CORRIGES:
EXERCICE II:
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EXERCICE III:
1.
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EXERCICE IV:
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EXERCICE V:
1.
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EXERCICE VI:
1.
a) -5 ≤ x <7 <= >x ∈ [-5,7[
b)4≤x≤18. <= >x ∈ [4,18]
c)3<x≤8. <= >x ∈ ]3,8]
d)-12<x<15 <= >x ∈ ]-12,15[
e) x>1<= >x ∈ ]1, →[
f) x< -33<= >x ∈ ]←,33[
2.
a) x ∈ [-2,1] <= > -2≤x≤1
b) x ∈ ]4,8]
<= > 4<x≤8
c) x ∈ ]0,10[ <= > 0<x<10
d) x ∈ [-6,1[ <= > -6≤x<1
e) x ∈ [-6,→[ <= > x≥-6
f) x ∈ ]←,1] <= > x≤1