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2018年浙江省绍兴市中考数学试卷及答案解析 - 百度文库

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˵ݽԤݿܲȫҪĵҪݣwordʹáword΢ź:xxxxxxxQQxxxxxx ܸṩĵл֧½⡣

2018㽭ʡпѧԾ𰸽

150֣ʱ120ӣ

һѡ⣺⹲10С⣬ÿС3֣30֣д̣

ڣ 12018㽭ˣ13֣2mΪ?2m3mɼΪ A?3m B?2m C?3m D?2m

𰸡C

2mΪ?2m3mɼΪ٣Ϊ෴ΪΪ3mɼΪ?3mѡC ֪ʶ㡿͸

22018㽭ˣ23֣ˮɽǽɽɽΪ˴õ̬㽭ʡ2017ӺԼ116000000116000000ÿѧԱʾΪ

A1.16?10 B1.16?10 C1.16?10 D0.116?10 𰸡B

ѧʽΪa?101a10nΪ116000000aȡ1.16Сƶ8λnȡ8116000000ÿѧԱʾΪ1.16?10ѡB

֪ʶ㡿ѧ

32018㽭ˣ33֣.6ͬɵļͼʾͼǣ

89879n

A B C D 3ͼ

𰸡D

濴һСΣڶһСΣһСΣڶк͵иһСΣѡD ֪ʶ㡿򵥼ͼ

42018㽭ˣ43֣ һöʵؾȵһΣӵϷֱ123456һΪ2ĸǣ A

1115 B C D 6326

𰸡A

6Ϊ2ֻһ棬Ϊ6һ2ֻһ棬һΪ2ĸǡ֪ʶ㡿

52018㽭ˣ53֣ һλͬѧĵ⣺(a?b)?a?b.

2221ѡA 6(?2a2)2??4a4.a5?a3?a2.a3?a4?a12.Եһǣ

A B C D

𰸡C

22?a?b??a?2ab?bʢٴ-2a22??2?4a4ڴa5?a3?a2۶ԣ

a3?a4?a7ܴѡC

֪ʶ㡿˷ʽݵ

62018㽭ˣ63֣ͼһͼBA߶BCCDɣеA(?1,2)B(1,3)C(2,1)D(6,5)˺

Ax?1ʱyx

Bx?1ʱyxС Cx?1ʱyx Dx?1ʱyxС

𰸡A

ɺͼ֪x?1ʱyxAȷ??x??ʱy

xСB󣻵x?2ʱyxC󣬵x?1ʱyxD󣬹ѡA ֪ʶ㡿һκ

72018㽭ˣ73֣ѧУſڵͼʾ˴ˮƽλBDOתACλã֪AB?BDCD?BDֱΪBDAO?4mAB?1.6m

CO?1mCӦ½ĴֱCDΪ

A0.2m B0.3m C0.4m D0.5m 𰸡C

֪ABOסCDOεʿɵ

AOABAO?4m?COCDAB?1.6mCO?1m

41.6CD?1.6?1?4?0.4ѡC ?1CD֪ʶ㡿ε

82018㽭ˣ83֣ ͼ1ĶάԽʶ.ijУһʶϵͳͼ2ijѧʶͼɫСαʾ1ɫСαʾ0.һִμΪabcdôתΪڰ༶ţΪ

a?23?b?22?c?21?d?20.ͼ2һִΪ0101Ϊ0?23?1?22?0?21?1?20?5ʾΪ5ѧ.ʾ6ѧʶͼǣ

A B C D 8ͼ 𰸡B

A1?2?0?2?1?2?0?2?10B0?2?1?2?1?2?0?2?6C

321032101?23?0?22?0?21?1?20?8D0?23?1?22?1?21?1?20?7ֻѡBʾ

6࣬ѡB

֪ʶ㡿

92018㽭ˣ93֣ y?x?ax?bxľΪ2ƴΪ.֪ijߵĶԳΪֱx?1ƽ2λƽ3λõ߹㣨

A(?3,?6) B(?3,0) C(?3,?5) D(?3,?1)

𰸡B

ߵĶԳΪֱx?1?22b2y?x?ax?b?1a??2

2a2y?x?ax?bxľΪ2֪b?0y?x?ax?bʽΪy??x?1??1ɽƽ2λƽ3λɵƽƺΪy??x?1??4x??3ʱy?0Ҳ߹(?3,0)ѡB ֪ʶ㡿κͼʡκƽơκĽʽ

102018㽭ˣ103֣ijҪһǽͬʱչʾ״Сͬľλ滭ƷЩƷųһΣƷȫغϣ.ҪÿƷĸ䶼

22

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