设全集U=(1,2,3,4,5,6,7,8,9),补集(A并集B)={1,3},A交集(补集B)={2,4},求集合B.
问题描述:
设全集U=(1,2,3,4,5,6,7,8,9),补集(A并集B)={1,3},A交集(补集B)={2,4},求集合B.
答
56789
设全集U=(1,2,3,4,5,6,7,8,9),补集(A并集B)={1,3},A交集(补集B)={2,4},求集合B.
56789