设全集U={1,2,3,4,5},A={2,3,4},则C∪A=

设全集U={1,2,3,4,5},A={2,3,4},则C∪A= 设全集U=｛1,2,3,4,5｝,其子集A=｛5,1｝则A∩CUA 设全集U={1,2,3,4,5,6,7,8,9},C u （A U B）={1,3},A ∩ （C u B）={2,4} 题设全集U=R,A={X小于等于6}求:(1)A∩空集.A∪空集(2)A∩R,A∪R(3)全集A的补集(4)A∩(全集A 设全集U=｛0,1,2,3,4,5,6｝,A=｛5,6｝,则Cu(CuA)=? 设全集U={1,2,3,4,5,6},A={1,3,5},则集合A在U的补集是多少? 设全集为U=｛1,2,3,4,5,6｝,A=｛1,3,5,6｝,B=｛3,4｝.求A∩B,A∪B,C∪A,C∪B. 设全集U ={1 ,2 ,3 ,4 ,5},A ,B 是U的子集,若A∩B={1} ,A ∩ Cu B={2} , 设全集为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﹜,A∩B=﹛2﹜,C 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=｛3,4,a平方+2a-3},集合A=｛a+1,2a},｛5｝,求a的值 (1)设全集U={1,2,3,4,5},集合A=（1,a-2,5）Cua={2,4},则a值是?