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        1. 2012•Ihģx(du)˳L(zhng)ӰǾ޴һÕܸ׃?ni)˵һÿ?23ձ“(lin)χ(gu)̿ĽM_顰xաD1ijЌW(xu)ȫУ(g)꼉(j)W(xu)˔(sh)ֲνy(tng)Ӌ(j)Dа꼉(j)˔(sh)350ˣSC(j)ԓУЌW(xu)ijһxnrĽy(tng)Ӌ(j)Ո(qng)(j)y(tng)Ӌ(j)DеϢІ}
          1D1о꼉(j)ռĈAĽǵĶȔ(sh)
          126
          126

          2ABֵ
          ijһȫУW(xu)xny(tng)Ӌ(j)
          DN l(sh) l
          ճR(sh) B 0.2
          ˂ӛ 500 0.25
          800 A
             300 0.15
          3ԓУW(xu)ƽÿÿxٱn
          1}(j)߰꼉(j)ռİٷֱȼ꼉(j)˔(sh)ռȫУ?c)˔?sh)İٷD1о꼉(j)ռĈAĽǵĶȔ(sh)
          2lʿ(sh)1AֵɿճR(sh)l(sh)clʿ(sh)ٳlʼB
          3(j)νy(tng)Ӌ(j)DoĔ(sh)(j)?c)˔?sh)ÿ(sh)Կ?c)˔?sh)ɽ
          ⣺1ɈD1֪꼉(j)˔(sh)ռȫ?c)˔?sh)İٷֱȞ飺1-35%-30%=35%
          ԈD1о꼉(j)ռĈAĽǵĶȔ(sh)35%360=126㣮
          ʴ𰸞飺126

          2O(sh)W(xu)УDα(sh)xt
          500
          x
          =0.25
          x=2000
          A=
          800
          2000
          =0.4B=20000.2=400

          3ߌW(xu)?c)˔?sh)35035%=1000ˣ
          ԓУW(xu)ƽÿÿx
          2000
          1000
          =2n
          c(din)u(png)}xl(sh)ֲνy(tng)Ӌ(j)D@ȡϢxDr(sh)Ҫȫ漚(x)ͬr(sh)}Ҫ`мӛӲҪ\(yn)Ô(sh)νY(ji)˼Qɽy(tng)Ӌ(j)DʽoĔ(sh)W(xu)(sh)H}
          (x)(c)ϵд
          P(gun)(x)}

          ĿД(sh)W(xu) Դ

          2012•Ihģc(din)A-21ƽ3(g)λƽ1(g)λõc(din)Babtab=
          0
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          2012•IhģD(sh)77O(sh)aijʾiеjϵĔ(sh)磺a36ʾ3е6ϵĔ(sh)a36=4ta23-a22+a52-a53=
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          2012•IhģDʾһ(g)D(zhun)(dng)D(zhun)Pֳȷÿһ݃(ni)(bio)ϔ(sh)һD(zhun)(dng)D(zhun)P(dng)D(zhun)Pָֹͣ?bio)ڵą^(q)Ĕ(sh)ӛaڶD(zhun)(dng)D(zhun)P(dng)D(zhun)Pָֹͣ?bio)ڵą^(q)Ĕ(sh)ӛbע⣺ָǡָڷָôD(zhun)һֱָָijһ^(q)?yn)ֹ?BR>1タy=ax2+bx+2_µĸ
          2îDбķタy=ax2+bx+2Č(du)QSyS(c)ĸʣ

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          2012•IhģDʾABǡOֱAB=4DǡOϵһc(din)ABD=30㣬OFADBDc(din)EOc(din)F
          1DEL(zhng)ȣ
          2ӰֵeY(ji)У

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          ͬ(x)(c)