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Sagot :

Réponse:

1. x € ( - 3 , 2 ]

2 x € ( - infini , - 4 ) U ( - 1/2 , infini )

3. x € ( - infini , 2/2 ) U ( [ 2 , infini )

4. x € ( - 1 , 2 )

5. x € ( - 7 , 7 ]

6. x € ( - 5 , - 3/2 ] U [ 3/2 , 5 )

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