Question

全集U=N,集合A={x|x=3n,n/2∈N}，B=｛y|y=m.m∈N,24/m∈N｝

求A∩B，CuA∩B

Answer 1

A={3*(2的倍数)}
B={1,2,3,4,6,8,12,24}
A交B={6,12,24}
A交B={1,2,3,8}