ʴdz飺簲Ŵ
ҳ
ص
壺
С
½̫̫θ?(1/2)
ǩ
ܹ
Ŀ¼
½̫̫θ룿
ʱҴСʱüʱŮ
ûе½ǾԲὫСģʱ̳ϻ÷ˮڽǵԽԽߣʱüʱҴСۣȻҲˮǴߡ
ʱüãһѣ֪ԷͶ˻ˣµǿдûϸԼ˽ȥ
֮Ϊ˰״ʱü̸˺üÿζDZ֮Ͷˡ
û뵽½ѾôÿˣزɣʱüŮˣµȥڡ
ɿɣ˸ʱü½衵Dz
˵ĻͻȻú̡ܷ
ϵģ½ػصڣôΪ˽ؼң
ǰšڣŲš
ǰǸʡŮ½ΪѽɽɽõĶ͵ǰΪ˲һЦ
ǸʱոձʢԪҹţǽ塭
½衻ǽ졣
ڵʲôѽ
£
ųϱ
½̫̫θ?(1/2),һҳĶ
һ
Ŀ¼
һҳ