已知全集U={1,2,3,4,5,6},集合M={2,3,5},N={4,5},则CU(M∩N)等于[ ]A.{1,3,5}B.{2,4,6}C.{1,
题型:单选题难度:简单来源:月考题
已知全集U={1,2,3,4,5,6},集合M={2,3,5},N={4,5},则CU(M∩N)等于 |
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A.{1,3,5} B.{2,4,6} C.{1,5} D.{1,6} |
答案
D |
举一反三
已知全集U=R,集合P={x|log2x≥1},那么CUP= |
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A.{x|0<x<2} B.{x|x<2} C.{x|x>2} D.{x|x≤2} |
设集合A={x 题型:x﹣2|≤2,x∈R},B={y|y=﹣x2,﹣1≤x≤2},则CR(A∩B)等于 |
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A.R B.{x|x∈R,x≠0} C.{0} D. |
难度:|
查看答案 设全集U={1,2,3,4,5},集合M={1,4},N={1,3,5},则N∩(CUM)= |
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A.{1,3} B.{1,5} C.{3,5} D.{4,5} |
已知集合A{x|x>1},B={x|﹣1<x<2}则A∩B= |
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A.{x|﹣1<x<2} B.{x|x>﹣1} C.{x﹣1<x<1} D.{x|1<x<2} |
已知全集U={0,1,2,3,4,5,6,7,8,9},集合A={0,1,3,5,8},集合B={2,4,5,6,8},则(CUA)∩(CUB)= |
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A. {5,8} B. {7,9} C. {0,1,3} D. {2,4,6} |