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设A={x∈z丨丨x丨≤6},B={1,2,3},C={3,4,5,6},则A∩Ca(B∪C)=?
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设A={x∈z丨丨x丨≤6},B={1,2,3},C={3,4,5,6},则A∩Ca(B∪C)=?
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答案和解析
因为,集合 A∩Cu(B∪C) 中的元素属于集合 A 但不属于集合 B∪C ;
其中,A = {-6,-5,-4,-3,-2,-1,0,1,2,3,4,5,6} ,B∪C = {1,2,3,4,5,6} ,
所以,A∩Cu(B∪C) = {-6,-5,-4,-3,-2,-1,0} .
其中,A = {-6,-5,-4,-3,-2,-1,0,1,2,3,4,5,6} ,B∪C = {1,2,3,4,5,6} ,
所以,A∩Cu(B∪C) = {-6,-5,-4,-3,-2,-1,0} .
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