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ϺY{(dio)޹˾gӭ Ϻ K Ͼ ղرվ | ھ(bo)r(ji) | վc(din)؈D | “(lin)ϵY |
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쵽֮҂RĆ}ȡůòfÿ҂M(fi)ȡůϵXһPС(sh)Ŀеĕr(sh)]̎ãXԼ]ܵԓеů⡣^ڬF(xin)҂ȡůķʽһNеԒ߀xһN(dng)Ȼˣͬȡůʽ֮gҪM(fi)ăr(ji)XDzһӵ҂́һůůƬ{(dio)Ă(g)|ȡů΢~ˡ

ǵůĿǰڵůИI(y)з֞ɷNůքeůˮůůȻf@NůHbr(ji)Fůȡůһ(g)ԒM(fi)Ҳһ˼ҽF(xin)ڌ(sh)е@NݶM(fi)ʽһ(g)õԽյXԽ࣬ůһ(g)ˮů͛]@ôFˣF(xin)ڲϷͱвټͥ(hu)xˮůԼҵĹůʽһ(g)ͨͥҪbĵůes100ƽbM(fi)ôs3fKXbɺ߀ҪM(fi)ľȻXĿǰ󲿷ֳȻăr(ji)2.45Ԫÿ鷽Ӌ(j)㣬҂2.5Ȼӟˮijؼӟᵽ40ԒһҪ15(g)ȻôÿҪM(fi)Ȼ2.5×15=37.5Ԫôÿ(g)37.5×30=1125Ԫȥÿ춼_Ԓһ(g)Ҳ1000Ԫˡ

ůƬůƬ@Nȡůʽڱõñ^Ϸ߀ǺҊůƬůһÿ(g)gҪһKůƬf҂һ(g)ͥһdӋ(j)ԒҪُI4KůƬ5000KXһƬԒůƬM(fi)þ2fԪůƬҲҪˮӟģĜضҪȵůһһfůƬĜضҪ_(d)80(g)ŕ(hu)б^ů͵ĸX^ůƬڵůf߀DZ^˵ģůƬһĵȻ10(g)ôÿM(fi)ȼ?x)M(fi)2.5×10=25Ԫһ(g)Ҳֻ25×30=750Ԫ@һůƬڰbr(ji)߀ʹÃr(ji)ϣҪȵů(jng)(j)

ǿ{(dio)ˡ{(dio)@3NůʽУf(jng)(j)ʲô@ôf҂һ֪ĿǰЈһ_¿{(dio)ăr(ji)2000KX߀ǰһdӋ(j)4_{(dio)ăr(ji)8000Ԫһ_{(dio)һ(g)Сr(sh)0.8Ӌ(j)һ늵ăr(ji)0.8KXÿ_10(g)Сr(sh)һһ_{(dio)M(fi)M(fi)6.4Ԫ4_4×6.4=25.6Ԫmf@(g)r(ji)ůƬFһc(din)҂һ(g)ҪǾǼĿ{(dio)ÿ__@ôõһ(g)ͥ棬һ_2_{(dio)Կ{(dio)M(fi)M(fi)(sh)HҪӋ(j)ĸ

 

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

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