问题
选择题
已知全集U={0,1,2,3,4,5,6},A={1,2,3},B={2,4,6},则(∁UA)∩B=( )
A.{2,4}
B.{2,6}
C.{4,6}
D.{2,4,6}
答案
∵全集U={0,1,2,3,4,5,6},集合A={1,2,3},
∴∁UA={0,4,5,6},又B={2,4,6},
则(∁UA)∩B={4,6}.
故选C.
已知全集U={0,1,2,3,4,5,6},A={1,2,3},B={2,4,6},则(∁UA)∩B=( )
A.{2,4}
B.{2,6}
C.{4,6}
D.{2,4,6}
∵全集U={0,1,2,3,4,5,6},集合A={1,2,3},
∴∁UA={0,4,5,6},又B={2,4,6},
则(∁UA)∩B={4,6}.
故选C.