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吉林省九台市2014年中考数学四模试?含答? - 百度文库

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2014п̨ģ⿼

ѧ

һѡ⣨ÿС3֣24֣

15?402ĸУС A5 B?4 C0 D2

2Ųͬѧڡٶȡ롰й󣬰ٶΪؽԼΪ20 900

00020 900 000ÿѧʾΪ A2.09107 B20.9106 C0.209108 D2.09106 34Сͬ϶ɵļͼʾͼ

A

B C D

3⣩

?x?2x?1,4ʽ?Ľ⼯ϱʾȷ

2x?1ݣ3x?1?

-102-102-102-102(A) (B) (C) (D)

5Ϊ˷ḻͬѧǵĿίԱСƷ̵깺ëĺƹģ

1ëĺ1ƹĹ50ԪСһ320Ԫ6ͬëĺ10ͬƹģÿëΪxԪÿƹΪyԪжԪһη

?x?y?50,?x?y?50,?x?y?50,?x?y?50,A?B?C?D??6(x?y)?320.?6x?10y?320.?10x?6y?320. ?6x?y?320.6һѧᄊ˶ϣμߵ15˶Աijɼ±ʾ

ɼm 1.50 1.60 1.65 1.70 1.75 1.80 ˣ 1 2 4 3 3 2 Щ˶Ա߳ɼλֱ

A1.651.70 B1.701.70 C1.701.65 D34

7ͼһֱǰֱǶֱߵһϣ1=22㣬ô2

(A) 68㣮 (B)58㣮 (C) 32㣮 (D) 22㣮

yCQAPDx

21BO7⣩ (8⣩ 8ͼƽϵУ֪ABֱڡOCDıOCODϣ ABCֱΪ232146ABCDP2mOPֱCDڵQQΪ

(A) m (B) 2m (C) ?m (D) ?2m ⣨ÿС3֣18֣ 9ֽʽa2?8a=

10ijͬѧüɸӼʱõΪ+365.5ְ

?12Ϊ+12ôȷĽӦΪ

11ijУͬѧÿ˶ᵯٻݣֻᵯٵֻᵯݵ

10ˣֶ7ˣֻᵯݵmˣðͬѧ_______ˣúmĴʽʾ

12ͼǵCPUȵʾͼȹ9ҶƬÿҶƬԼΪ8cm2֪

AOB=120㣬ڷȵתУҶƬAOB ڲΪ______

y

12⣩ AOBAEFDPB13⣩

CO14⣩ x13ͼFΪABCDCDһ㣬BCFBF𣬵CǡADϵE㴦ABE͡DEFֱܳΪ107ABCDܳΪ 14ͼ뾶Ϊ1ĶPԲֱy?x?1ϣPʱP

Ϊ

⣨11С⣬78֣

155֣Ȼֵ2b2?(a?b)(a?b)?(a?b)2a??3b?1 2165֣ͼһ˿е4ƣϴȣȡ2ƣ

û״ͼбķ2Уϵֶżĸʣ

175֣ͼABǡOֱCDABڵECDB30㣬OC2Ӱͼε?

DAOECB186֣ͼһijҪٺһAڽܷʱΪ޶ȵر֤Чҷֹ˺٣߱Ӳ֪Ƥ

44'ļнǡCBAΪ32ߴҲ9.8cmB壬Ƥµȣȷ0.1cm

44'?0.54cos3244'?0.84tan3244'?0.64 οݣsin32

ƤC9.8cmB

A19(6)ijӳе9600׳Ľֵѩѩ1600׺Ϊ˼ٶԽͨӰ죬ѩѩ4Сʱѩ֪ʹѩĹЧԭ5ԭÿСʱѩף

206֣лչμ䡱УѧÿһСʱijУ

ʵʣҪëӣ˶ĿΪ˽ѧϲμһĿȡnѧе飨ÿͬѧѡһĿƳͳͼ

4030201002436ë 30nͬѧμӲͬĿ

ͳͼ

nͬѧμӲͬĿ

ͳͼ

Ϣ⣺ Ŀ ë 1nֵ

2ͳͼ 3֪У1 200ˣͳͼеϹȫУϲӵ 217֣ͼABCOOA?OC߷ֱxĸyϣBڷy??x<0ͼϣOC=2ABCOCΪתģʱת90õEFCDy? 1 kֵ 2ж߶BEеMǷڷy? 8xkx<0ͼ󾭹E xkx<0ͼϣ˵ɣ xyBMEFDCAOx228֣ͼƽֱϵУy??x2?bxA40.ֱx=2xύڵC Eֱx=2ϵһ㣬߶CEеGDFCEDF. 1ߵĽʽ. 2E߶ʱDFij. 3ıCDEFʱE. 23.(8) 1֣ͼ٣ھABCDУEBCе㣬ABEAE۵õAFEFھABCDڲӳAFCDڵGFCGFC״֤Ľۡ 2̽ͼڣ1еľABCDΪƽıΣ䣬1еĽǷȻ˵ɡ

AFGBEBCECDAFGD

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2014п̨ģ⿼ ѧ һѡ⣨ÿС3֣24֣ 15?402ĸУС A5 B?4 C0 D2 2Ųͬѧڡٶȡ롰й󣬰ٶΪؽԼΪ20 900 00020 900 000ÿѧʾΪ A2.09107 B20.9106 C0.209108 D2.09106 34Сͬ϶ɵļͼʾͼ A

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