已知集合U={0,2,4,6,8,10},A={2,4,6},则∁UA=( )A.{2,4,6}B.{0,8,10}C.{6,8,10}D.{8,10}
题型:单选题难度:一般来源:不详
已知集合U={0,2,4,6,8,10},A={2,4,6},则∁UA=( )A.{2,4,6} | B.{0,8,10} | C.{6,8,10} | D.{8,10} |
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答案
∵U={0,2,4,6,8,10},A={2,4,6}, ∴∁UA={0,8,10}. 故选B. |
举一反三
已知全集U=R,集合M={x|x<3},N={ x|x≤2} 那么集合M∩(∁UN)等于( )A.∅ | B.{x|x≤20<x<3} | C.{x|2≤x<3} | D.{x|2<x<3} |
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设全集U=R,A={x题型:x|>1},B={x|≥2},求∁U(A∩B). |
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查看答案 已知全集U={-2,-8,0,π,6,10},集合A={-2,π,6},B={1},则(CUA)∪B等于( )A.{0,1,-8,10} | B.{1,-2,π,6} | C.{0,-8,10} | D.Φ |
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已知集合M={x题型:x|≥3},集合N={x|x∈Z且∈Z},则M∩N=( )A.{x|-4≤x≤-3或3≤x≤4} | B.{-2,-1,1,2} | C.{-4,0,4} | D.{-4,4} |
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