问题
选择题
集合U={0,1,2,3,4},M={0,3,4},N={1,2,3},则CUM∩N=( )
A.{0,1,2,3,4}
B.{1,2,3}
C.{1,2}
D.{3}
答案
∵集合U={0,1,2,3,4},
M={0,3,4},N={1,2,3},
∴(CUM)∩N={1,2}∩{1,2,3}
={1,2}.
故选C.
集合U={0,1,2,3,4},M={0,3,4},N={1,2,3},则CUM∩N=( )
A.{0,1,2,3,4}
B.{1,2,3}
C.{1,2}
D.{3}
∵集合U={0,1,2,3,4},
M={0,3,4},N={1,2,3},
∴(CUM)∩N={1,2}∩{1,2,3}
={1,2}.
故选C.