(1/2)ҳ
ƴٿʧţţҲûɶӦ÷һ
ȻܶӳܺûĪͲдҪ˳Ѿ㹻ˣ˿Ѫɫij͵ըѳһһ
DzٵģڵӰû֣֮ûпڷ֮ǰ֪ӣDzҪФˡ
ʮ㣬֪ӣȥױ䣬ʦ·֪ӣϣ֪֮ӣһʵǾһˡ
˵⡢ϡƽ£DZôˡ˵̴ѻûð̶أ̫Ҳá
ز౻ιҪϹҪɢæƷϣ˸֣ʮ֮߰˵˶Բ
ҪʵҲѣķлߣ˵ͨ취ȻԭʼԶʹ
ĸһַϵ֣һǻĹˣҲһԳֻһ²ã˵͵ҪģDZġ
֪ӣôһ˵ԼôˣȻ˵绰Ұˡ
үҲ̧ͷЩ㯣˲ſǶүˡ
Ľֹ֪οڣаҲûȥ
о˵أϥDZ飬һֱҲֵĽǶšţҲܿóֱҲѾˡ
պʣǿȻĿһᣬɨպ졣
ˣڻˣͥظһַε̬ȣϣˣҾ徵³ȥʡȻٵȥܿ࣬ǸĹ¡
ƽǿЦųҲٶʣȥԿȥ
ôãѺܸܽõһʽݣΪľǰקǻԼˡΪǺǡΪԸǺƽݶԵȡ
ţһûԼĴͽĹϵ϶ӣַɢĿܡ
ûмǿ˵ʹαҲֻڡֿ
һ
(1/2)ҳ,һҳĶ
ǩĶ