设M={0,1,2,4,5,7},N={1,4,6,8,9},P={4,7,9}

发布时间:2020-07-09 01:13:20

设M={0,1,2,4,5,7},N={1,4,6,8,9},P={4,7,9},则(M∩N)∪(M∩P)=













A.{1,4}












B.{1,4,7}











C.{4,7}











D.{1,7}

网友回答

B解析分析:先分别求M∩N、M∩P,再求交集即可解答:∵M={0,1,2,4,5,7},N={1,4,6,8,9},P={4,7,9}∴M∩N={1,4},M∩P={4,7}∴(M∩N)∪(M∩P)={1,4,7}故选B点评:本题考查集合运算,对于列举法表示的集合进行集合运算时,须注意不要漏掉元素.属简单题
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