쵽֮҂RĆ}ȡůòfÿ҂MȡůϵXһPС(sh)Ŀеĕr]̎XԼ]ܵԓеů⡣^ڬF(xin)҂ȡůķʽһNеԒ߀xһN(dng)Ȼͬȡůʽ֮gҪMărXDzһӵģ҂́һůůƬ{(dio)Ă|ȡů~
ǵůĿǰڵůИI(y)з֞ɷNůքeůˮůůȻf@NůHbrFůȡůһԒMҲһ˼ҽġF(xin)ڌе@NݶMʽһõԽյXԽůһˮů͛]@ôFF(xin)ڲϷͱвټͥxˮůԼҵĹůʽһͨͥҪbĵůes100ƽbMôs3fKXbɺ߀ҪMľȻXĿǰֳȻăr2.45Ԫÿ鷽Ӌ㣬҂2.5Ȼӟˮijؼӟᵽ40ԒһҪ15Ȼ⣬ôÿҪMȻ2.5×15=37.5Ԫôÿ37.5×30=1125Ԫȥÿ춼_ԒһҲ1000Ԫˡ
ůƬůƬ@Nȡůʽڱõñ^Ϸ߀ǺҊġůƬůһÿgҪһKůƬf҂һͥһdӋԒҪُI4KůƬ5000KXһƬԒůƬMþ2fԪҡůƬҲҪˮӟĜضҪȵůһһfůƬĜضҪ_80ŕб^ů͵ĸX^ůƬڵůf߀DZ^˵ůƬһĵȻ10ңôÿMȼM2.5×10=25ԪһҲֻ25×30=750Ԫ@һůƬڰbr߀ʹÃrϣҪȵů(jng)
ǿ{(dio){(dio)@3Nůʽf(jng)ʲô@ôf҂һ֪ĿǰЈһ_¿{(dio)ăr2000KXң߀ǰһdӋ4_{(dio)ăr8000Ԫһ_{(dio)һСr0.8Ӌһ늵ăr0.8KXÿ_10Сrһһ_{(dio)MM6.4Ԫ4_4×6.4=25.6Ԫmf@růƬFһc҂һҪǾǼĿ{(dio)ÿ__@ôõһͥ棬һ_2_{(dio)ˣԿ{(dio)MMHҪӋĸ
挦ůůƬ{(dio)MӋŴﶼД(sh)ˣ@͔֮(sh)ůƬͿ{(dio)齛(jng){(dio)к̎ҲЉ̎̎ůƬͬǿʹõģ̎ƟЧexķNĹůʽr߀ҪȰц}]ȫ
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