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题型:填空题难度:一般来源:不详
U="{1,2,3,4,5}," A="{1,2,3}," B="{2,4}," 则A        
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试题【设U="{1,2,3,4,5}," A="{1,2,3}," B="{2,4}," 则A∪ =        】;主要考察你对集合运算等知识点的理解。[详细]
举一反三
已知U为实数集,M={x|x2-2x<0},N={x|y=},则M∩(CUN)= (   )
A.B.C.D.

题型:单选题难度:一般| 查看答案
设集合,则
A.B.
C.D.

题型:单选题难度:一般| 查看答案
,且,若,则实数P的值为
A.-4B.4C.-6D.6

题型:单选题难度:一般| 查看答案
已知全集U={1,2,3,4,5,6,7,8},M ={1,3,5,7},N ={5,6,7},则(CUM)∩ ( CUN)="                                           " (  )
A.{5,7}B.{2,4}C.{2,4,8}D.{1,3,5,6,8}

题型:单选题难度:简单| 查看答案
集合,若,分别求实数pab的值。
题型:解答题难度:简单| 查看答案
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