쵽֮҂RĆ}ȡůòfÿ҂MȡůϵXһPС(sh)Ŀеĕr]̎XˣԼ]ܵԓеů^ڬF(xin)҂ȡůķʽһNеԒ߀xһN(dng)Ȼͬȡůʽ֮gҪMărXDzһӵģ҂́һůůƬ{(dio)Ă|ȡů~

ǵůĿǰڵůИI(y)з֞ɷNůքeůˮůůȻf@NůHbrFůȡůһԒMҲһ˼ҽF(xin)ڌе@NݶMʽһõԽ࣬յXԽůһˮů͛]@ôFF(xin)ڲϷͱвټͥxˮůԼҵĹůʽһͨͥҪbĵůes100ƽbMôs3fKXbɺ߀ҪMľȻXˡĿǰֳȻăr2.45Ԫÿ鷽Ӌ҂2.5Ȼӟˮijؼӟᵽ40ԒһҪ15ȻôÿҪMȻ2.5×15=37.5Ԫôÿ37.5×30=1125Ԫȥÿ춼_ԒһҲ1000Ԫ

ůƬůƬ@Nȡůʽڱõñ^Ϸ߀ǺҊůƬůһÿgҪһKůƬf҂һͥһdӋԒҪُI4KůƬ5000KXһƬԒůƬMþ2fԪůƬҲҪˮӟģĜضҪȵůһһfůƬĜضҪ_(d)80ϣŕб^ů͵ĸX^ůƬڵůf߀DZ^˵ůƬһĵȻ10ңôÿMȼ?x)M2.5×10=25ԪһҲֻ25×30=750Ԫˡ@һůƬڰbrϣ߀ʹÃrҪȵů(jng)

ǿ{(dio){(dio)@3Nůʽf(jng)ˣʲô@ôf҂һ֪ˡĿǰЈһ_¿{(dio)ăr2000KX߀ǰһdӋ㣬4_{(dio)ăr8000Ԫһ_{(dio)һСr0.8Ӌһ늵ăr0.8KXÿ_10Сrһһ_{(dio)MM6.4Ԫ4_4×6.4=25.6Ԫmf@růƬFһc҂һҪǾǼĿ{(dio)ÿ__@ôõһͥ棬һ_2_{(dio)Կ{(dio)MMHҪӋĸ

挦ůůƬ{(dio)MӋ㣬ŴﶼД(sh)@֮У͔(sh)ůƬͿ{(dio)齛(jng){(dio)к̎ҲЉ̎̎ůƬͬǿʹõ̎ƟЧeáxķNĹůʽr߀ҪȰц}]ȫˣ
زϵϺYůͨ(j)(lin)W(wng)֙(qun)Ո(lin)ϵh

