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ǰλãҳ > 2019-2020学年长春市中考数学模拟试?有标准答?(word? - 百度文库

2019-2020学年长春市中考数学模拟试?有标准答?(word? - 百度文库

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ʡпѧԾ

һѡ⣨⹲8С⣬ÿС3֣24֣ 13.00֣ľֵǣ A B C5 D5

23.00֣аƥ˹԰2018׽ɣͶʶԼΪ2500000000Ԫ2500000000ÿѧʾΪ A0.251010 B2.51010

C2.5109

D25108

33.00֣ͼУͼԲǣ

A B C D

43.00֣ʽ3x60Ľ⼯ϱʾȷǣ A

B

C

D

53.00֣ͼڡABCУCDƽ֡ACBABڵDDDEBCACڵEA=54㣬B=48㣬CDEĴСΪ

A44 B40 C39 D38

63.00֣㾭йŴҪѧԼһǧǰ׸ҥиͲ֪䳤Ӱһߣһˣһ磬Ӱ磬ʸͳΣ⼴һͲ֪ж೤̫µӰӳһߣͬʱһһСˣӰ磨ʾ1=10ߣ1=10磩͵ijΪ

...

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A B Cһ D

73.00֣ͼij޽ٹ·ҪABһABͬһˮƽϣΪ˲AB֮ľ룬һֱɻAسֱ800׵CC۲BصĸΪAB֮ľΪ

A800sin B800tan C D

83.00֣ͼƽֱϵУֱABCĶABֱxᡢyϣABC=90㣬CAxᣬCںy=x0ͼϣAB=2kֵΪ

A4

B2 C2 D

⣨⹲6С⣬ÿС3֣18֣ 93.00֣ȽϴС

3=򡰣

103.00֣㣺a2?a3=

113.00֣ͼƽֱϵУABֱΪ13n3ֱy=2x߶ABй㣬nֵΪ дһɣ

123.00֣ͼڡABCУAB=ACԵCΪԲģCBΪ뾶ԲACӳڵDBDA=32㣬CDBĴСΪ ȣ

...

...

133.00֣ͼ?ABCDУAD=7AB=2B=60㣮EDZBCһ㣬AE

ABEBCƽƵDCFλãõıAEFDıAEFDܳСֵΪ

143.00֣ͼƽֱϵУy=x2+mxxĸڵAByһ㣬AڵBĶԳƵAǡϣAxƽ߽һCAĺΪ1ACijΪ

⣨⹲10С⣬78֣ 156.00֣Ȼֵ

+

x=

1

166.00ֽ֣йͳ澫أܴϲŲ͸ĿƬſƬͼΪ㡱һſƬͼΪƬֽͼͬ⣬ͬſƬϴȴȡһţ¼ͼŻأϴȺٴȡһţû״ͼбķſƬϵͼǡ㡱ĸʣͼΪ㡱ſƬֱΪA1A2ͼΪĿƬΪB

...

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176.00֣ͼ١ͼھ88ÿСεĶΪ㣬߶OMONĶ˵ڸϣͼ١ͼڸOMONΪڱ߸һıΣʹĸڸϣҪ

1ıξԳͼΣ 2ıβȫȣ

187.00֣ѧУ׼һΣԭƻ60ףÿ100Ԫ귽ʾ๺ŻݣУʵʶ72ףÿ׼3Ԫ̵ͬ 1ÿ׿εijɱ 2̵õ

197.00֣ͼABǡOֱACСOڵABCOڵD֪Oİ뾶Ϊ6C=40㣮 1BĶ 2

ijУ

207.00֣ijΪ˽ⱾŹ˵˳飮òȡ30ijÿ˼ӹĸ£ 20 21 19 16 27 18 31 29 21 22 25 20 19 22 35 33 19 17 18 29 18 35 22 15 18 18 31 31 19 22 ݣõͳͼ

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... ʡпѧԾ һѡ⣨⹲8С⣬ÿС3֣24֣ 13.00֣ľֵǣ A B C5 D5 23.00֣аƥ˹԰2018׽ɣͶʶԼΪ2500000000Ԫ2500000000ÿѧʾΪ A0.251010 B2.51010 C2.5109 D25108 33.00֣ͼУͼԲǣ A B C D 43.00֣ʽ3x60Ľ⼯ϱʾȷǣ A B C D 5

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