쵽֮҂RĆ}ȡůòfÿ҂MȡůϵXһPС(sh)Ŀеĕr]̎XˣԼ]ܵԓеů^ڬF(xin)҂ȡůķʽһNеԒ߀xһN(dng)Ȼˣͬȡůʽ֮gҪMărXDzһӵ҂́һůůƬ{(dio)Ă|ȡů~
ǵůĿǰڵůИI(y)з֞ɷNůքeůˮůůȻf@NůHbrFůȡůһԒMҲһ˼ҽġF(xin)ڌе@NݶMʽһõԽ࣬յXԽůġһˮů͛]@ôFF(xin)ڲϷͱвټͥxˮůԼҵĹůʽһͨͥҪbĵůes100ƽbMôs3fKXbɺ߀ҪMľȻXĿǰֳȻăr2.45Ԫÿ鷽Ӌ㣬҂2.5Ȼӟˮijؼӟᵽ40ԒһҪ15ȻôÿҪMȻ2.5×15=37.5Ԫôÿ37.5×30=1125Ԫȥÿ춼_ԒһҲ1000Ԫ
ůƬůƬ@Nȡůʽڱõñ^Ϸ߀ǺҊůƬůһÿgҪһKůƬf҂һͥһdӋԒҪُI4KůƬ5000KXһƬԒůƬMþ2fԪůƬҲҪˮӟģĜضҪȵůһһfůƬĜضҪ_80ŕб^ů͵ĸX^ůƬڵůf߀DZ^˵ůƬһĵȻ10ңôÿMȼM2.5×10=25ԪһҲֻ25×30=750Ԫˡ@һůƬڰbrϣ߀ʹÃrҪȵů(jng)
ǿ{(dio){(dio)@3Nůʽf(jng)ʲô@ôf҂һ֪ĿǰЈһ_¿{(dio)ăr2000KX߀ǰһdӋ㣬4_{(dio)ăr8000Ԫһ_{(dio)һСr0.8Ӌ㣬һ늵ăr0.8KXÿ_10Сrһһ_{(dio)MM6.4Ԫ4_4×6.4=25.6Ԫmf@růƬFһc҂һҪǾǼĿ{(dio)ÿ__@ôõһͥһ_2_{(dio)Կ{(dio)MMHҪӋĸ
挦ůůƬ{(dio)MӋŴﶼД(sh)@͔֮(sh)ůƬͿ{(dio)齛(jng){(dio)к̎ҲЉ̎̎ůƬͬǿʹõ̎ƟЧeáxķNĹůʽr߀ҪȰц}]ȫ
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