쵽֮҂RĆ}ȡůˣòfÿ҂M(fi)ȡůϵXһPС(sh)Ŀеĕr(sh)]̎XԼ]ܵԓеů^ڬF(xin)҂ȡůķʽ࣬һNеԒ߀xһN(dng)Ȼˣͬȡůʽ֮gҪM(fi)ăr(ji)XDzһӵģ҂́һůůƬ{(dio)Ă(g)|ȡů~
ǵůĿǰڵůИI(y)з֞ɷNůքeůˮůůȻf@NůHbr(ji)Fůȡůһ(g)ԒM(fi)Ҳһ˼ҽġF(xin)ڌ(sh)е@NݶM(fi)ʽһ(g)õԽյXԽůһ(g)ˮů͛]@ôFF(xin)ڲϷͱвټͥxˮůԼҵĹůʽһ(g)ͨͥҪbĵůes100ƽbM(fi)ôs3fKXbɺ߀ҪM(fi)ľȻXĿǰֳȻăr(ji)2.45Ԫÿף鷽Ӌ(j)҂2.5Ȼӟˮijؼӟᵽ40ԒһҪ15(g)ȻôÿҪM(fi)Ȼ2.5×15=37.5Ԫôÿ(g)37.5×30=1125Ԫȥÿ춼_Ԓһ(g)Ҳ1000Ԫˡ
ůƬůƬ@Nȡůʽڱõñ^Ϸ߀ǺҊůƬůһÿ(g)gҪһKůƬf҂һ(g)ͥһdӋ(j)ԒҪُI4KůƬ5000KXһƬԒůƬM(fi)þ2fԪҡůƬҲҪˮӟĜضҪȵůһһfůƬĜضҪ_(d)80(g)ŕб^ů͵ĸX^ůƬڵůf߀DZ^˵ůƬһĵȻ10(g)ôÿM(fi)ȼ?x)M(fi)2.5×10=25Ԫһ(g)Ҳֻ25×30=750Ԫ@һůƬڰbr(ji)߀ʹÃr(ji)Ҫȵů(jng)(j)أ
ǿ{(dio){(dio)@3Nůʽf(jng)(j)ˣʲô@ôf҂һ֪ˡĿǰЈһ_¿{(dio)ăr(ji)2000KX߀ǰһdӋ(j)㣬4_{(dio)ăr(ji)8000Ԫһ_{(dio)һ(g)Сr(sh)0.8Ӌ(j)һ늵ăr(ji)0.8KXÿ_10(g)Сr(sh)һһ_{(dio)M(fi)M(fi)6.4Ԫ4_4×6.4=25.6Ԫmf@(g)r(ji)ůƬFһc(din)҂һ(g)ҪǾǼĿ{(dio)ÿ__@ôõһ(g)ͥһ_2_{(dio)Կ{(dio)M(fi)M(fi)(sh)HҪӋ(j)ĸͣ
挦ůůƬ{(dio)M(fi)Ӌ(j)㣬ŴﶼД(sh)@֮У͔(sh)ůƬͿ{(dio)齛(jng)(j){(dio)к̎ҲЉ̎̎ůƬͬǿʹõģ̎ƟЧexķNĹůʽr(sh)߀ҪȰц}]ȫ
زϵϺYůͨ(j)(lin)W(wng)֙(qun)Ո(lin)ϵh