设全集I={2,3,5},A={2,｜a-5｜},CIA={5},求a的值希望步骤详细··

设全集I={2,3,4},A={2,a,-3},CIA={4},则a=? 设全集I={2,3,5},A={2,｜a-5｜},CIA={5},求a的值希望步骤详细·· 设全集R.A={X/3 设全集U=｛2,3,a²+2a-3｝……设全集U=｛2,3,a²+2a-3｝,A=｛a+1|,2﹜,A的补集=﹛5﹜,求a 设全集为R,A=[xIx^2-5x-6>0},B={xIIx-5I 设全集U=R,集合A={xl-2 设全集U=R,A={x|2 设全集U=R,集合A={x|-2 设全集U=R,A={x|-2 设全集U=R,A{x|2 设全集为R,A={x|-2 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={2,|a-5|},CuA={5},则a的值为 设全集I={2,3,x²+2x-3},集合A={|2x-1|,2},C1A={5},求实数x的值? 设全集为R,集合A=[1/2,3],B={x|x^2+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I={2,3,a的平方+2a-3},A={2,|a+1|},CIA={5},M={x|x=1/2|a|},写出集合M的所有子集