쵽֮҂RĆ}ȡůòfÿ҂MȡůϵXһPС(sh)Ŀеĕr]̎ãXԼ]ܵԓеů^ڬF(xin)҂ȡůķʽ࣬һNеԒ߀xһN(dng)Ȼˣͬȡůʽ֮gҪMărXDzһӵ҂́һ£ůůƬ{(dio)Ă|ȡů㣿~

ǵůĿǰڵůИI(y)з֞ɷNůքeůˮůůȻf@NůHbrFůȡůһԒMҲһ˼ҽF(xin)ڌе@NݶMʽһõԽյXԽůġһˮů͛]@ôFF(xin)ڲϷͱвټͥxˮůԼҵĹůʽһͨͥҪbĵůes100ƽbMôs3fKXbɺ߀ҪMľȻXĿǰֳȻăr2.45Ԫÿף鷽Ӌ㣬҂2.5Ȼӟˮijؼӟᵽ40ԒһҪ15Ȼ⣬ôÿҪMȻ2.5×15=37.5Ԫôÿ37.5×30=1125Ԫȥÿ춼_ԒһҲ1000Ԫˡ

ůƬůƬ@Nȡůʽڱõñ^Ϸ߀ǺҊůƬůһÿgҪһKůƬf҂һͥһdӋԒҪُI4KůƬ5000KXһƬԒůƬMþ2fԪůƬҲҪˮӟĜضҪȵůһһfůƬĜضҪ_80ŕб^ů͵ĸX^ůƬڵůf߀DZ^˵ůƬһĵȻ10ôÿMȼ?x)M2.5×10=25ԪһҲֻ25×30=750Ԫˡ@һůƬڰbr߀ʹÃrϣҪȵů(jng)

ǿ{(dio){(dio)@3Nůʽf(jng)ʲô@ôf҂һ֪ĿǰЈһ_¿{(dio)ăr2000KXң߀ǰһdӋ4_{(dio)ăr8000Ԫһ_{(dio)һСr0.8Ӌ㣬һ늵ăr0.8KXÿ_10Сrһһ_{(dio)MM6.4Ԫ4_4×6.4=25.6Ԫmf@růƬFһc҂һҪ£ǾǼĿ{(dio)ÿ__@ôõһͥһ_2_{(dio)Կ{(dio)MMHҪӋĸͣ

挦ůůƬ{(dio)MӋŴﶼД(sh)@͔֮(sh)ůƬͿ{(dio)齛(jng){(dio)к̎ҲЉ̎̎ůƬͬǿʹõģ̎ƟЧexķNĹůʽr߀ҪȰц}]ȫ
زϵϺYůͨ(j)(lin)W(wng)֙(qun)Ո(lin)ϵh

