ӢZиԇע(xing)
1}ҪxC(j)
(j)ijP(gun)Ӗ(xn)C(j)(gu)(dn)Ҋ?yn)иy(yn)XռʩеģԿxģ}rҲռcC(j)һӻӽԇ}ڽ(jng)^C(j)ģ}(x)桢IPXW(xu)(x)C(j)չļPy(yn)D(zhun)QЅf(xi)ڙC(j)rģ}협(yng)y(yn)(ji)ĺr̎}cиW(wng)һ(j)xڿǰ@ιҪ25@NȫXC(j)ģ}Ϳ(j)}M(jn)һ(x)A(y)䡣
E[һľCϽ̳һPЃ}cиC(j)ǸһӵҁһETS(y(yn)Чg)ٷW(wng)վϵM(fi)}ȫʽ}ʽһHΑB(ti)RXȫһӵġڽʮԪ@}֮5ETSиuˆT(yng)oһָ(dng)ǰĆ}c(din)Koolearn.com@W(wng)վҲM(jn)˃}rETSپW(wng)Ҫrÿ60Ԫ
2ͻ ɝqҪ
(sh)ȻҪ(qing)Sø߷ֽ^yиy(yn)עؽѓ(j)fxһͬ쿼ӢZ(Q)Cϲܡړ(j)fx@ľֲy(yn)(ni)ֲ(sh)`϶ڿ ֲyȼӴСԒϤ(sh)LԒLӣҪ ̶Ҫ⏊(qing)ڶԒ6}12}͆һЩԒ}硰LһԢӵijʲôӵġԒ4}MǺ P(gun)(j) Ć}M(jn)д(f)Ҋ ıռһֲСCόxһƪ һƪԅ20иԇļ(j)x ă(ni)M(jn)пY(ji)x Bϵһͬ죬ʹÜy(yn)׃ӿƌW(xu)K(x)M(jn)У翼 ˥ȻҪģ}錧(do)(x)r(qing) (x)ڶڃ(ni)ҲбȻM(jn)
E[y(yn)һЩУ@ԒԼW(xu)ƵČW(xu)g(sh)ԶETSġиy(yn)ٷָϡ(jng) y(yn)(ni)ݺ}ͶúˣҲѕе}x
3~R?zhn)(x)
иy(yn)Ҫ~RҪ@MǞxЧxн1/3Ę(bio)}ǿ~R}ÿƪ¶4}~Rͬx~x~ஔ(dng)~RȔMԇ
E[~RҪԟoˣ~RҪ@ʾǂҪҪôֿ־_ƴȻ˲©
4W(xu)úԷ̖ӛҪc(din)
иy(yn)XLM(jn)oڿ}Ϯc(din)ӛPӛԿȻҪB(yng)ӛPӛ(x)ͼӛPӛIJΓи~R ? y(yn)ŹֻǶ̶̵Ď@һM(jn)пҊ}ģ܉ Ȼt}Ҫļ(x)(ji)ȻҪӛSڴ}ĕrֲ ҪӛPӛҪW(xu)úԷ̖ӛҪc(din) 6ƪx4ƪvһƪƪLԞ鱾ӛסе(sh)`ϵKˡԲՓЧ]Ҫ߅ ߅ӛԒֲĺ4}ҲȫهӛPӛ@}dž ʲôȻD(zhun)SPӛӛúãͿԿ˵ĹPӛ(f)ʮа˾ePӛڌͬ Ҫc(din)ӛd(yng)c(din)ҳҲͲɆ}
E[ģ(x)һ10ܺܿ옋(gu)ɱһӛPӛkݏȷϼ^¶F(xin)_չݣ¼^¶F(xin)I(y)»߀ຆ(j)˵(x)ℓ(chung)һЩ̖
5(x)_}
@ιҪ(x)Д_r´(f)Ԓ}ڽy(tng)һƈĿ}ٶȼЕr߀xĕr˾_ SĔ_⡣Ŀǰ_(x)[rX(f)}ȻҪذѴ(f)fԒǰ}45}60룬ԿҲҪ(x)һ֮(ni)fһ}^c(din)IJĥ̹MZ߉IJ
E[壺ڴ(f)ĕrֱȻҪ??_Y(ji)ĵĎc(din)Sپ͕Xܲe̹(ni)o߉?jn)?sh)һ
6ǰKա
?yn)иǙC(j)ڜy(yn)ϱҎ(gu)Üy(yn)ҪҪW(xu)ڕrމ}ȷһƪx20֮(ni)Ԓ(bio)}Ҏ(gu)t45(ni)ɾͱȻrҲһ30犃(ni)ȻҪ(jng)^Xģ}ȫչԒǿ협(yng)
E[ȷԇǶ̶45e^fʲôҲ ʹõČW(xu)(x)C(j)(x)ģ}rҪo˶һKաԇ߀ЎͱȻҪ߀Ў犾ͱȻҪ
ԴW(wng)j(lu) ؟(z)ăHތW(xu)(x)a(chn)(qun)}Ո(lin)ϵ҂rh