已知全集U={1,2,3,4,5,6,7,8},集合A={2,3,5,7}集合B={1,3,5,7}
已知全集U,集合A={1,3,5,7,9},CUA={2,4,6,8},CUB={1,4,6,8,9},求集合B.
已知全集U,集合A={1,3,5,7},CuA={2,4,6},CuB={1,4.6},求集合B
已知全集u ={1,2,3,4,5,6,7,8},集合A、B都是U的子集,当A交(CuB)={1,2,3},
一道集合题.已知全集U={1,2,3,4,5,6,7,8,9},A,B都是全集U的子集,且B∩CuA={1,9},A∩B
设全集U={1,2,3,4,5,6,7,8},集合A={2,4,6},集合B{3,4,5}
已知全集U={1,2,3,4,5,6,7,8,9},A并B在全集U中的补集={1,3},A交B的补集={2,4}.求集合
已知全集U,集合A={1,3,5,7,9},CuA={4,6},CuB={1,4,7},求集合B
已知全集U=(0,1,2,3,4,5,6,7,8)集合A=(0,1,2,3)集合B=(2,3,4,5.6)求 A交B A
已知全集U={1,2,3,4.5.6,7,8},A={3,4,5},B={1,3,6},则集合{2,7,8}是
设全集U={1,2,3,4,5,6,7,8},集合A={2,4,6},集合B={3,4,5},求A∩B,A∪B,A在U中
已知全集U={1,2,3,4,5,6,7,8},在U中任取四个元素组成的集合记为A
已知全集U={1,2,3,4,5,6,7,8,9,10},集合A={2,3,5,9},集合B={4,5,6,7,9},则