设全集U=(2,4,-(a-3)^2),A=(2,a^2-a+2),若CuA=(-1)
设全集U={1,2,3,4,5},其子集A={5,1}则A∩CUA
设全集U={3,4,a²+2a-3},集合A={a+1,2a},CUA={5},求a的值,
设全集U={1,2,3,4,5}若A∩B={2},(CuA)∩B={4},(CuA)∩(CuB)={1,5}
设全集U={2,4,-(a-3)平方},A={2,a平方-a+2},CuA={-1}求实数a的值
设全集U={1,2,x²-2},A={1,x},则CuA=
(1)设全集U={1,2,3,4,5},集合A=(1,a-2,5)Cua={2,4},则a值是?
设全集U={0,1,2,3,4,5,6},A={5,6},则Cu(CuA)=?
设全集U={2,3,a^2+2a-3}A={|2a-1|,2},CuA={5} 求集合{a,a^2}的子集个数
设全集U={2,3,5},A={2,|a-5|},CuA={5},则a的值为
设全集U={2,3,5},A={|a-5|,2},cuA={5},则a的值是?
设全集U={2,3,5},A={|a-5|},cuA={5},则a的值是?
设全集u={2,3,a²+2a-3},A={2a-1|,2},CuA={5},则实数a等于?