tolong yaa, jawab soal di gambar itu dan jelaskan bagaimana pembahasannya?

1. 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15.
2. 1, 2 ,3, 4, 5, 6, 7, 11, 12.
3. 5, 6, 7, 8, 9, 10 12, 13.
4. 5, 6, 7, 12.
5. 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13,
6. 8,9 10, 13, 14, 15.
7. 1,2, 3, 4, 11, 14, 15.
8. 1, 2, 3, 4, 8, 9, 10, 11, 13, 14, 15.
9. 14, 15.