쵽֮҂RĆ(wn)}ȡůòf(shu)ÿ҂M(fi)ȡůϵXһPС(sh)Ŀеĕr(sh)](mi)̎XԼ](mi)ܵԓеů⡣^(gu)ڬF(xin)҂(gu)ȡůķʽһNеԒ߀xһN(dng)Ȼˣͬȡůʽ֮gҪM(fi)ăr(ji)XDzһӵģ҂́(li)һůůƬ{(dio)Ă(g)|ȡů~Σ
ǵůĿǰڵůИI(y)з֞ɷNůքeůˮůůȻf(shu)ˣ@NůHbr(ji)Fůȡůһ(g)ԒM(fi)Ҳһ˼ҽF(xin)ڌ(sh)е@NݶM(fi)ʽһ(g)õԽ࣬յXԽů(du)ġһ(g)ˮů͛](mi)@ôFF(xin)ڲϷͱвټͥ(hu)xˮůԼҵĹůʽһ(g)ͨͥҪbĵůes100ƽbM(fi)ôs3f(wn)KXbɺ߀ҪM(fi)ľȻXĿǰֳȻăr(ji)2.45Ԫÿ鷽Ӌ(j)҂2.5(li)Ȼӟˮijؼӟᵽ40ԒһҪ15(g)ȻôÿҪM(fi)Ȼ2.5×15=37.5Ԫôÿ(g)(li)37.5×30=1125Ԫȥÿ춼_(ki)Ԓһ(g)Ҳ1000Ԫ
ůƬůƬ@Nȡůʽڱõñ^Ϸ߀ǺҊ(jin)ůƬůһÿ(g)gҪһKůƬf(shu)҂һ(g)ͥһd(li)Ӌ(j)ԒҪُ(gu)I4KůƬ5000KXһƬԒůƬM(fi)þ2f(wn)ԪůƬҲҪˮӟĜضҪȵůһһ(li)f(shu)ůƬĜضҪ_(d)80ϣ(g)ŕ(hu)б^ů͵ĸX(ju)^(gu)ůƬ(du)ڵů(li)f(shu)߀DZ^˵ģůƬһĵȻ10(g)ңôÿM(fi)ȼ?x)M(fi)2.5×10=25Ԫһ(g)Ҳֻ25×30=750Ԫˡ@һ(li)ůƬڰbr(ji)ϣ߀ʹÃr(ji)Ҫȵů(jng)(j)
ǿ{(dio){(dio)@3Nůʽf(shu)(jng)(j)ʲô@ôf(shu)҂һ֪ĿǰЈ(chng)һ_(ti)¿{(dio)ăr(ji)2000KXң߀ǰһdӋ(j)4_(ti){(dio)ăr(ji)8000Ԫһ_(ti){(dio)һ(g)Сr(sh)0.8Ӌ(j)㣬һ늵ăr(ji)0.8KXÿ_(ki)10(g)Сr(sh)һһ_(ti){(dio)M(fi)M(fi)6.4Ԫ4_(ti)4×6.4=25.6Ԫmf(shu)@(g)r(ji)ůƬFһc(din)҂һ(g)Ҫ£ǾǼĿ{(dio)ÿ_(ti)_(ki)@ôõһ(g)ͥ棬һ_(ki)2_(ti){(dio)Կ{(dio)M(fi)M(fi)(sh)HҪӋ(j)ĸͣ
挦(du)ůůƬ{(dio)M(fi)Ӌ(j)ŴﶼД(sh)ˣ@͔֮(sh)ůƬͿ{(dio)齛(jng)(j){(dio)к̎ҲЉ̎̎ůƬ(li)ͬǿʹõģ̎ƟЧexķNĹůʽr(sh)߀ҪȰц(wn)}]ȫ
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