(1/2)ҳ
Ӽë
ǰϲ˵߽ѧȴıԼķһֱֱķ˵ʹһХķУëӱԵɨȥ
ԬĬʦһëӣ˲Եȫƽһ£ԵᄍȻһȫɿܵУԴħͷĽһ
ô赭дһιͺеķûκεôҲӱ
ĹdzİԵӦ˵֮dzı̬ģеķ֮ȫԵʲôɣԵļëֱԵÿһ䣬ԵԲʮڣеķλ˽ȥ
ԵɫЩĿԬĬʦеļëӣʱʲôɣʲôûκε֮أԵԴô룬ⲻյĽ
ž
ʹһδƨϴ
ԵҲֲסȥ˫ֲͣԼƨɣָоħͷĽȫһħͷĽһڶʹҰľһۡ
ǰԬĬʦļëӣȫʹûκɵʹ
ԵĿǰԬĬ۵̲ס졣
ûУô֪Ҫ㣬ܸıսĽвͬӱ㷽ʦôΣ㻹ûҪʲô·𡱷żëӣһĮĿԵ
Ե죬һ仰Ҳ˵˼ħͷԼŹȿȽԵֻԼԽԽ
ħͷĹôˣ˵ȳʹȳ㣬Զϻ
ⲻĵ·
㵽ߵľʱͷòؼģֵĶԾǾԲܾãһҪԼҪߵ·ķҪףٷЩֻеĵѣôѵǵÿԼ
ˡԵĵĵ˵ͷ
˾ͺãȻˣΪ̵ףʦͽʲôİԵЦһëʦĿұ죬ƾ˼ëӣҳδһܣҰ⼦ëӽ˼ǼëΨҶ֮⡱
ԬĬʦĻԵݣΨҶԼԼԼ
Ե
(1/2)ҳ,һҳĶ
ǩĶ