设全集U={1,2,3,4.,5,6,7,8}.集合A={2,4,6},集合B={3,4,5}.求A∩B,AUB,CuA,CuB.
问题描述：
设全集U={1,2,3,4.,5,6,7,8}.集合A={2,4,6},集合B={3,4,5}.求A∩B,AUB,CuA,CuB.
答
A∩B={4}
A∪B={2,3,4,5,6}
CuA={1,3,5,7,8}
CuB={1,2,6,7,8}