集合A={1,{2,3}},则P(A)=( )。
A、{Φ,{1},{2},{3},{1,2},{1,3},{2,3},{1,2,3}}
B、{Φ,1,{2,3},{1,{2,3}}}
C、{{Φ},{1},{2,3},{1,{2,3}}}
D、{Φ,{1},{{2,3}},{1,{2,3}}}
发布时间:2024-04-12 19:38:04
A、{Φ,{1},{2},{3},{1,2},{1,3},{2,3},{1,2,3}}
B、{Φ,1,{2,3},{1,{2,3}}}
C、{{Φ},{1},{2,3},{1,{2,3}}}
D、{Φ,{1},{{2,3}},{1,{2,3}}}