设集合U={0,1,2,4,8},A={1,2,8},B={2,4,8},则CU(A∩B)=( )A.{0,2}B.{4,8}C.{0,1,4}D.{1,8}
题型:单选题难度:简单来源:不详
设集合U={0,1,2,4,8},A={1,2,8},B={2,4,8},则CU(A∩B)=( )A.{0,2} | B.{4,8} | C.{0,1,4} | D.{1,8} |
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答案
∵U={0,1,2,4,8},A∩B={1,2,8}∩{2,4,8}={2,8}, ∴CU(A∩B)={0,1,4}, 故选C. |
举一反三
已知集合M={x|≤0},N={x|y=},则CR(M∪N)等于( )A.{x|x≤1} | B.{x|x≥1} | C.{x|x<1} | D.{x|x>1} |
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设集合A={x 题型:x-2|≤2},B={y|y=-x2,-1≤x≤2},则A∩B=______. |
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