设集合X={0,1,2,4,5,7},Y={1,3,6,8,9},Z={3,7,8},那么集合(X∩Y)∪Z是(  )A.{0,1,2,6,8}B.{3,7,8

设集合X={0,1,2,4,5,7},Y={1,3,6,8,9},Z={3,7,8},那么集合(X∩Y)∪Z是(  )A.{0,1,2,6,8}B.{3,7,8

题型:单选题难度:一般来源:不详
设集合X={0,1,2,4,5,7},Y={1,3,6,8,9},Z={3,7,8},那么集合(X∩Y)∪Z是(  )
A.{0,1,2,6,8}B.{3,7,8}C.{1,3,7,8}D.{1,3,6,7,8}
答案
X∩Y={1},(X∩Y)∪Z={1,3,7,8},
故选C
举一反三
已知集合A={1,2,3,4},B={x|x=n2,n∈A},则A∩B=(  )
A.{1,4}B.{2,3}C.{9,16}D.{1,2}
题型:单选题难度:简单| 查看答案
已知集合A={1,3,a},B={1,a2},且A∩B={1,a},求实数a的值.
题型:解答题难度:一般| 查看答案
设集合M={4,5,6,8},集合N={3,5,7,8},那么M∪N=(  )
A.{3,4,5,6,7,8}B.{5,8}
C.{3,5,7,8}D.M={4,5,6,8}
题型:单选题难度:一般| 查看答案
已知集合A={2,3},B={2,3,5},则集合A∪B=(  )
A.{2}B.{2,3}C.{2,3,5}D.{2,3,2,3,5}
题型:单选题难度:简单| 查看答案
已知集合M={3,2a},N={a,b},若M∩N={2},则M∪N=______.
题型:填空题难度:一般| 查看答案
最新试题
热门考点

超级试练试题库

© 2017-2019 超级试练试题库,All Rights Reserved.