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設(shè)全集I={0.1.2.3.4}.集合A={0.1.2.3}.集合B={2.3.4}.則= A.{0} B.{0.1} C.{0.1.4} D.{0.1.2.3.4} 查看更多

 

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設(shè)全集I={0,1,2,3,4,5,6,7},集合M={0,6,7},N={0,1,2,6},則M∪

[  ]

A.{0,1,2,6,7}

B.{0,3,4,5,6,7}

C.{1,2,3,4,5,7}

D.{0,1,2,3,4,5,6}

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設(shè)全集I={0,1,2,3,4,5,6,7},集合M={0,6,7},N={0,1,2,6},則M∪

[  ]

A.{0,1,2,6,7}

B.{0,3,4,5,6,7}

C.{1,2,3,4,5,7}

D.{0,1,2,3,4,5,6}

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設(shè)全集I={0,1,2,3,4},集合A={1,2,3},集合B={1,4},則(CIA)∪B=

[  ]

A.{0}

B.{0,4}

C.{0,1,4}

D.{0,1,2,3,4}

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設(shè)全集I={1,2,3,4,5},集合A={1,a2-1,4},={2,a+3},則實(shí)數(shù)a的值為

[  ]

A.-2

B.0

C.2

D.

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設(shè)全集I={0,1,2,3,4},集合A={0,2,4},B={0,1,3},則

[  ]

A.A∪=I
B.∩B=
C.=I
D.

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