Exercice 1

 

Exercice 2

Exercice 3

 

Exercice 4

 

Exercice 5

 

Exercice 6

 

Exercice 7

 

Exercice 8

 

Exercice 9

 

Exercice 10

Exercice 11

 

Exercice 12

 

Exercice 13

 

Exercice 14

 

Exercice 15

 

Exercice 16