:1
15.1
Exercice 1
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15.2
Exercice 2
:1
15.3
Exercice 3
:1
15.4
Exercice 4
:1
15.5
Exercice 5
:1
15.6
Exercice 6
:1
15.7
Exercice 7
:1
15.8
Exercice 8
:1
15.9
Exercice 9
:1
15.10
Exercice 10
:1
15.11
Exercice 11
:1
15.12
Exercice 12
:1
15.13
Exercice 13
:1
15.14
Exercice 14
:1
15.15
Exercice 15
:1
15.16
Exercice 16
:1
15.17
Exercice 17
:1
15.18
Exercice 18
