1.已知集合U={1,2,3,4,5,6,7,8} A={2,5,8}, B={1,3,5,7},那么(CUA)∩B等于 ( ) {1,3,7} {1,2,3,4,6,7, 8} 【查看更多】

 

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已知集合U={1,2,3,4,5,6,7,8},M={1,3,5,7},N={5,6,7},则右图中的阴影部分表示的集合是(   )

      

A.{5,7}        B.{2,4} 

C.{2,4,8}      D.{1,3,5,6,7}

 

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已知集合U={1,2,3,4,5,6,7,8},M={1,3,5,7},N={5,6,7},则右图中的阴影部分表示的集合是(   )
      

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

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(12分)已知全集U={1,2,3,4,5,6,7,8,9,10,11,13},集合A={2,4,6,8},B={3,4,5,6,8,9,11},求:

(1)A∪B 

(2)CUA 

(3)CU(A∩B)

(4)A∪(CUB)

 

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(12分)已知全集U={1,2,3,4,5,6,7,8,9,10,11,13},集合A={2,4,6,8},B={3,4,5,6,8,9,11},求:
(1)A∪B 
(2)CUA 
(3)CU(A∩B)
(4)A∪(CUB)

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已知全集U={1,2,3,4,5,6,7,8,9,10,11,13},集合A={2,4,6,8},B={3,4,5,6,8,9,11},求:

(1)A∪B

(2)CUA

(3)CU(A∩B)
(4)A∪(CUB)

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