ƅf(xi)²߄
еČWһµ_ʼζ҂һµĿ~MڴһČWfxǷһȻһµƽ_-------WڴW(jng)vcȻͬl(f)F(xin)У@NӵF׃SCе̌WԺͬӌ(jng)v֪@һУԱMذl(f)]ԼĄ(chung)ԼڿƼϵĉ븶T`ƅf(xi)͌Mṩ@һ_@hļ(ji)Լעr.ѪҺƶ·
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˴_ƅf(xi)ճ\кͻӵ_չ˽oƅf(xi)עµѪҺͻ˽oһṩӽƼ֪RͿƼӍϢƽ_ԣxxWԺWƼ(chung)I(y)(chung) f(xi)_չһһȵ¹
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Ӽ{µijɆT^в_չƅf(xi)ĸ헻
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ƅf(xi)ȫwˆT
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20xx919--20xx929
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2F(xin)AΣÎչNϺ;顢DƬsu;Ч;[Ń(yu)TƷ;شҌƅf(xi)Ć}
3ԇ(ԇ)Ոԇ3grg922ϣ8c-10c
4ԇ(ԇ)Ոԇ2grg9268c-10c
ֽ(jng)MA
1壺1200*0.1=120(Ԫ)
2ˮ4*12*1.5=72(Ԫ)3ɫ̼ˮP2*15=30(Ԫ)4400*0.1=40(Ԫ)Ӌ120+72+30+40=262(Ԫ)
ƅf(xi)²߄P£
У־Ը߅f(xi)²߄04-11
µIJ߄04-04
²߄04-26
У־Ը߅f(xi)²߄07-29
У@²߄04-13
P²߄04-13
²߄04-11
f(xi)²߄03-18
Fί²߄04-11