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Andrelise
Dado A: {x ∈ R | -5 < x < 2}, B: {x ∈ R | -7 < x < 5}, C = [-9, 2], calcule en reto real:
A ∩ B B ∩ A ∪ C C ∩ B ∩ (A ∪ C) A ∪ B ∪ C
A: B: A ∩ B:
A ∩ B:
C: {x ∈ R | -7 < x < 2}
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