设全集I={1,2,3,4,5,6},集合A={1,2,3,4},A∩B={1},Ci(A∪B)={6},求集合B.
2个回答
解 因为Ci(A∪B)={6} 所以A∪B={1,2,3,4,5
因为A∩B={1}
所以B={1,5}
还不行吗?
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