²dzҊ߲֮һǷNֲ²˵^װl(f)۲ʹ²˲L®a(chn)ô²˰۲ЩYôξ²˰۲һһ
һY
۲Ǿ²a(chn)^еijҊҪΣ~Ƭl(f)~Ƭa(chn)ùӣʬF(xin)СAΰɫ˪~_ʼʧGF(xin)\Sɫ߉Kؕr~Ƭ׃S׃ܛ´ή
²ͨڜůĭh(hun)ʩõ^ϲװl(f)۲ֲL^gȴӿ۲ٶ
δʩ
1Aʩ
ڵ؉KxҪx^ͨLˮõĵ؉KNֲƾ²˵ķNֲܶNrm?sh)ϡֲM磬ֲgҪrsݡ~pٲԴˮʹҪʩ⛷ֲ꿹
2δʩ
۲l(f)輰rˎΣx70%`1000Һ75%پ800Һ50%`600Һ50%˾600Һȣ~ÿ710쇊һBm(x)23Ρ
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