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        F(xin)ڵλãW(sh) > СW(xu)„ > Сԇ} > С(sh)W(xu)ԇ} >

        СW(sh)֪R(sh)c(din)-ƽ(sh)

        (li)ԴW(sh)W(wng) 2012-10-12 11:35:25

        ܃(ni)

        ʽƽ(sh)=(sh)÷ݔ(sh)

        (sh)=ƽ(sh)×ݔ(sh)

        ݔ(sh)=(sh)÷ƽ(sh)

        ƽ(sh)=(zhn)(sh)+ÿһ(g)(sh)c(zhn)(sh)ĺ÷ݔ(sh)

        (sh)Լݔ(sh)ûʽM(jn)Ӌ(j).

        ڻ(zhn)(sh)(j)oĔ(sh)֮gP(gun)ϵ_һ(g)(zhn)(sh);һxcД(sh)^ӽĔ(sh)g(sh)(zhn)(sh);Ի(zhn)(sh)(bio)(zhn)нo(sh)c(zhn)(sh)IJ;вĺ;@Щƽ(sh);@(g)ƽ(sh)ͻ(zhn)(sh)ĺͣƽ(sh)wP(gun)ϵҊ(jin)ʽ

        VՈ(qng)΢ţ17310823356

        ICP09042963̖(ho)-15 W(wng)䣺11010802027854

        `ͲϢe(bo)Ԓ010-56762110 e(bo)]䣺wzjubao@tal.com

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