1.设全集则等于( ) A. B.{2.4.7.8} C.{1.3.5.6} D.{2.4.6.8} 【查看更多】

 

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设全集U = {1,2,3,4,5,6,7,8},集合S = {1,3,5},T = {3,6},则等于

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

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设全集U = {1,2,3,4,5,6,7,8},集合S = {1,3,5},T = {3,6},则等于

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

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设全集U={1,2,3,4,5,6,7,8},集合S={1,3,5},T={3,6},则(S∪T)等于

[  ]
A.

B.

{2,4,7,8}

C.

{1,3,5,6}

D.

{2,4,6,8}

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设全集U={1,2,3,4,5,6,7,8},集合S={1,3,5},T={3,7},则(S∪T)等于

[  ]
A.

B.

{2,4,7,8}

C.

{1,3,5,6}

D.

{2,4,6,8}

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设全集U={1,2,3,4,5,6,7,8},集合S={1,3,5},T={3,6},则U(S∪T)等于

[  ]

A.

B.{2,4,7,8}

C.{1,3,5,6}

D.{2,4,6,8}

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