已知A交B={3},A在U中的补集交B={4、6、8},A交B在U中的补集={1、5},A在U中的补集并上B在U中的补集={x|x
人气：259 ℃ 时间：2019-10-19 20:10:53
解答
已知A∩B={3},CuA∩B={4、6、8},A∩CuB={1、5},CuA∪CuB={1,2,4,5,6,7,8,9},求Cu(A∪B),A,B.U = (A∩B)∪(CuA∪CuB) ={1,2,3,4,5,6,7,8,9}A = {1,3,5}B = {3,4,6,8}Cu(A∪B) = {2,7,9}
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