已知集合A={6,8,10,12},B={1,6,8}, (1)求A∪B; (2)写出集合A∩B的所有子集.
问题描述:
已知集合A={6,8,10,12},B={1,6,8},
(1)求A∪B;
(2)写出集合A∩B的所有子集.
答
(1)A∪B={6,8,10,12}∪={1,6,8}={1,6,8,10,12};
(2)因为A∩B={6,8};
所以集合A∩B的所有子集为∅,{6},{8},{6,8}.