| Exercise no. 1 (PDF) | Exercise no. 9 (PDF) |
| Exercise no. 2 (PDF) | Exercise no. 10 (PDF) |
| Exercise no. 3 (PDF) | Exercise no. 11 (PDF) |
| Exercise no. 4 (PDF) | Exercise no. 12 (PDF) |
| Exercise no. 5 (PDF) | Exercise no. 13 (PDF) |
| Exercise no. 6 (PDF) | Exercise no. 14 (PDF) |
| Exercise no. 7 (PDF) | Exercise no. 15 (PDF) |
| Exercise no. 8 (PDF) |