设全集U={x€z|12/x€Z},A={y€Z|4/y€Z},B={z€Z|6/z€Z},则Cu(A交B)
问题描述：
设全集U={x€z|12/x€Z},A={y€Z|4/y€Z},B={z€Z|6/z€Z},则Cu(A交B)
越详细约好!谢谢
答
U={-12,-6,-4,-3,-2,-1,1,2,3,4,6,12}
A={-4,-2,-1,1,2,4}
B={-6,-3,-2,-1,1,2,3,6}
A交B={-2,-1,1,2}
Cu(A交B)={-12,-6,-4,-3,3,4,6,12}