réponse obligatoire
Question 1
Question 2
Question 3
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Question 4
Question 5
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Question 6
Question 7
Question 8
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Question 9
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Question 10
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Question 11
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Question 12
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Question 13
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Question 14
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Question 15
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Question 16
Question 17
Question 18
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Question 19
Question 20
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Question 21
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Question 22