. A. 4 B. 5 C. 6 D. 8 查看更多

 

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设A={4,5,6,8},B={3,5,7,8},则A∩B=(  )

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设A={4,5,6,8},B={3,5,7,8}则A∪B=(  )

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设A={4,5,6,8},B={3,5,7,8},则A∩B=( )
A.{5,8}
B.{3,4,5,6,7,8}
C.{x|3≤x≤8}
D.Φ

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设A={4,5,6,8},B={3,5,7,8}则A∪B=


  1. A.
    {3,4,5,7,8}
  2. B.
    {5,8}
  3. C.
    {3,4,5,6,7,8}
  4. D.

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设A={4,5,6,8},B={3,5,7,8},则A∩B=


  1. A.
    {5,8}
  2. B.
    {3,4,5,6,7,8}
  3. C.
    {x|3≤x≤8}
  4. D.
    Φ

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