题目内容
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} |
∵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
∴M∩N={1,4},M∩P={4,7}
∴(M∩N)∪(M∩P)={1,4,7}
故选B
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