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6.1
Exercice 1
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6.2
Exercice 2
:1
6.3
Exercice 3
:1
6.4
Exercice 4
:1
6.5
Exercice 5
:1
6.6
Exercice 6
:1
6.7
Exercice 7
:1
6.8
Exercice 8
:1
6.9
Exercice 9
:1
6.10
Exercice 10
:1
6.11
Exercice 11
:1
6.12
Exercice 12
:1
6.13
Exercice 13
:1
6.14
Exercice 14
:1
6.15
Exercice 15
:1
6.16
Exercice 16
:1
6.17
Exercice 17