问题
选择题
已知集合M={0,1,2,3,4},N={-2,0,2},则( )
A.N⊆M
B.M∪N=M
C.M∩N={2}
D.M∩N={0,2}
答案
∵M={0,1,2,3,4},N={-2,0,2},
∴M∪N={-2,0,1,2,3,4};M∩N={0,2},N⊈M,
故选D
已知集合M={0,1,2,3,4},N={-2,0,2},则( )
A.N⊆M
B.M∪N=M
C.M∩N={2}
D.M∩N={0,2}
∵M={0,1,2,3,4},N={-2,0,2},
∴M∪N={-2,0,1,2,3,4};M∩N={0,2},N⊈M,
故选D
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