问题
解答题
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}
答案
∵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
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