Ergänze die fehlenden Zahlen (3er Schritte) [2]
Zahlenfolgen
| 1. | < | < | 15 | < | < | 21 | |||
| 2. | < | < | < | 29 | < | 32 | |||
| 3. | 3 | < | < | 9 | < | < | |||
| 4. | < | < | 27 | < | < | 33 | |||
| 5. | < | < | 14 | < | < | 20 | |||
| 6. | < | < | 7 | < | 10 | < | |||
| 7. | 10 | < | < | < | < | 22 | |||
| 8. | 18 | < | < | < | 27 | < | |||
| 9. | 21 | < | < | < | 30 | < | |||
| 10. | < | 12 | < | < | 18 | < |