쵽֮҂RĆ}ȡůòfÿ҂M(fi)ȡůϵXһPС(sh)Ŀеĕr]̎ãXԼ]ܵԓеů^ڬF(xin)҂ȡůķʽһNеԒ߀xһN(dng)Ȼͬȡůʽ֮gҪM(fi)ărXDzһӵģ҂́һůůƬ{(dio)Ă|ȡů~Σ
ǵůĿǰڵůИI(y)з֞ɷNůքeůˮůůȻfˣ@NůHbrFůȡůһԒM(fi)Ҳһ˼ҽF(xin)ڌе@NݶM(fi)ʽһõԽ࣬յXԽůġһˮů͛]@ôFF(xin)ڲϷͱвټͥxˮůԼҵĹůʽһͨͥҪbĵůes100ƽңbM(fi)ôs3fKXbɺ߀ҪM(fi)ľȻXˡĿǰֳȻăr2.45Ԫÿ鷽Ӌ㣬҂2.5Ȼӟˮijؼӟᵽ40ԒһҪ15Ȼ⣬ôÿҪM(fi)Ȼ2.5×15=37.5Ԫôÿ37.5×30=1125Ԫȥÿ춼_ԒһҲ1000Ԫˡ
ůƬůƬ@Nȡůʽڱõñ^Ϸ߀ǺҊůƬůһÿgҪһKůƬf҂һͥһdӋԒҪُI4KůƬ5000KXһƬԒůƬM(fi)þ2fԪůƬҲҪˮӟģĜضҪȵůһһfůƬĜضҪ_(d)80ŕб^ů͵ĸX^ůƬڵůf߀DZ^˵ůƬһĵȻ10ңôÿM(fi)ȼ?x)M(fi)2.5×10=25ԪһҲֻ25×30=750Ԫ@һůƬڰbr߀ʹÃrҪȵů(jng)(j)أ
ǿ{(dio){(dio)@3Nůʽf(jng)(j)ˣʲô@ôf҂һ֪ˡĿǰЈһ_¿{(dio)ăr2000KX߀ǰһdӋ4_{(dio)ăr8000Ԫһ_{(dio)һСr0.8Ӌһ늵ăr0.8KXÿ_10Сrһһ_{(dio)M(fi)M(fi)6.4Ԫ4_4×6.4=25.6Ԫmf@růƬFһc҂һҪǾǼĿ{(dio)ÿ__@ôõһͥ棬һ_2_{(dio)Կ{(dio)M(fi)M(fi)HҪӋĸ
挦ůůƬ{(dio)M(fi)Ӌ㣬ŴﶼД(sh)@͔֮(sh)ůƬͿ{(dio)齛(jng)(j){(dio)к̎ҲЉ̎̎ůƬͬǿʹõ̎ƟЧexķNĹůʽr߀ҪȰц}]ȫˣ
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