NUMERATION

- Exercices n°1 ---- Exercices n°2 ---- Exercices n°3 ---- Exercices n°4 ---- Exercices n°5
- Exercices n°6 ---- Exercices n°7---- Exercices n°8 ---- Exercices n°9 ---- Exercices n°10
- Exercices n°11--- Exercices n°12 -- Exercices n°13 ---Exercices n°14 ----Exercices n°15
- Exercices n°16 --Exercices n°17