=_________.
(5)设U=R,A={x|x2-x-2=0},B={x||x|=y+1,y∈A},则CUB=______________.
3、解答题
(6)已知全集S={不大于20的质数},A、B是S的两个子集,且满足A∩(CSB)={3,5},(CSA)∩B={7, 19},(CSA)∩(CSB)={2,17},求集合A和集合B.