问题 选择题

设全集U={0,1,2,3,4},集合A={1,2,3},集合B={2,3,4},则A∩∁UB=(  )

A.{1}

B.{0,1}

C.{0,1,2,3}

D.{0,1,2,3,4}

答案

∵全集U={0,1,2,3,4},

集合A={1,2,3},

集合B={2,3,4},

∴A∩∁UB={1,2,3}∩{0,1}

={1}.

故选A.

填空题
填空题