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С̡ʧĺ~

r(sh)g2025-09-20 11:56:51 ~ ҪͶ

С̡ʧĺ~

W(xu)GMATԇ^׹˵IJ@Ҳǿwρ(li)f(shu)GMATW(xu)Ҳб^yյ֪RӋͽyӋP(gun)֪RܶͬW(xu)˶Ǜ](mi)кõĻAСһЩ(li)}GMATԇһ(li)һ°ɣ

С̡ʧĺ~

GMATԇ(jng)(hu )FӋ(jng)͔yӋP(gun)“(lin)}ĿӋ^ϤĿ(li)}Ŀr(sh)ܕ(hu )(jin)һЩ挢(hu )GMATW(xu)ԇгF(li)}ĿM(jn)Кw(li)ͷ

һ(li)ЧԷȵąӑՓ

(jin)ģͺӑՓf=b1X+b0ڴ_J/OģЧrb1,b0ֵM(jn)ӑՓb1,b0ؓM(jn)ӑՓͨ@N}Ŀǿóȴʽ_һòʽͿƌ(li)

@(li)}ĿǏVJ麆(jin)λo(w)h;

ڶ(li)ģ͵ЧԱM(jn)ӑՓ

x҂ĺ(jin)ξ(xin)ģ͵ĺ_ʽԓǣf=b1X+b0+uuܶлAGёԓc(din)ʲô˰҂Ҫ_҂ļOģǷЧҪÔ(li)yԇģuֵķֲͨ^(gu)ȷʽ(li)M(jn)пuֵr_ģǷЧІ(wn)}ҪM(jn)ģ҂u헵ĬF(sh)x˼һ҂Ͱl(f)F߉݋еҪͨ҂ģo(w)ǎ׷Nʽ^Ҋ(jin)У׃P(gun)r(sh)g

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