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        1. 2008•ꖣijW(xu)УƼ(dng)СM˲ֿƼa(chn)Ʒʣļ҃ɷNԭ100(g)ABɷN̖(ho)šƷ֪ÿһ(g)ˇƷ҃ɷNԭұ֪ʣļ׷Nԭ29ǧˣҷNԭ37.2ǧO(sh)x(g)A͹ˇƷ
          ̖(ho)
          ǧ/(g)
          ԭ 


               0.5 0.2 
                0.3 0.4
          1x(yng)MIJʽMP(gun)ϵʽ
          2Ո(qng)O(sh)Ӌ(j)ABɷN̖(ho)šƷ
          3(jng)Ј(chng)˽A͹ˇƷۃr(ji)25Ԫ/(g)B͹ˇƷۃr(ji)15Ԫ/(g)@ɷN̖(ho)Nۿ~yԪՈ(qng)ycx֮gĺ(sh)P(gun)ϵʽָķNʹNۿ~Nۿ~
          𰸡1(j)׷Nԭ29ǧˡҷNԭ37.2ǧˡֱвʽM
          2⣨1еIJʽMȡ(sh)ֵN
          3(j)}ɵy=25x+100-x×15=1500+10xȻӑՓxֵr(sh)N~
          ⣺1(j)}

          2
          28x30
          ෽1A28(g)B72(g)
          2A29(g)B71(g)
          3A30(g)B70(g)

          3һy=25x+100-x×15=1500+10x
          ֡28x30(sh)y=1500+10x(sh)
          ஔ(dng)x=30r(sh)y=1500+10×30=1800Ԫ
          (dng)÷3A͹ˇƷa(chn)30(g)Ba(chn)70(g)r(sh)Nۿ~Nۿ~1800Ԫ

          1x=28Ŀ~y1=25×28+15×72=700+1080=1780Ԫ
          2x=29Ŀ~y2=25×29+15×71=700+1080=1790Ԫ
          3x=30Ŀ~y3=25×30+15×70=700+1080=1800Ԫ
          ^y1y2y3÷3Aa(chn)30(g)Ba(chn)70(g)r(sh)Nۿ~Nۿ~1800Ԫ
          c(din)u(png)}һԪһβʽMđ(yng)ãF(xin)(sh)е¼c(sh)W(xu)˼“(lin)ϵx}гʽP(gun)ϵʽҪ(hu)÷˼ӑՓ}òʽֵ÷Ć}
          (x)(c)ϵд
          P(gun)(x)}

          ĿД(sh)W(xu) Դ2008ȫп(sh)W(xu)ԇ}R(sh)(j)01棩 x}

          2008•ꖣijЌW(xu)1һMʮһλͬW(xu)Ð֧Ԯ(zi)^(q)ؽ҈@Լƽr(sh)e㻨Xo(zi)^(q)~քe飺2025304050505060707580ԪՈ(qng)ƽ(sh)λ(sh)ͱ(sh)ĴСP(gun)ϵǣ
          Aƽ(sh)λ(sh)(sh)
          Bƽ(sh)λ(sh)(sh)
          Cƽ(sh)(sh)λ(sh)
          D(sh)=λ(sh)=ƽ(sh)

          鿴𰸺ͽ>>

          ĿД(sh)W(xu) Դ2008ʡп(sh)W(xu)ԇ棩 }

          2008•ꖣijW(xu)УƼ(dng)СM˲ֿƼa(chn)Ʒʣļ҃ɷNԭ100(g)ABɷN̖(ho)šƷ֪ÿһ(g)ˇƷ҃ɷNԭұ֪ʣļ׷Nԭ29ǧҷNԭ37.2ǧO(sh)x(g)A͹ˇƷ
          ̖(ho)
          ǧ/(g)
          ԭ 


               0.5 0.2 
                0.3 0.4
          1x(yng)MIJʽMP(gun)ϵʽ
          2Ո(qng)O(sh)Ӌ(j)ABɷN̖(ho)šƷ
          3(jng)Ј(chng)˽A͹ˇƷۃr(ji)25Ԫ/(g)B͹ˇƷۃr(ji)15Ԫ/(g)@ɷN̖(ho)Nۿ~yԪՈ(qng)ycx֮gĺ(sh)P(gun)ϵʽָķNʹNۿ~Nۿ~

          鿴𰸺ͽ>>

          ĿД(sh)W(xu) Դ2008ʡп(sh)W(xu)ԇ棩 }

          2008•ꖣW(xu)[ɽ@TƱr(ji)±ʾijЌW(xu)꼉(j)҃ɂ(g)๲105ȥɽ@мװ˔(sh)50˵40ɂ(g)඼԰λքeُƱtһ(yng)2349Ԫɂ(g)“(lin)ُƱtʡXՈ(qng)
          1ɰжW(xu)
          2“(lin)ُƱ҃ɰ(ji)s˶Ԫ

          鿴𰸺ͽ>>

          ĿД(sh)W(xu) Դ2008ʡп(sh)W(xu)ԇ棩 x}

          2008•ꖣijЌW(xu)1һMʮһλͬW(xu)Ð֧Ԯ(zi)^(q)ؽ҈@Լƽr(sh)e㻨Xo(zi)^(q)~քe飺2025304050505060707580ԪՈ(qng)ƽ(sh)λ(sh)ͱ(sh)ĴСP(gun)ϵǣ
          Aƽ(sh)λ(sh)(sh)
          Bƽ(sh)λ(sh)(sh)
          Cƽ(sh)(sh)λ(sh)
          D(sh)=λ(sh)=ƽ(sh)

          鿴𰸺ͽ>>

          ͬ(x)(c)