已知全集U={0,1,2,3,4,5,6},A={1,2,3},B={2,4,6},则(∁UA)∩B=( )A.{2,4}B.{2,6}C.{4,6}D.{2
题型:单选题难度:简单来源:龙泉驿区模拟
已知全集U={0,1,2,3,4,5,6},A={1,2,3},B={2,4,6},则(∁UA)∩B=( )A.{2,4} | B.{2,6} | C.{4,6} | D.{2,4,6} |
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答案
∵全集U={0,1,2,3,4,5,6},集合A={1,2,3}, ∴∁UA={0,4,5,6},又B={2,4,6}, 则(∁UA)∩B={4,6}. 故选C. |
举一反三
若集合M={-1,0,1},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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已知集合A={x|x2-x-2>0},集合B={x 题型:2x-3|<3},求CR(A∩B). |
难度:|
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