Ľ
һķ?/STRONG>
(һ)ķ
1մľݴƷƷưƷEƷϡb|ֵ?/P>
2մĴZص;ƴĴίⵥ?/P>
3մȡԴƴίмӹnـZĸZծȡõoxAďį?/P>
()Ĺ
1ֹͣ
2(yng)C?/P>
3ͽ
4S־
۳(Q(mo))DDۿPQ(mo)س
()DD?÷xʡl(bo)Ӗ(xn))
̶Խ(Ļ֧)
Դ?ʽ(yng)ϢʧݚӖ(xn))
̶Դ(۾ɷxĹ̶)س
ȱDDI(y)ɵͣʧʧʧcʧȡ
ȱܷߵس(yng)I(y)Ƿ(zh)ȱIJͬζȱȱأaس
06굥ѡ⡿TйصijУӰ?)
A. Ļ֧B.TIJ÷ C.ʽռ÷xD.\ݚ
SA
ߵĹҪ߷
1 ñ(zhn)DD(qing)ͻI(y)I(y)(yng)sI(y)ۿͻȼܾͻõnͨA(y)ԑĻʧr(sh)ʾñ(zhn)зҪͨɣ
(1)õȃr(ji)?/P>
(2)üxNͻIJ|ֵָ(zhn)Ƚ
(3)зŶѴ_йؿͻõȼ
2008굥ѡҵۿͻȼܾͻ?)
A.ñ(zhn) B. C. D.
SA
144(y)3
2ָI(y)|ͻör(sh)ĸҪҪޡۿۿ(sh)ȡ
(1)ޣָI(y)ͻӹ֧r(sh)
ͨ,ӳ,һ̶ë(sh)ӳ,:I(y):
һʹƽӳ,ռ(yng)zϵʽ(yng),;
ʧ˷õӡ
,I(y)(yng)ͻӳ,(yng)ӳ\`Ƿ\`ʳ
(2)ۿۺۿ
ۿPָԏ涨ʱǰĿͻɰһۿ?(2/10,N/45)ʾ45,ͻ10ԍ,ܻ2%ۿۡP?0ۿ;45;2%鼈ۿʡ
I(y)ǷṩԈ(jin)̶oۿ,ؿqṩۿۺõǷֽۿ۵ij?/P>
(3)x
һۿԂϲã_ۿ۳̶oķԂ_һ¡ֻṩڸʱۿۺۿȡ(du)ټij׃_d
ԑ_n
IJ?/P>
Q(mo)ǰ
Q(mo)ǰ=-?/P>
Q(mo) =ۿ+(yng)z+˷+ʧ
Q(mo)
Q(mo)=Q(mo)ǰ-Q(mo)
ܡs(zhn)\ԑQ(mo)ԍ\ǰģ\ޡȽϣ(yng)xQ(mo)ķW
(yng)zճ
1.(yng)z
(yng)z(qing)о(yng)z?/P>
^(yng)zṹM˿ռӦ˿ܼı?/P>
2.(yng)zֱCʷ
(yng)zֱC鑪(yng)I(y)֧ƥϵҪ_
ָ귏Gـvֽ֧۳ֿɿȌ(du)IJͨ(yng)տЧֲͱC̶ȡ
6-10
2008굥ѡGȫҪֽ?000Ԫͬ10·ݴ500Ԫ⣬ȶɿI?00ԪI(y)(yng)zܶ2000Ԫ(yng)zֱC()
A.25% B.50% C.75% D.100%
SB
(2000-500-500)/2000×100%=50%
ĿƷ
(һ)ABC
1ABC\(zhn)
ABCǰһ\(zhn)I(y)ĴABCֹPƉS͔յ?/P>
\(zhn)Ҫһ(zhn)Ʒ(zhn)
һԣĽشABC=0.7:0.2:0.1
شABC=0.1:0.2:0.7
2.Ļֲ
ʾI(y)ȫ(x)ÿ(zh)ļֵܶռȫİٷֱ;
(zhn)\־СJƽİٷֱ;
ٷֱJ70%r(sh)ϴAٷֱȽ70%-90%֮ĴBC
()öģ
ýܹʹһr(sh)ԟHﵽ͵?/P>
ýijҪ?ƽ);Դ?ƴ)sȱr(sh)ȱ
ͬijĿֲͬ\ϵٽӽk(ch)͵ͬr(sh)Ҳᵼ?Ľɱͣ߅˴egɱܺͱˮ?/P>
1.ģͨDDȱֻؽúش
ýģǰģȱΣʲȱr(sh)ֱصľֻнúʹ냦(ch)ܺˮƽµĽNý
Aij(zh)ȼO(png);
Bƽÿ^;
Cλoλ;
P
Q
H=ؽ+ش
ؽشr(sh)Hﵽͣ?/P>
(һ)ABC
()öģ
1ģ
2(sh)ۿ۵ľģ
3ȱr(sh)ľģ
H=ȱ+ؽ+ش
Rλȱ
ȱr(sh)ľý
()Rǔ[]?/P>
1.R㼴ָʔ㹫ʽ
R=ԭʹ×ԭ;r(sh)
ʽԭʹָÿĵԭ
2.ǰԂӷõr(sh)㹫I?/P>
ǰ=A(y)ƽԭϵ÷ԭʹ
3. մֹͻȻxQԑеĴ
㹫I?/P>
մ(A(y)ÿ×A(y)?ƽÿ×ǰ)
մĴȻsȱ˴
ZĴ߾Щ֮(qun)xʹH͵Rͱմ
2012ƿѾAΣ뿼ǸУ(2012VIP˷]ͣԽ+Մ)ĽxͶ^״̬УڱκʣӭA?A target=_blank>r(sh)븨רҡ?/P>