ʱ : 绥化中考数学试卷解析版 - 百度文库ϿʼĶ
2017ʡ绯пѧԾ
һѡ⣨ÿС3֣30֣
1ͼֱABCDֱEFأ1=55㣬жABCDǣ
A2=35 B2=45 C2=55 D2=125
2ijҵԼΪ700000Ԫݡ700000ÿѧɱʾΪ A106
B7105 C7104 D70104
3ȷǣ A3a+2a=5a2 B3a+3b=3ab C2a2bca2bc=a2bc
Da5a2=a3
4εͶӰǣ A߶
B
C D
5ʽĽ⼯ǣ Ax4
B2x4 C2x4 Dx2
6ͼABCǡABCԵOΪλľλƱ任õģABCABC49OB䣺OBΪ
A23 B32 C45 D49
7һϴȵͨ˿ȡһţҵĸǣ A B C D
8ͬһƽֱϵУֱy=4x+1ֱy=x+bĽ㲻ڣ
Aһ Bڶ C D
9ij¥ݵIJͼʾѲBCijԼΪףBCAԼΪ29㣬¥ݵĸ߶ABɱʾΪ
A B C D
10ͼ?ABCDУACBDཻڵOEOAе㣬BEӳADڵF֪SAEF=4нۣ =SBCE=36SABE=12ܡAEFACDһȷǣ
A٢ڢۢ
B٢ Cڢۢ D٢ڢ
⣨ÿС3֣33֣ 11ľֵ
12y=УԱxȡֵΧ
13һεڽǺ͵900㣬 Σ 14ʽֽ⣺x29= 15㣺 +?=
16һεİ뾶Ϊ3cmΪ2cmεΪ cm2úеʽӱʾ
17һѵУijλѡĻֱΪ58769λѡķΪ
18뾶Ϊ2ԲڽΣıΣεıľ֮Ϊ
19֪y=x3ʱyȡֵΧ
20ڵABCУADBCֱBCڵDAD=BCABCĶǵĶΪ
21ͼ˳Ϊ2ĵֱθеõ1СΣ˳õСθеõ2СΣ˲ȥnСεΪ
⣨8С⣬57֣
22ͼABCΪij㣬A;B֮һֱС·ҪС·ϽһͤPʹBCͤPľ֮͵ھBAľ룬ֱߺԲͼPдֻ֤ͼۼ
23ijУΪ˽ѧÿμӻ100ѧÿμӻʱƳͼʾͳͼ ͼṩϢ⣺
1ֱдͼaֵγѧÿμӻʱλ
2γѧÿμӻƽʱ䣮
24֪xһԪηx2+2m+1x+m24=0 1mΪֵʱȵʵ
2߳Ϊ5εԽߵijֱΪ2mֵ 25ס̶Ӽƻһ15ǧ幫·̶֪ÿҹ̶ÿ·ǧףҹ̶ӵ·Ǽ̶ӵ·ı
1ס̶ÿ·ǧ
2̶ÿ·ΪԪҹ̶ÿ·ΪԪҪʹ̶·ܷòԪ̶·
26ͼABCDУADBCAEBCEADCƽ߽AEڵOԵOΪԲģOAΪ뾶ԲBBCһF 1֤CDOУ
2BF=24OE=5tanABCֵ
27һγӼ׳ʻҳǣͬʱһҳʻ׳ǣͬ·ʻγҳͣһʱԭ·ԭٷؼ׳ǣ׳DZȽγؼ׳СʱγȿÿСʱʻ60ǧף׳ǻֹͣʻ֮·yǧףγʻʱtСʱĺͼͼʾͼṩϢ⣺
1ֱд׳Ǻҳ֮·̣γͿٶȣ 2γҳͣʱ䣬ֱдDꣻ
3ֱдγҳǷؼ׳ǹ׳ǵ·sǧףγ
ʻʱtСʱ֮ĺϵʽҪдԱȡֵΧ
28ͼھABCDУEΪABһ㣬ECƽ֡DEBFΪCEе㣬AFBFEEHBCֱAFCDGH㣮 1֤DE=DC 2֤AFBF
3AF?GF=28ʱֱдCEij
29ƽֱϵУֱy=x+1yڵBxڵAy=x2+bx+cBֱy=+1ڵC42 1ߵĽʽ
2ͼΪmĵMֱBCϷϣMMEyύֱBCڵEMEΪֱԲֱBCһDExʱDEMܳ
3AOBƽڵijһ㰴˳ʱ뷽ת90㣬õA1O1B1AOBĶӦֱǵA1O1B1A1O1B1ǡϣֱдA1꣮