쵽֮҂RĆ}ȡůòfÿ҂M(fi)ȡůϵXһPС(sh)Ŀеĕr]̎XˣԼ]ܵԓеů^ڬF(xin)҂ȡůķʽһNеԒ߀xһN(dng)Ȼˣͬȡůʽ֮gҪM(fi)ărXDzһӵģ҂́һůůƬ{(dio)Ă|ȡů㣿~
ǵůĿǰڵůИI(y)з֞ɷNůքeůˮůůȻf@NůHbrFůȡůһԒM(fi)Ҳһ˼ҽF(xin)ڌе@NݶM(fi)ʽһõԽ࣬յXԽůġһˮů͛]@ôFF(xin)ڲϷͱвټͥxˮůԼҵĹůʽһͨͥҪbĵůes100ƽbM(fi)ôs3fKXbɺ߀ҪM(fi)ľȻXĿǰֳȻăr2.45Ԫÿף鷽Ӌ҂2.5㡣Ȼӟˮijؼӟᵽ40ԒһҪ15Ȼ⣬ôÿҪM(fi)Ȼ2.5×15=37.5Ԫôÿ37.5×30=1125Ԫȥÿ춼_ԒһҲ1000Ԫ
ůƬůƬ@Nȡůʽڱõñ^࣬Ϸ߀ǺҊůƬůһÿgҪһKůƬf҂һͥһdӋԒҪُI4KůƬ5000KXһƬԒůƬM(fi)þ2fԪҡůƬҲҪˮӟĜضҪȵůһһfůƬĜضҪ_(d)80ŕб^ů͵ĸX^ůƬڵůf߀DZ^˵ůƬһĵȻ10ңôÿM(fi)ȼ?x)M(fi)2.5×10=25ԪһҲֻ25×30=750Ԫˡ@һůƬڰbrϣ߀ʹÃrҪȵů(jng)(j)أ
ǿ{(dio){(dio)@3Nůʽf(jng)(j)ʲô@ôf҂һ֪ĿǰЈһ_¿{(dio)ăr2000KX߀ǰһdӋ㣬4_{(dio)ăr8000Ԫһ_{(dio)һСr0.8Ӌһ늵ăr0.8KXÿ_10Сrһһ_{(dio)M(fi)M(fi)6.4Ԫ4_4×6.4=25.6Ԫmf@růƬFһc(din)҂һҪǾǼĿ{(dio)ÿ__@ôõһͥһ_2_{(dio)Կ{(dio)M(fi)M(fi)HҪӋĸͣ
挦ůůƬ{(dio)M(fi)ӋŴﶼД(sh)@֮У͔(sh)ůƬͿ{(dio)齛(jng)(j){(dio)к̎ҲЉ̎̎ůƬͬǿʹõģ̎ƟЧexķNĹůʽr߀ҪȰц}]ȫ
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