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ǵůĿǰڵůИI(y)з֞ɷNůքeůˮůůȻf@NůHbrFůȡůһԒM(fi)Ҳһ˼ҽF(xin)ڌ(sh)е@NݶM(fi)ʽһõԽյXԽůġһˮů͛]@ôFF(xin)ڲϷͱвټͥxˮůԼҵĹůʽһͨͥҪbĵůes100ƽbM(fi)ôs3fKXbɺ߀ҪM(fi)ľȻXĿǰֳȻăr2.45Ԫÿ鷽Ӌ҂2.5Ȼӟˮijؼӟᵽ40ԒһҪ15Ȼ⣬ôÿҪM(fi)Ȼ2.5×15=37.5Ԫôÿ37.5×30=1125Ԫȥÿ춼_ԒһҲ1000Ԫ
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