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9.1
Exercice 1
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9.2
Exercice 2
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9.3
Exercice 3
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9.4
Exercice 4
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9.5
Exercice 5
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9.6
Exercice 6
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9.7
Exercice 7
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9.8
Exercice 8
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9.9
Exercice 9
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9.10
Exercice 10
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9.11
Exercice 11
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9.12
Exercice 12
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9.13
Exercice 13
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9.14
Exercice 14
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9.15
Exercice 15
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9.16
Exercice 16