设全集u=(0.2 4 6) A=2 那么(Cua)

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｝,其子集A=｛5,1｝则A∩CUA 设全集U={1,2,x²-2},A={1,x},则CuA= 设全集u=0.1.2,已知cuA=2,则a的真子集个数? 设全集U={2,4,a²-2a-1},集合A={a+6,2},CuA={7},求实数a的值 设全集U={1,2,3,4,5}若A∩B={2},(CuA)∩B={4},(CuA)∩(CuB)={1,5} 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? 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={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={3,4,a²+2a-3},集合A={a+1,2a},CUA={5},求a的值,