쵽֮҂RĆ}ȡůòfÿ҂MȡůϵXһPС(sh)Ŀеĕr]̎XԼ]ܵԓеů⡣^ڬF(xin)҂ȡůķʽһNеԒ߀xһNȻˣͬȡůʽ֮gҪMărXDzһӵ҂́һůůƬ{(dio)Ă|ȡů~ˡ

ǵůĿǰڵůИI(y)з֞ɷNůքeůˮůůȻf@NůHbrFůȡůһԒMҲһ˼ҽF(xin)ڌе@NݶMʽһõԽյXԽůġһˮů͛]@ôFˣF(xin)ڲϷͱвټͥxˮůԼҵĹůʽһͨͥҪbĵůes100ƽңbMôs3fKXbɺ߀ҪMľȻXĿǰֳȻăr2.45Ԫÿ鷽Ӌ㣬҂2.5㡣Ȼӟˮijؼӟᵽ40ԒһҪ15ȻôÿҪMȻ2.5×15=37.5Ԫôÿ37.5×30=1125Ԫȥÿ춼_ԒһҲ1000Ԫ

ůƬůƬ@Nȡůʽڱõñ^࣬Ϸ߀ǺҊġůƬůһÿgҪһKůƬf҂һͥһdӋԒҪُI4KůƬ5000KXһƬԒůƬMþ2fԪůƬҲҪˮӟģĜضҪȵůһһfůƬĜضҪ_80ŕб^ů͵ĸX^ůƬڵůf߀DZ^˵ģůƬһĵȻ10ôÿMȼM2.5×10=25ԪһҲֻ25×30=750Ԫ@һůƬڰbrϣ߀ʹÃrҪȵů(jng)

ǿ{(dio){(dio)@3NůʽУf(jng)ʲô@ôf҂һ֪ĿǰЈһ_¿{(dio)ăr2000KX߀ǰһdӋ4_{(dio)ăr8000Ԫһ_{(dio)һСr0.8Ӌһ늵ăr0.8KXÿ_10Сrһһ_{(dio)MM6.4Ԫ4_4×6.4=25.6Ԫmf@růƬFһc҂һҪǾǼĿ{(dio)ÿ__@ôõģһͥһ_2_{(dio)Կ{(dio)MMHҪӋĸͣ

挦ůůƬ{(dio)MӋŴﶼД(sh)@͔֮(sh)ůƬͿ{(dio)齛(jng){(dio)к̎ҲЉ̎̎ůƬͬǿʹõ̎ƟЧexķNĹůʽr߀ҪȰц}]ȫ
زϵϺYůͨ(j)(lin)W(wng)֙(qun)Ո(lin)ϵh

