解:全集U={x|x∈N,且0<x≤10)={1,2,3,4,5,6,7,8,9,10};
A={1,2,4,5,9},则
UA={3,6,7,8,10};
B={4,6,7,8,10),则
UB ={1,2,3,5,9};
C={3,5,7),则
UC= {1,2,4,6,8,9,10}.
(1)由A∩B={4),可得(A∩B)∪C={4)∪{3,5,7}=(3,4,5,7};
(2)由
UA ∩
UB ={3},
可得(
UA n
UB)∪
UC={3}∪{1,2,4,6,8,9,10}={1,2,3,4,6,8,9,10).