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쵽֮҂RĆ}ȡůòfÿ҂M(fi)ȡůϵXһPС(sh)Ŀеĕr(sh)]̎XԼ]ܵԓеů^ڬF(xin)҂ȡůķʽһNеԒ߀xһN(dng)Ȼͬȡůʽ֮gҪM(fi)ăr(ji)XDzһӵ҂́һůůƬ{(dio)Ă(g)|ȡů㣿΢~

ǵůĿǰڵůИI(y)з֞ɷNůքeůˮůůȻf@NůHbr(ji)Fůȡůһ(g)ԒM(fi)Ҳһ˼ҽF(xin)ڌ(sh)е@NݶM(fi)ʽһ(g)õԽյXԽůһ(g)ˮů͛]@ôFˣF(xin)ڲϷͱвټͥ(hu)xˮůԼҵĹůʽһ(g)ͨͥҪbĵůes100ƽbM(fi)ôs3fKXbɺ߀ҪM(fi)ľȻXĿǰ󲿷ֳȻăr(ji)2.45Ԫÿ鷽Ӌ(j)҂2.5㡣Ȼӟˮijؼӟᵽ40ԒһҪ15(g)Ȼ⣬ôÿҪM(fi)Ȼ2.5×15=37.5Ԫôÿ(g)37.5×30=1125Ԫȥÿ춼_Ԓһ(g)Ҳ1000Ԫ

ůƬůƬ@Nȡůʽڱõñ^Ϸ߀ǺҊġůƬůһÿ(g)gҪһKůƬf҂һ(g)ͥһdӋ(j)ԒҪُI4KůƬ5000KXһƬԒůƬM(fi)þ2fԪůƬҲҪˮӟģĜضҪȵůһһfůƬĜضҪ_(d)80(g)ŕ(hu)б^ů͵ĸX^ůƬڵůf߀DZ^˵ůƬһĵȻ10(g)ңôÿM(fi)ȼ?x)M(fi)2.5×10=25Ԫһ(g)Ҳֻ25×30=750Ԫ@һůƬڰbr(ji)ϣ߀ʹÃr(ji)ϣҪȵů(jng)(j)أ

ǿ{(dio){(dio)@3Nůʽf(jng)(j)ˣʲô@ôf҂һ֪ĿǰЈһ_(ti)¿{(dio)ăr(ji)2000KX߀ǰһdӋ(j)㣬4_(ti){(dio)ăr(ji)8000Ԫһ_(ti){(dio)һ(g)Сr(sh)0.8Ӌ(j)һ늵ăr(ji)0.8KXÿ_10(g)Сr(sh)һһ_(ti){(dio)M(fi)M(fi)6.4Ԫ4_(ti)4×6.4=25.6Ԫmf@(g)r(ji)ůƬFһc(din)҂һ(g)Ҫ£ǾǼĿ{(dio)ÿ_(ti)_@ôõģһ(g)ͥһ_2_(ti){(dio)Կ{(dio)M(fi)M(fi)(sh)HҪӋ(j)ĸͣ

 

挦ůůƬ{(dio)M(fi)Ӌ(j)ŴﶼД(sh)@֮У͔(sh)ůƬͿ{(dio)齛(jng)(j){(dio)к̎ҲЉ̎̎ůƬͬǿʹõ̎ƟЧ؄exķNĹůʽr(sh)߀ҪȰц}]ȫ

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