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    дһ׺øʵļɹ

        ΪһĻ̬˵Ϊһʽܹ㣬ԽԽϲ˵޴ɸ裬޴質ر˸ϲDz裬һҪԼд衣ииʣдҲдʣһʶʻոʼɵ⡣˵ʴܸӣҲܳԹед꣬ҲûŪʲô

        ҪľǽԵͨ׶һͻʫȴԵһԶܸоΣΪֶ壬һ׸ʣǶôسɫҲʵ֣ôͷ·DZûסâıʯ޼ֵ෴һ׺õʫ裬ʹûֵ£Ȼ˶е⾳Ҫдõĸʣʫǻ


    ڸʵĸ


        ʱִʫӽɡȻӵһ״ͳĸд׾ٵ飬ֶȻͳˡһ˵ûӵǰ£Ҫһ״ͳϵĸҪ߱˶һĸ֮ǰҪﶨһΡͳĸһΪABC AB ACB CABָʽһࡣѧϰдʵABʽ׵ģACBڸʴУAʾɣҲһʼͽ⣬BΪ㷢ҲǸеĸ߳CͨΪС裬Էڿͷǹɸ߳ڴʱ򣬲ֿдҪ̫󣬷ҲһѶȡ


    деĹ


        Ҫȥдһ׸ʵʱȲҪȥʲôϦԼĴĸֵĸ룺Ҫ֪DzҪĴȥģҪƽڵд˸жĸʾͲܴԵĻ֣ͶԼи飬мDzв԰ػ롣
    дһȥдһ׸ʣҪdzǺġʺʫһںûںĸʾһݹǣѪɫйиʵĶʢʱڣͷ׶ǧٹ֡иʶڰ飬пյظ̣˲֪롣ѹְֺʻҵ㣬۰ٱ


    ѡúʹ


        ǰѾᵽʲͬʫ裬ҪõǴͨ׵ĴΰЩһ𣬶ЧأҸΪڴУҪһ㡣ܶʵļѾ䶼żãǧҪΪдһʵĴȥĴѰҡȥдĸʣͻԵӲ޷ԼʵľӾͻĶߡ
    ѡôڸʲͬIJλѡҲ൱ġرɵǰ£ʡҪסеںѡͬȵĴʹûɵ£ҲȻ뵽ֵĸˡ


    סϽŵij߶
        ᳫһ״ϵϽšһ״ʣûҪ£DzᳫбϵֵġǶĴˣܰѸϽû˿Ӳһ˵һ׸ҪתϵʱҪע⼸㣺һмͬĶмתϡתϵλڶĩǵڶεĿʼڶĩһתϣôһξһҪѡϽţмɺͽβϽͬ
        ֮Ҫдһ׺ôʣ㹻IJŻ⣬ҪձҪļɹ򡣷ǴʲɴʣʫΪʫʴԼɺܷḻڸдУҪܾܵضעиķչΪʴṩϡ

     


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