设集合U={1,2,3,4},A={1,2},B={2,4},CU(A∪B)= [ ]A、{2}B、{3} C、{1,2,4}D、{1,4}
题型:单选题难度:简单来源:高考真题
设集合U={1,2,3,4},A={1,2},B={2,4},CU(A∪B)= |
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A、{2} B、{3} C、{1,2,4} D、{1,4} |
答案
B |
举一反三
设全集U={1,3,5,6,8},A={1,6},B={5,6,8},则(CUA)∩B = |
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A、{6} B、{5,8} C、{6,8} D、{3,5,6,8} |
已知全集U={1,2,3,4,5,6},集合A={2,3,6},则集合CUA等于 |
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A.{1,4} B.{4,5} C.{1,4,5} D.{2,3,6} |
已知集合S={x∈R|x+1≥2},T={-2,-1,0,1,2},则S∩T= |
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A.{2} B.{1,2} C.{0,1,2} D.{-1,0,1,2} |
已知全集U={1,2,3,4,5},集合A={x∈Z 题型:x-3|<2},则集合CUA等于 |
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A.{1,2,3,4} B.{2,3,4} C.{1,5} D.{5} |
难度:|
查看答案 若集合M={0,1},I={0,1,2,3,4,5} ,则CIM为 |
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A.{0,1} B.{2,3,4,5} C.{0,2,3,4,5} D.{1,2,3,4,5} |