已知全集u={1,2,3,4,5,6,7,},A={2,4,5},B={1,3,5,7}求(CuA)U(Cu B) ,
已知全集u={1,2,3,4,5,6,7,},A={2,4,5},B={1,3,5,7}求(CuA)U(Cu B) ,
已知全集U={1,2,3,4,5,6,7,8},A={3,4,5},B={4,7,8}.求CuA,CuB,Cu∩CuB,
已知全集U={1,2,3,4,5,6,7,8,9},A包含于U,B包含于U,且(CuA)∩B={1,9},(CuA)∩(
已知全集U={1,2,3,4},集合A,B都是U的子集,Cu(AUB)={2},(CuA)交B={1},则A=?
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.
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
已知全集U,集合A={1,3,5,7},CuA={2,4,6},CuB={1,4.6},求集合B
设全集U={1,2,3,4,5,6,7,8},集合A={5,6,7,8},B={2,4,6,8},求A∩B,CUA和CU
设全集U={x|x≤8,且x属于N},A={3,4,5},B={4,7,8},求:(1)CuA交B;(2)Cu(A交B)
已知全集U={1,2,…,9,10},A={1,3,5},B={2,4,6,8},求CuA,CuB,A∩CuB,A∪Cu
设全集U={0,1,2,3,4,5,6},A={5,6},则Cu(CuA)=?
已知全集u={1,2,3,4,5,6,7,8,},A={2,5,8},B={1,3,5,7}那么(CuA)N等于?