(1/2)ҳ
ʱ֪˭ĶԽ洫һ·ʤ
ЩˣһҪʤǸˣҪǻʤ༪٣ӻԵǹҵˣỹǵ顣
ֿʼԼˣͻȻ֮ЩʱڵĻǶٻһƴһƴĻᣬһҪӳȥҲҪӳȥƴĻͻлᣬҲͣĿΧ˼ţô졣
ʻһʱ䣬ʱڽǸӣǹݸһˣԼͻȻ֮߹ˣұϵʱЦЦɡ
ҿˣЩҴûмû˵˳ִӶóԼһ֧һ֧ݸҡɣӦñҴ꣬Ҿܲʶңҽһ£ҽƱµСӳСƱĶˣôһֱţҺӻʶѣǽûж˵ӻģͦʤҲ֡
ûϵڽƮвģҲˣǶij𣬶ԹСʱȣ·ϣȵң쵽ʤǸʱҴӣԼĸĸ֪˭ҵĶˣڻڲϣ˺üˣпܣһӶȥˣ˵һ£飬Ӧôң˵ô족
ЦһҵաôظҰ
һʲô˼ˡŻ߲ţأȺҲ֪˭DzɱˣҲɱǵˣҲһֱҪҵȺ˭һֱûлңӻȷʵģǶƵġ
ǺǡЦԵIJ˵Ļܿ죬ϵЦ˲ı飬һѾͰסҵԴźĻ桰ۡľһ£һѾͰҴӵϺîҵüȭкˣһ˦ңӶóһ˦˦˦ҵԴϣһһкˡۡľһҵԴʹһסֵ˼ûУӳԴͣľ
ϵФʢ˳һ¶ˣӵ
(1/2)ҳ,һҳĶ
ǩĶ