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北京市海淀?014年中考二模数学试?- 百度文库

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ѧ ĩ ϰ(ģ)

ѧ 20146

1Ծ6ҳ⣬25С⣬120֡ʱ120ӡ 2Ծʹ⿨׼ȷдѧУơ׼֤š 3һͿдڴ⿨ϣԾЧ 4ڴ⿨ϣѡ⡢ͼ2BǦúɫּǩֱ 5ԽԾ⿨Ͳݸֽһء һѡ⣨⹲32֣ÿС4֣

ĸѡֻһǷģ 1?6෴ A?1

B1

6 C?6 D6

22013122賿˹˵ġ϶šǷijɹ䣮ڴ˴ηУѡ϶šص߶Լ210ǧסԶص߶Լ368000ǧ׵ĵתƹ368000ÿѧʾΪ

ʵ

1

A36.8104B3.68106 C 3.68105D0.368106

3.ͼijͼü ABԲ׶ CԲD

4ͼABCDECAӳ. BAE=40㣬ACDĴСΪ

DACEBͼͼͼA150 C130

B140 D120

5һöʵؾȵӣӵϷֱ16ĵһӣϵһϳֵ4ĸΪ A

16B

13 C

12 D

236ͼıABCDǡOڽΣPǡCDϲͬڵCһ㣬BPCĴС A45 B60 C75 D90

7ijѧȤζ10ĿÿԵ10֣򲻴0֣ȫ40ͬѧμ˴˴ξǵĵ÷±ʾ

ɼ50 60 70 80 90 100 2

AODPBCʵ

֣ 2 5 13 10 7 3 ȫ40ͬѧijɼλֱ A7570 B7070 C8080 D7580

8ͼ1ABǰԲOֱOPNMĶԽON

ABֱȣQOPе. һֻ׳ӵA

УֱBذԲصAһ̨΢ͼ¼Ǽ¼˼׳й. ׳еʱΪt׳΢ͼ¼֮ľΪyʾytĺϵͼͼ2ʾô΢ͼ¼ǿλͼ1е A. M

B. NC. P D. Q

⣨⹲16֣ÿС4֣ 9ֽʽb3?6b2?9b=___________________

10дһyxʽ

y=______________.

11ھABCDУ9߳Ϊ1ɵġL͡ģͼãʱCF=3,BCߵijΪ_____________.

BEADFC12ƽֱϵһA(1, 1)ԵA²

ʵ

3

һAxĶԳƵA1, ӳ߶AA1A2,ʹ

2A1A2=AA1

ڶA2yĶԳƵA3, ӳ߶A2A3A4,ʹ

2A3A4?A2A3

A4xĶԳƵA5, ӳ߶A4A5A6,ʹ

2A5A6?A4A5

A2Ϊ________A2014Ϊ________. ⣨⹲30֣ÿС5֣

0?113.㣺|?3|??1??2cos30o

12?x?y?3,14ⷽ飺?

2x?3y?1.?15ͼڡABCBADУADBCཻڵEC=DEA=EB.

ACEDB֤BC=AD.

16֪a2?4ab?4b2?0ab?0

a?2b?(a?b)ֵ. 22a?b17. з̣飩򲻵ʽ飩Ӧ⣺

ÿ520йѧӪգijУʵС쿪չӪ.ǴʳƷȫලŻȡһݿ͵Ϣͼݿ

Ϣ 1. ͳɷ֣ʡ̼֬ˮ. 2Ϊ400. 3̼ˮǵ4. ʵ 4

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ѧ ĩ ϰ(ģ) ѧ 20146 1Ծ6ҳ⣬25С⣬120֡ʱ120ӡ 2Ծʹ⿨׼ȷдѧУơ׼֤š 3һͿдڴ⿨ϣԾЧ 4ڴ⿨ϣѡ⡢ͼ2BǦúɫּǩֱ 5ԽԾ⿨Ͳݸֽһء һѡ⣨⹲32֣ÿС4֣ ĸѡֻһǷģ 1?6෴ A?1 6֪ B1 6 C?6 D6 22013122賿˹˵ġ϶šǷijɹ䣮ڴ˴η

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