设全集U={1,2,3,4,5,6,7,8,9},A={2,3,5,7,8},B={1,2,4,7},则(CUA)∩(CUB)=( ) .
题型:填空题难度:简单来源:湖南省月考题
设全集U={1,2,3,4,5,6,7,8,9},A={2,3,5,7,8},B={1,2,4,7},则(CUA)∩(CUB)=( ) . |
答案
{6,9} |
举一反三
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A.(0,2) B.[0,2] C.{0,2} D.{0,1,2} |
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查看答案 已知集合A={x 题型:x|≤2,x∈R},B={x| ≤4,x∈Z},则A∩B= |
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A.(0,2) B.[0,2] C.{0,2} D.{0,1,2} |
难度:|
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