Contenu du cours. 1- Correction ex. 19 p. 183. 2- Correction ex. 20 p. 183. 3- Correction ex. 22 p. 183. 4- Ex. 53 p. 188. 5- Correction ex. 53 p. 188. 6- Ex. 54 p. 188 (1/2) 7- Ex. 54 p. 188 (2/2) 8- Correction ex. 54 p. 188 (1/2) 9- Correction ex. 54 p. 188 (2/2) 10- Leçon (1/2) 11- Leçon (2/2) 12- Ex. 21 p. 183.