쵽֮҂RĆ}ȡůòfÿ҂M(fi)ȡůϵXһPС(sh)Ŀеĕr]̎XˣԼ]ܵԓеů^ڬF(xin)҂ȡůķʽһNеԒ߀xһN(dng)Ȼͬȡůʽ֮gҪM(fi)ărXDzһӵģ҂́һůůƬ{(dio)Ă|ȡů~

ǵůĿǰڵůИI(y)з֞ɷNůքeůˮůůȻf@NůHbrFůȡůһԒM(fi)Ҳһ˼ҽF(xin)ڌ(sh)е@NݶM(fi)ʽһõԽյXԽ࣬ůһˮů͛]@ôFˣF(xin)ڲϷͱвټͥxˮůԼҵĹůʽһͨͥҪbĵůes100ƽbM(fi)ôs3fKXbɺ߀ҪM(fi)ľȻXˡĿǰֳȻăr2.45Ԫÿ鷽Ӌ(j)㣬҂2.5Ȼӟˮijؼӟᵽ40ԒһҪ15Ȼ⣬ôÿҪM(fi)Ȼ2.5×15=37.5Ԫôÿ37.5×30=1125Ԫȥÿ춼_ԒһҲ1000Ԫ

ůƬůƬ@Nȡůʽڱõñ^࣬Ϸ߀ǺҊůƬůһÿgҪһKůƬf҂һͥһdӋ(j)ԒҪُI4KůƬ5000KXһƬԒůƬM(fi)þ2fԪůƬҲҪˮӟĜضҪȵůһһfůƬĜضҪ_(d)80ϣŕб^ů͵ĸX^ůƬڵůf߀DZ^˵ůƬһĵȻ10ôÿM(fi)ȼ?x)M(fi)2.5×10=25ԪһҲֻ25×30=750Ԫ@һůƬڰbr߀ʹÃrϣҪȵů(jng)(j)

ǿ{(dio)ˡ{(dio)@3NůʽУf(jng)(j)ʲô@ôf҂һ֪ĿǰЈһ_¿{(dio)ăr2000KXң߀ǰһdӋ(j)4_{(dio)ăr8000Ԫһ_{(dio)һСr0.8Ӌ(j)㣬һ늵ăr0.8KXÿ_10Сrһһ_{(dio)M(fi)M(fi)6.4Ԫ4_4×6.4=25.6Ԫmf@růƬFһc(din)҂һҪǾǼĿ{(dio)ÿ__@ôõһͥ棬һ_2_{(dio)Կ{(dio)M(fi)M(fi)(sh)HҪӋ(j)ĸͣ

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

