设全集U={-1,1,0,2,5,9},子集M={-1,2,5},CuM={0,a^2,1},求a的值.是正负3吗?

设全集U={x/1 设全集U=R,集合M={x/x^2>9},N={-1 设全集U=｛0,1,2,3,4,5,6｝,A=｛5,6｝,则Cu(CuA)=? 设全集U={-1,1,0,2,5,9},子集M={-1,2,5},CuM={0,a²,1},求a的值 设全集U=R,集合A={X|-1 设全集U=R,集合A={x|-1 设全集U=R,集合A={x/1 设全集U=R,A={x|-1 设全集U=R,集合A=(x|-1 设全集U=R,集合A={x|-1 设全集U=R,A={x|1/x 设全集U=R,集合A=（X|-1 设全集U=={X|- 5 设全集U=｛x∣0 设全集U={x|0 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},求集合B 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U=｛1,2,3,4,5｝,其子集A=｛5,1｝则A∩CUA