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    ϷһƣΪһΪһ˫
սȳһʤƹơΡ

.....................................................

ͣ

    
       ˫˫ƣʲôͶɴơ

    ը
       ͬơĸͱԼը⣬
       ʲôͶɴ

һͣ

    ƣ
       ơ

    ƣ
       ͬơ

    ƣ
       ŵͬơ
 
    һ
       ͬ  һŵơ磺ţ

    
       ͬ  һơ磺ţԣ

    ˳
       Żĵơ磺
       ˫

    ˫˳
       ԻĶơ磺ԣԣԣ
       ˫

    ˳
       ơ磺ţţţ
       ˫Ҳзɻ

    ɻ
       ˳ͬĵƣͬĶƣ
       磺ţţԣԣ
           ţţţ

    Ĵ
       ƣŵƣƣ
       磺ţ
           ţԣԣ

.....................................................

͵ĴС

    ơ
    ըͱԼը⣬Ͷ
    һͶԣֻеͬͬƣſɱȽϴС
һɻֻͣҪȽ
ֵС
    ֻбȵǰƣƣƲܳ

.....................................................

˳

    ɵƣȻʱ˳γƣ۵ʱ
ѡУӣӻ򰴹ơֱĳһƳͽ˾֡

.....................................................

Ʒֹ򣺣ÿֵ÷֣
   ֣
     ʤ 6 ֣Ҹ -3 ֣
     ܣ -6 ֣Ҹ 3 ֡
   ÿһըһ
   ƣһƶδһ

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