【单选题】已知全集U={1,2,3,4,5,6,7},集合B={1,3,5,7},则? U B等于( )
【单选题】已知全集U={1,2,3,4,5,6},集合A={2,3,6},则集合C U A等于 [ ]
【单选题】已知全集U={1,2,3,4,5,6},集合A={2,3,4,5},则? U A=( )
【单选题】已知全集U={1,2,3,4,5,6},集合A={1,2,5},? U B={4,5,6},则集合A∩B=( )
【单选题】已知全集U={1,2,3,4,5,6},集合M={2,3,5},N={4,5},则? U (M∪N)等于( )
【单选题】已知全集U={1,2,3,4,5,6},集合A={1,2,5},C U B={4,5,6},则集合A∩B= [ ]
【单选题】已知全集U={1,2,3,4,5,6},集合A={1,2,5},C U B={4,5,6},则集合A∩B= [ ]
【单选题】已知全集U={1,2,3,4,5,6},集合M={2,3,5},N={4,5},则 等于 ( )