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ǵůĿǰڵůИI(y)з֞ɷNůքeůˮůůȻf@NůHbrFůȡůһԒMҲһ˼ҽF(xin)ڌе@NݶMʽһõԽյXԽůһˮů͛]@ôFF(xin)ڲϷͱвټͥxˮůԼҵĹůʽһͨͥҪbĵůes100ƽbMôs3fKXbɺ߀ҪMľȻXˡĿǰֳȻăr2.45Ԫÿ鷽Ӌ㣬҂2.5Ȼӟˮijؼӟᵽ40ԒһҪ15ȻôÿҪMȻ2.5×15=37.5Ԫôÿ37.5×30=1125Ԫȥÿ춼_ԒһҲ1000Ԫ
ůƬůƬ@Nȡůʽڱõñ^Ϸ߀ǺҊůƬůһÿgҪһKůƬf҂һͥһdӋԒҪُI4KůƬ5000KXһƬԒůƬMþ2fԪҡůƬҲҪˮӟĜضҪȵůһһfůƬĜضҪ_(d)80ϣŕб^ů͵ĸX^ůƬڵůf߀DZ^˵ůƬһĵȻ10ôÿMȼ?x)M2.5×10=25ԪһҲֻ25×30=750Ԫ@һůƬڰbr߀ʹÃrҪȵů(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҂һҪ£ǾǼĿ{(dio)ÿ__@ôõһͥһ_2_{(dio)Կ{(dio)MMHҪӋĸ
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