쵽֮҂RĆ(wn)}ȡůˣòf(shu)ÿ҂M(fi)ȡůϵX(qin)һPС(sh)Ŀеĕr(sh)](mi)̎X(qin)Լ](mi)ܵԓеů^(gu)ڬF(xin)҂(gu)ȡůķʽ࣬һNеԒ߀xһN(dng)Ȼͬȡůʽ֮gҪM(fi)ăr(ji)X(qin)Dzһӵ҂́(li)һ£ůůƬ{(dio)Ă(g)|ȡů~
ǵůĿǰڵůИI(y)з֞ɷNůքeůˮůůȻf(shu)ˣ@NůHbr(ji)Fůȡůһ(g)ԒM(fi)Ҳһ˼ҽġF(xin)ڌ(sh)е@NݶM(fi)ʽһ(g)õԽյX(qin)Խ࣬ů(du)һ(g)ˮů͛](mi)@ôFF(xin)ڲϷͱвټͥ(hu)xˮůԼҵĹůʽһ(g)ͨͥҪbĵůes100ƽbM(fi)ôs3f(wn)KX(qin)bɺ߀ҪM(fi)ľȻX(qin)ĿǰֳȻăr(ji)2.45Ԫÿ鷽Ӌ(j)㣬҂2.5(li)Ȼӟˮijؼӟᵽ40ԒһҪ15(g)ȻôÿҪM(fi)Ȼ2.5×15=37.5Ԫôÿ(g)(li)37.5×30=1125Ԫȥÿ춼_(ki)Ԓһ(g)Ҳ1000Ԫˡ
ůƬůƬ@Nȡůʽڱõñ^࣬Ϸ߀ǺҊ(jin)ůƬůһÿ(g)gҪһKůƬf(shu)҂һ(g)ͥһd(li)Ӌ(j)ԒҪُ(gu)I4KůƬ5000KX(qin)һƬԒůƬM(fi)þ2f(wn)ԪůƬҲҪˮӟĜضҪȵůһһ(li)f(shu)ůƬĜضҪ_(d)80(g)ŕ(hu)б^ů͵ĸX(ju)^(gu)ůƬ(du)ڵů(li)f(shu)߀DZ^˵ůƬһĵȻ10(g)ôÿM(fi)ȼ?x)M(fi)2.5×10=25Ԫһ(g)Ҳֻ25×30=750Ԫ@һ(li)ůƬڰbr(ji)߀ʹÃr(ji)Ҫȵů(jng)(j)أ
ǿ{(dio){(dio)@3Nůʽf(shu)(jng)(j)ʲô@ôf(shu)҂һ֪ĿǰЈ(chng)һ_(ti)¿{(dio)ăr(ji)2000KX(qin)ң߀ǰһdӋ(j)4_(ti){(dio)ăr(ji)8000Ԫһ_(ti){(dio)һ(g)Сr(sh)0.8Ӌ(j)һ늵ăr(ji)0.8KX(qin)ÿ_(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)ҪǾǼĿ{(dio)ÿ_(ti)_(ki)@ôõһ(g)ͥ棬һ_(ki)2_(ti){(dio)Կ{(dio)M(fi)M(fi)(sh)HҪӋ(j)ĸ
挦(du)ůůƬ{(dio)M(fi)Ӌ(j)ŴﶼД(sh)@֮У͔(sh)ůƬͿ{(dio)齛(jng)(j){(dio)к̎ҲЉ̎̎ůƬ(li)ͬǿʹõģ̎ƟЧexķNĹůʽr(sh)߀ҪȰц(wn)}]ȫ
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