| | | 3 | | | | 1. 1 | | 1 | | | | 2 | | 2. 6 | | 3 1 1 | 1 3 | 2 3 | 6 | 3. 15 | 15 | 15 | | | | | 4. 3 | | | | | 3 | | 5. 24 | | | | 12 | 18 | 24 | | 6. 44 | 8 | 44 36 | | | | | 3 36 | | 7. 24 | | | 3 24 10 | 5 3 | 5 6 10 | 5 6 5 | 10 9 10 15 | 12 15 20 18 | 20 24 | 8. 1 | | 1 10 5 | 10 20 10 20 | 15 1 | | 9. 60 | 60 | | | 1 | | | | | |