լͯ

ҳ
ص
С
25.һ̨Ϸ(1/2)
   ǩ ܹ Ŀ¼
    櫵ı⣬ŮͳûлӦֻǶޱżĿŰ뾫ħŮһۣһ۵ĺ岻Զ

    Լʲôû𣿡

    һ쵽ǵħŮŮͳֻߵǻԵСŮǰ΢Щ͵ĵ

    С㣬ȥ¡

    ǣҲDzŻ·𣿡

    СŮ˿Ҳ΢΢ıܿǸȹĽ㣬ŮͳȻЩɻʵ

    ͷ˿ƯȹһۣⱲӼƯСȹӡ

    ǰʱ·Ǽװʱ͸Ǽϰ֮˵һλ˴ĺȹӣҲûԼľƯ

    һǹ﹫Ǵȹӡ

    Īüʶİ˿²š

    ǹĶֻĵĽҴģѾҺչˣҲٸ鷳ˡ

    ˿һֱԼ

    ֮ǰѾϴ裬ȫϴװˣСĶԴȹӣոŵʱŬһƣƯСȹӱԼŪˣŪˡ

    ŮӣϲƯСȹԣҪ·ˣ˿ΪԼҲܴȹˣ΢Щʧ䡣

    ˿˿ǽ̹㲻ܳΪһ̰ĵŮӵģ̰ԼĶѹġ

    һŲᣬһԼ

    СãһƯŮһҪߴ·ŶǴͬһ·ȥˣǶ˵IJòҪǺá

    оԼ˵ûûƤĴһ֪ĴģСŮŹŮһЩʶ

    ֻϧ鲢ûյʲôرڴСŮ˿ЩµŮͳDZ߿˿

    лл㡣

    Ȼ£ǰ˿ӣòĵл

    ʵ˿һֱܷ˺ûĸ֪ûи߹κˡ

    ͺԸҲԸؼңΪڸϸ֪ԽԽŨĶ⣬ǶϿĺҪ䡣

    ֮ԻĬ˵ĶħҲͬΪֻǴӼĵһ۾͵ľǸˣ϶˺Լ

    ڣ˿ĸ֪ҲڷãȻǸźȹӵľЦģԼ飬ǰ˿ȴЩ

    ÿĴĸоͷ·ſھ¿һ㣬һƬľʲôҲҲ֪dzֻڰƺDZĹʱܻͻȻܳ뾮׵Ԩ

    ȰְֻҪ¡
25.һ̨Ϸ(1/2),һҳĶ
һ Ŀ¼ һҳ