| p. 76 | Exercices | exemple corrigé - 1 - 2 - 3 - 4 - 5 |
| p. 77 | Exercices | 6 - 7 - 8 - 9 |
| p. 78 | Exercices | 10 - 11 |
| p. 79 | Exercices | 12 - 13 - 14 - 15 |
| p. 80 | Exercices | 1 - 2 - 3 - 4 - 5 - 6 - 7 - 8 - 9 - 10 |
| p. 81 | Exercices | 1 - 2 - 3 - 4 - 5 |
| p. 82 | Exercices | 6 - 7 - 8 |