已知全集U={1,2,3,4,5,6,7,8},集合A={2,4,6,8},B={1,2,3,6,7},则A∩(∮B)A.{2,4,6,8}B.{1,3,7}C.{4,8}D.{2,6}

问题描述:

已知全集U={1,2,3,4,5,6,7,8},集合A={2,4,6,8},B={1,2,3,6,7},则A∩(∮B)
A.{2,4,6,8}
B.{1,3,7}
C.{4,8}
D.{2,6}

C

c

∮B={4,5,8}
A∩(∮B)={2,4,6,8}∩{4,5,8}={4,8}
C