 17 | |||
| 7. | < | < | < | 23 | < | 26 | |||
| 8. | < | < | < | 25 | < | 28 | |||
| 9. | 7 | < | < | < | < | 19 | |||
| 10. | 14 | < | 17 | < | < | < |