设全集U={1,2,3,4,5,6,7,8,9}若A交集B={3},A交集CuB={1,5,7},CuA交集CuB={9
设全集U={1,2,3,4,5,6,7,8,9}若A交集B={3},A交集CuB={1,5,7},CuA交集CuB={9
一道元素集合题设全集U={1,2,3,4,5},A与CuB的交集={1,2},则集合CuA与B的交集的个数为多少 备注;
设全集U={1,2,3,4,5,6,7,8,9}若A∩B={3},A∩(CuB)={1,5,7},(CuA)∩(CuB)
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={1,2,3,4,5,6,7,8},A={3,4,5},B={4,7,8}.求CuA,CuB,Cu∩CuB,
设U=R.A={X|X大于等于1},B={X|0小于等于x小于等于5} 求(CuA)UB和A交集(CuB)
设全集U={1,2,3,4,5,6,7},A={2,4,6},B={2,3,5,7},求CuA,CuB,A∩CuB,B∩
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,
设全集U=12345,AB是U的子集若A交集B=1 ,A交集 补集B =2,补集A交集补集B=3,5 求集合AB
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.
高一数学:设全集u={x|1小于等于x小于等于9,x属于自然数}.则满足{1,3,5,7,8}交集于CuB={1,3,5
设全集U={1,2,3,4,5}若A∩B={2},(CuA)∩B={4},(CuA)∩(CuB)={1,5}