设集合A={4,5,7},B={3,4,7,8}全集U=A∪B,则集合C∪(A∩B),=______.
题型:填空题难度:简单来源:湖南模拟
设集合A={4,5,7},B={3,4,7,8}全集U=A∪B,则集合C∪(A∩B),=______. |
答案
U=A∪B={3,4,5,7,8} A∩B={4,7} CU(A∩B)={3,5,8} 故答案为:{3,5,8} |
举一反三
设集合P={1,2,3,4},Q={x|x≤2,x∈R},则P∩Q等于______. |
已知全集U={0,1,2,3,4}A={1,3},则CUA=______. |
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设全集U={1,2,3,4},集合T={2,4},则CUT=( )A.{1,2} | B.{2,3} | C.{1,3} | D.{3,4} |
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设集合A={1,2,3},集合B={2,3,4},则A∩B=( )A.{1} | B.{1,4} | C.{2,3} | D.{1,2,3,4} |
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