已知全集{1,2,3,4,5,6,7,8,9}且(CuA)∩B={1,9},A∩B{2}(CuA)∩(CuB)={4,6
已知全集U=﹛1,2,3,4,5,6,7,8,9﹜,且A∩B=﹛2﹜,(CuA)∩B=﹛1,9﹜,(CuA)∩(CuB)
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U={1,2,3,4,5,6,7,8} A∩B={2})B∩ (CuA)={1,9} (CuA)∩(CuB)={4,
全集U={1,2,3,4,5,6,7,8},已知CuA∪CuB={1,2,3,5,6,7,8,},CuA∩CuB={3,
设全集U={1,2,3,4,5,6,7,8,9},集合A∩B={2},CuA∩CuB={1,9},CuA∩B={4,6,
已知全集U={小于10的正自然数},其子集A,B满足A∩B={2},CuA∩B={4,6,8},CuA∩CuB={1,9
设U={1,2,3,4,5,6,7,8},A={3,4,5},B={4,7,8},求CuA,CuB,(CuA)∩(CuB
已知全集u={x|x≤8,x∈N+},A∩CuB={2,8},CuA∩B={3,7},CuA∩CuB={1,5,6},求
已知全集A={1,2,3,4,5,6,7,8,9},AnB={2},(CuA)n(CuB)={1,9},(CuA)nB=
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
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=【123456】.CuA∩B=【1,6】,A∩CuB=【2,3】,A∩B=【4】,则A=?B=?