CUABA.的知识精选

设*U={1,2,3,4,5},A={1,2,3},B={2,3,4},则CU(AB)=A.{2,3}   ...
问题详情:设*U={1,2,3,4,5},A={1,2,3},B={2,3,4},则CU(AB)=A.{2,3}                B.{1,4,5}                  C.{4,5}                        D.{1,5}【回答...
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