设集合A={1,2,3},集合B={2,3,4},则A∩B=( )A.{1} | B.{1,4} | C.{2,3} | D.{1,2,3,4} |
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∵A={1,2,3},集合B={2,3,4}, ∴集合A∩B={2,3}. 故选C. |
核心考点
试题【设集合A={1,2,3},集合B={2,3,4},则A∩B=( )A.{1}B.{1,4}C.{2,3}D.{1,2,3,4}】;主要考察你对
集合运算等知识点的理解。
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举一反三
若集合M={-1,0,1},集合N={0,1,2},则M∪N等于( )A.{0,1} | B.{-1,0,1} | C.{0,1,2} | D.{-1,0,1,2} |
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若集合M={-1,0,1,2},N={x|(x+1)(x-2)<0,且x∈Z},则M∩N=( )A.{-1,0,1,2} | B.{0,1,2} | C.{-1,0,1} | D.{0,1} |
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已知0<a<1,集合A={x题型:x|<1},B={x|logax>0},则A∩B为( )A.(-1,1) | B.(0,1) | C.(0,a) | D.φ |
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难度:|
查看答案 设集合A={x|-1≤x≤2},B={x|0≤x≤4},则A∩B=( )A.[0,2] | B.[1,2] | C.[0,4] | D.[1,4] |
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已知集合A={0,1,2,3,4},集合B={x|x=2n,n∈A},则A∩B=( )A.{0} | B.{0,4} | C.{2,4} | D.{0,2,4} |
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