:1
2.1
Exercice 1
:1
2.2
Exercice 2
:1
2.3
Exercice 3
:1
2.4
Exercice 4
:1
2.5
Exercice 5
:1
2.6
Exercice 6
:1
2.7
Exercice 7
:1
2.8
Exercice 8
:1
2.9
Exercice 9
:1
2.10
Exercice 10
:1
2.11
Exercice 11
:1
2.12
Exercice 12
:1
2.13
Exercice 13
:1
2.14
Exercice 14
:1
2.15
Exercice 15
