2012мְƿԡԤϰ

Ľ

һķ빦

(һ)ķ

1մľݴΪƷƷưƷڲƷϡװֵ׺Ʒ

2մĴŵصΪ;ƴĴίⵥλ

3մȡԴΪ⹺ƴίмӹĴͶͶĴܾĴܵծȡõĴǻԽ׻ĴӯĴ

()Ĺ

1ֹͣ

2Ӧг仯

3ͽɱ

4ά־

ɱ

ɱ

ɱ ۳ɱ(óɱ)DDۿۣóɱΪ޹سɱ

(ɱ)DD䶯Խ(÷ѡʡ绰籨ѵ)

̶Խ(רɹĻ֧)

ɱ 䶯Դɱ(ʽӦϢʧշѵ)

̶Դɱ(ֿ۾ɷѡְֿĹ̶)޹سɱ

ȱɱDDҵɵͣʧ󷢻ʧɥʧۻʧȡ

ȱɱܷΪߵسɱӦҵǷִȱIJͬζȱȱɱأھسɱ

06굥ѡ⡿¸йصijɱУӰ쾭ý()

A. רɹĻ֧B.ɹԱIJ÷ C.ʽռ÷ѡD.ıշ

𰸣A

ߵĹҪ߷

1 ñ׼DDǿͻҵҵӦ߱ҵۿͻȼܾͻõݡͨԤڵĻʧʱʾñ׼зҪͨɣ

(1)趨õȼ۱׼

(2)üлDZڿͻIJ񱨱ݣԵֵָ׼Ƚ

(3)зŶӣȷйؿͻõȼ

2008굥ѡҵۿͻȼܾͻõ()

A.ñ׼ B. C. D.

𰸣A

̲144ҳ3

2ָҵܿͻöʱĸҪҪޡۿ޼ֽۿʵȡ

(1)ޣָҵͻӹ֧ʱ޶

ͨ,ӳ,һ̶Ӷëʵӳ,:ҵ:

һʹƽӳ,ռӦ˿ϵʽӦ,ɱ;

ʧ˷õӡ

,ҵӦͻӳ,Ӧӳӵı߼Ƿӵı߼ʳɱ

(2)ֽۿۺۿ

ֽۿָۣڹ涨ʱǰĿͻɰһۿۡ (2/10,N/45)ʾΪ45,ͻ10ڸ,ܻ2%ֽۿۡ10Ϊۿ;45Ϊ;2%Ϊֽۿʡ

ҵǷṩԼṩ̶ȵֽۿ,ؿǵṩۿۺõǷֽۿ۵ijɱ

(3)ѡ

Ϊһֽۿڼϲãȷۿ۳̶ȵķڼȷһ¡ֻṩڸʱۿۺۿȡöӣټijɱ仯ȷѷ

ڵȷ£

IJ裺

óɱǰ

óɱǰ=-䶯ɱ

óɱ =ֽۿ+Ӧ˿ɱ+˷+ʧ

óɱ

óɱ=óɱǰ-óɱ

ܡ߱׼ıڵóɱڸıǰģıޡȽϣӦѡóɱķΪŷ

Ӧ˿ճ

1.Ӧ˿

Ӧ˿ǿоӦ˿ṹ

νӦ˿ṹָӦ˿ռӦ˿ܼıء

2.Ӧ˿ֱ֤ʷ

Ӧ˿ֱ֤ΪӦҵֽ֧ƥϵҪȷ

ָ귴ӳҵȶĻڼԤֽ֧۳ֿɿȶԴIJͨӦտЧֲͱ̶֤ȡ

̲6-10

2008굥ѡijҵȫҪֽ֧2000Ԫͬ10·ݴ500Ԫ⣬ȶɿֽΪ500ԪҵӦ˿ܶΪ2000ԪӦ˿ֱ֤Ϊ()

A.25% B.50% C.75% D.100%

𰸣B

(2000-500-500)/2000×100%=50%

ĿƷ

(һ)ABC

1ABCı׼

ABCǰһı׼ҵĴΪABCֱ࣬ʵзƷصһƺͰܶյĴ

ı׼Ҫһǽ׼Ʒ׼

һԣĽشΪABC=0.7:0.2:0.1

شΪABC=0.1:0.2:0.7

2.ĻֲΪ

ʾҵȫϸÿִļֵܶռȫİٷֱ;

սı־ɴСۼƽİٷֱ;

ٷֱۼӵ70%ʱϴΪAٷֱȽ70%-90%֮ĴΪBΪC

()öģ

ýܹʹһʱڴܳɱﵽ͵Ľ

ýijɱҪ䶯Խ(ƽ);䶯Դɱ(ƴɱ)Լȱʱȱɱ

ͬijɱĿֲͬı䶯ϵٽӽӰ촢ɱ͵ͬʱҲᵼ½ȱɱ;෴ӽٽȱɱͣɱߡ˴һѽʹɱܺͱˮƽ

1.ģͨDDȱֻؽúشɱ

ýģΪǰģȱΣʲȱɱʱֱصľֻнúʹɱ봢ɱܺˮƽµĽǾý

Aijִȼƻ;

Bƽÿν;

Cλȵλɱ;

P

Q

ܳɱ=ؽ+شɱ

ؽشɱʱܳɱﵽͣʱ

(һ)ABC

()öģ

1ģ

2ʵۿ۵ľģ

3ȱʱľģ

ܳɱ=ȱɱ+ؽ+شɱ

RΪλȱɱ

ȱʱľý

()ٶ㡢ǰںͱմ

1.ٶ㼴ָʱдԭ㹫ʽΪ

ٶ=ԭʹ×ԭ;ʱ

ʽԭʹָÿĵԭ

2.ǰڼӷõʱ㹫ʽΪ

ǰ=Ԥƽԭϵ÷ԭʹ

3. մΪֹͻȻӻ򽻻ڵеĴ

㹫ʽΪ

մ(Ԥÿ×Ԥǰ-ƽÿ×ǰ)

մĴȻԼȱɱ˴ɱ

ŵĴ߾Щɱ֮Ȩѡʹܳɱ͵ٶͱմ

Ϣ
2012мְƿԡ
2012мְƿԡ

2012ְƿѾ뵽׶Σ뿼ǸУγ(2012ְVIP˷ѰߣͣԽ̲+̸)ĽȣͶ뵽ϰ״̬Уڱκʣӭ¼Уɰ̳ʱ븨רҡһ