已知全集U={1,2,3,4,5,6,7,8},A={1,4,6},B={4,5,7},则(CUA)∩(CUB)等于( )A.{2,3,4,8}B.{2,3,
题型:单选题难度:简单来源:不详
已知全集U={1,2,3,4,5,6,7,8},A={1,4,6},B={4,5,7},则(CUA)∩(CUB)等于( )A.{2,3,4,8} | B.{2,3,8} | C.{2,4,8} | D.{3,4,8} |
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答案
∵(CUA)={2,3,5,7,8},(CUB)={1,2,3,6,8 }, ∴(CUA)∩(CUB)={2,3,5,7,8}∩{1,2,3,6,8 }={2,3,8}, 故选B. |
举一反三
集合S={1,4,5},T={2,3,4},则S∩T等于( )A.{1,4,5,6} | B.{4} | C.{1,5} | D.{1,2,3,4,5} |
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已知集合A={1,2,m},B={3,4},A∪B={1,2,3,4}则m=( ) |
设全集U={1,2,3,4,5,6,7,8},A={1,2,3 },B={3,4,5,6}则图中阴影部分所表示的集合为______. |
已知全集U={1,2,3},且CUA={1,2},则集合A=______. |
设S={x∈N|0≤x≤4},A={x∈N|0<x<4},则CSA=______. |
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