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1、2000年安徽省中考数学试题一、填空(本题满分30 分,每小题3 分)1、-2 的绝对值是 _ 2、=_。3、据统计,全球每分钟约有8500000 吨污水排入江河湖海,这个排污量用科学记数法表示应是_ _吨。4、已知:如图,直线AB、CD相交于点O,PE AB于点 E,PFCD于点 F,如果 AOC=50,那么 EPF=_。5、已知,则 m=_ _。6、已知 P点的坐标是(-3,2),P点是 P点关于原点O的对称点,则P点的坐标是 _。7、已知:如图,A、B、C、D、E、F、G、H是 O的八等分点,则HDF=_。8、如图,长方体中,与面AADD垂直的棱共有_条。9、以 O为圆心的两个同心圆的半
2、径分别是 9cm和 5cm,O 与这个圆都相切,则O的半径是 _。10、一个二元一次方程和一个二元二次方程组成的二元二次方程组的解是或,试写出符合要求的方程组_。二、选择题(本题满分40 分,每小题4 分)11、0.81 的平方根是()(A)0.9(B)0.9。(C)0.09。(D)0.09。12、下列多项式中能用公式进行因式分解的是(A)(B)(C)(D)13、计算的结果是(A)。(B)(C)(D)。14、用换元法解方程,设,则原方程可变形为()(A)(B)。(C)(D)。15、函数的自变量的取值范围是(A)x3。(B)x3。(C)x0 且 x3。(D)x0。16、如图,直线、表示三条相互交
3、叉的公路,现要建一个货物中转站,要求它到三条公路的距离相等,则可供选择的地址有(A)一处。(B)两处。(C)三处。(D)四处。17、已知 cos0.5,那么锐角的取值范围是(A)60 90。(B)0 60。(C)3090。(D)0”、“”、“=”)通过观察归纳,写出能反映这种规律的一般结论,并加以证明。27、(12 分)已知,二次函数的图像如图。(1)求这个二次函数的解析式和它的图像的顶点坐标;(2)观察图像,回答:何时y 随 x 的增大而增大;何时y 随 x 的增大而减小。文档编码:CF4Z4P2B2B8 HF5Q8F2R1U4 ZU4W9K6T9I5文档编码:CF4Z4P2B2B8 HF5
4、Q8F2R1U4 ZU4W9K6T9I5文档编码:CF4Z4P2B2B8 HF5Q8F2R1U4 ZU4W9K6T9I5文档编码:CF4Z4P2B2B8 HF5Q8F2R1U4 ZU4W9K6T9I5文档编码:CF4Z4P2B2B8 HF5Q8F2R1U4 ZU4W9K6T9I5文档编码:CF4Z4P2B2B8 HF5Q8F2R1U4 ZU4W9K6T9I5文档编码:CF4Z4P2B2B8 HF5Q8F2R1U4 ZU4W9K6T9I5文档编码:CF4Z4P2B2B8 HF5Q8F2R1U4 ZU4W9K6T9I5文档编码:CF4Z4P2B2B8 HF5Q8F2R1U4 ZU4W9K6T9I5
5、文档编码:CF4Z4P2B2B8 HF5Q8F2R1U4 ZU4W9K6T9I5文档编码:CF4Z4P2B2B8 HF5Q8F2R1U4 ZU4W9K6T9I5文档编码:CF4Z4P2B2B8 HF5Q8F2R1U4 ZU4W9K6T9I5文档编码:CF4Z4P2B2B8 HF5Q8F2R1U4 ZU4W9K6T9I5文档编码:CF4Z4P2B2B8 HF5Q8F2R1U4 ZU4W9K6T9I5文档编码:CF4Z4P2B2B8 HF5Q8F2R1U4 ZU4W9K6T9I5文档编码:CF4Z4P2B2B8 HF5Q8F2R1U4 ZU4W9K6T9I5文档编码:CF4Z4P2B2B8 HF5
6、Q8F2R1U4 ZU4W9K6T9I5文档编码:CF4Z4P2B2B8 HF5Q8F2R1U4 ZU4W9K6T9I5文档编码:CF4Z4P2B2B8 HF5Q8F2R1U4 ZU4W9K6T9I5文档编码:CF4Z4P2B2B8 HF5Q8F2R1U4 ZU4W9K6T9I5文档编码:CF4Z4P2B2B8 HF5Q8F2R1U4 ZU4W9K6T9I5文档编码:CF4Z4P2B2B8 HF5Q8F2R1U4 ZU4W9K6T9I5文档编码:CF4Z4P2B2B8 HF5Q8F2R1U4 ZU4W9K6T9I5文档编码:CF4Z4P2B2B8 HF5Q8F2R1U4 ZU4W9K6T9I5
7、文档编码:CF4Z4P2B2B8 HF5Q8F2R1U4 ZU4W9K6T9I5文档编码:CF4Z4P2B2B8 HF5Q8F2R1U4 ZU4W9K6T9I5文档编码:CF4Z4P2B2B8 HF5Q8F2R1U4 ZU4W9K6T9I5文档编码:CF4Z4P2B2B8 HF5Q8F2R1U4 ZU4W9K6T9I5文档编码:CF4Z4P2B2B8 HF5Q8F2R1U4 ZU4W9K6T9I5文档编码:CF4Z4P2B2B8 HF5Q8F2R1U4 ZU4W9K6T9I5文档编码:CF4Z4P2B2B8 HF5Q8F2R1U4 ZU4W9K6T9I5文档编码:CF4Z4P2B2B8 HF5
8、Q8F2R1U4 ZU4W9K6T9I5文档编码:CF4Z4P2B2B8 HF5Q8F2R1U4 ZU4W9K6T9I5文档编码:CF4Z4P2B2B8 HF5Q8F2R1U4 ZU4W9K6T9I5文档编码:CF4Z4P2B2B8 HF5Q8F2R1U4 ZU4W9K6T9I5文档编码:CF4Z4P2B2B8 HF5Q8F2R1U4 ZU4W9K6T9I5文档编码:CF4Z4P2B2B8 HF5Q8F2R1U4 ZU4W9K6T9I5文档编码:CF4Z4P2B2B8 HF5Q8F2R1U4 ZU4W9K6T9I5文档编码:CF4Z4P2B2B8 HF5Q8F2R1U4 ZU4W9K6T9I5
9、文档编码:CF4Z4P2B2B8 HF5Q8F2R1U4 ZU4W9K6T9I5文档编码:CF4Z4P2B2B8 HF5Q8F2R1U4 ZU4W9K6T9I5文档编码:CF4Z4P2B2B8 HF5Q8F2R1U4 ZU4W9K6T9I5文档编码:CF4Z4P2B2B8 HF5Q8F2R1U4 ZU4W9K6T9I5文档编码:CF4Z4P2B2B8 HF5Q8F2R1U4 ZU4W9K6T9I5文档编码:CF4Z4P2B2B8 HF5Q8F2R1U4 ZU4W9K6T9I5文档编码:CF4Z4P2B2B8 HF5Q8F2R1U4 ZU4W9K6T9I5文档编码:CF4Z4P2B2B8 HF5
10、Q8F2R1U4 ZU4W9K6T9I5文档编码:CF4Z4P2B2B8 HF5Q8F2R1U4 ZU4W9K6T9I528、(12 分)印刷一张矩形的张贴广告(如图),它的印刷面积是,上下空白各1dm,两边空白各0.5dm,设印刷部分从上到下的长是xdm,四周空白处的面积为。(1)求 S与 x的关系式;(2)当要求四周空白处的面积为时,求用来印刷这张广告的纸张的长和宽各是多少。29、(12 分)我们常见到如图那样图案的地面,它们分别是全用正方形或全用正六边形形状的材料铺成的,这样形状的材料能铺成平整,无空隙的地面。现在,问:(1)像上面那样铺地面,能否全用正五边形的材料,为什么?(2)你能不
11、能另外想出一个用一种多边形(不一定是正多边形)的材料铺地的方案?把你想到的方案画成草图。(3)请你再画出一个用两种不同的正多边形材料铺地的草图。文档编码:CF4Z4P2B2B8 HF5Q8F2R1U4 ZU4W9K6T9I5文档编码:CF4Z4P2B2B8 HF5Q8F2R1U4 ZU4W9K6T9I5文档编码:CF4Z4P2B2B8 HF5Q8F2R1U4 ZU4W9K6T9I5文档编码:CF4Z4P2B2B8 HF5Q8F2R1U4 ZU4W9K6T9I5文档编码:CF4Z4P2B2B8 HF5Q8F2R1U4 ZU4W9K6T9I5文档编码:CF4Z4P2B2B8 HF5Q8F2R1U4
12、 ZU4W9K6T9I5文档编码:CF4Z4P2B2B8 HF5Q8F2R1U4 ZU4W9K6T9I5文档编码:CF4Z4P2B2B8 HF5Q8F2R1U4 ZU4W9K6T9I5文档编码:CF4Z4P2B2B8 HF5Q8F2R1U4 ZU4W9K6T9I5文档编码:CF4Z4P2B2B8 HF5Q8F2R1U4 ZU4W9K6T9I5文档编码:CF4Z4P2B2B8 HF5Q8F2R1U4 ZU4W9K6T9I5文档编码:CF4Z4P2B2B8 HF5Q8F2R1U4 ZU4W9K6T9I5文档编码:CF4Z4P2B2B8 HF5Q8F2R1U4 ZU4W9K6T9I5文档编码:CF4
13、Z4P2B2B8 HF5Q8F2R1U4 ZU4W9K6T9I5文档编码:CF4Z4P2B2B8 HF5Q8F2R1U4 ZU4W9K6T9I5文档编码:CF4Z4P2B2B8 HF5Q8F2R1U4 ZU4W9K6T9I5文档编码:CF4Z4P2B2B8 HF5Q8F2R1U4 ZU4W9K6T9I5文档编码:CF4Z4P2B2B8 HF5Q8F2R1U4 ZU4W9K6T9I5文档编码:CF4Z4P2B2B8 HF5Q8F2R1U4 ZU4W9K6T9I5文档编码:CF4Z4P2B2B8 HF5Q8F2R1U4 ZU4W9K6T9I5文档编码:CF4Z4P2B2B8 HF5Q8F2R1U4
14、 ZU4W9K6T9I5文档编码:CF4Z4P2B2B8 HF5Q8F2R1U4 ZU4W9K6T9I5文档编码:CF4Z4P2B2B8 HF5Q8F2R1U4 ZU4W9K6T9I5文档编码:CF4Z4P2B2B8 HF5Q8F2R1U4 ZU4W9K6T9I5文档编码:CF4Z4P2B2B8 HF5Q8F2R1U4 ZU4W9K6T9I5文档编码:CF4Z4P2B2B8 HF5Q8F2R1U4 ZU4W9K6T9I5文档编码:CF4Z4P2B2B8 HF5Q8F2R1U4 ZU4W9K6T9I5文档编码:CF4Z4P2B2B8 HF5Q8F2R1U4 ZU4W9K6T9I5文档编码:CF4
15、Z4P2B2B8 HF5Q8F2R1U4 ZU4W9K6T9I5文档编码:CF4Z4P2B2B8 HF5Q8F2R1U4 ZU4W9K6T9I5文档编码:CF4Z4P2B2B8 HF5Q8F2R1U4 ZU4W9K6T9I5文档编码:CF4Z4P2B2B8 HF5Q8F2R1U4 ZU4W9K6T9I5文档编码:CF4Z4P2B2B8 HF5Q8F2R1U4 ZU4W9K6T9I5文档编码:CF4Z4P2B2B8 HF5Q8F2R1U4 ZU4W9K6T9I5文档编码:CF4Z4P2B2B8 HF5Q8F2R1U4 ZU4W9K6T9I5文档编码:CF4Z4P2B2B8 HF5Q8F2R1U4
16、 ZU4W9K6T9I5文档编码:CF4Z4P2B2B8 HF5Q8F2R1U4 ZU4W9K6T9I5文档编码:CF4Z4P2B2B8 HF5Q8F2R1U4 ZU4W9K6T9I5文档编码:CF4Z4P2B2B8 HF5Q8F2R1U4 ZU4W9K6T9I5文档编码:CF4Z4P2B2B8 HF5Q8F2R1U4 ZU4W9K6T9I5文档编码:CF4Z4P2B2B8 HF5Q8F2R1U4 ZU4W9K6T9I5文档编码:CF4Z4P2B2B8 HF5Q8F2R1U4 ZU4W9K6T9I5文档编码:CF4Z4P2B2B8 HF5Q8F2R1U4 ZU4W9K6T9I5文档编码:CF4
17、Z4P2B2B8 HF5Q8F2R1U4 ZU4W9K6T9I5文档编码:CF4Z4P2B2B8 HF5Q8F2R1U4 ZU4W9K6T9I5文档编码:CF4Z4P2B2B8 HF5Q8F2R1U4 ZU4W9K6T9I5文档编码:CF4Z4P2B2B8 HF5Q8F2R1U4 ZU4W9K6T9I5文档编码:CF4Z4P2B2B8 HF5Q8F2R1U4 ZU4W9K6T9I52000年安徽中考数学试题参考答案一、填空题(本题满分40 分,共 10 个小题,每小题4 分)1、2;2、19;3、68.5 10;4、50;5、nbk;6、(3,-2);7、45;8、四;9、2cm 或 7cm;
18、10、2222282424yxyxyxxyyxxyxx或或等二、选择题(本题满分40 分,共 10 个小题,每小题4 分)11B 12C 13A 14 D 15A 16D 17A 18B 19C 20B 三、解答题(70 分)21、解:原式=2x27x+6 2(x22x+1)=2x27x+62x2+4x2=3x+422、解:设这种商品的定价是x 元根据题意,得0.75x+25=0.9x 20,解得 x=300答:这种商品的定价为300 元23、证明:如图,作出BC 边上的高AD,则 AD=ACsinC=bsinC,SABC=BC?AD=absinC24、证明:AC ED,BECD,四边形 PC
19、DE 是平行四边形PC=ED,ACED,BCAD,BPC=QED,CBP=DQE,在BCP 和QDE 中,BPC=QED,CBP=DQE,PC=ED BCP QDE25、解:(1)由统计图可知,甲、乙两人五次测试成绩分别为:甲:10 分,13 分,12 分,14 分,16 分;乙:13 分,14 分,12 分,12 分,14 分甲=13(分)乙=13(分)S甲2=(1013)2+(1313)2+(1213)2+(1413)2+(1613)2=4 S乙2=(1313)2+(1413)2+(1213)2+(1213)2+(1413)2=0.8;(2)评价:因为甲、乙两人训练成绩平均数相等,所以甲乙
20、水平相当;因为S甲2S乙2,所以乙的成绩较稳定;而从折线图看,甲的成绩提高较大,乙的成绩提高不大;26、解:横线上填写的大小关系是、=一般结论是:如果a、b 是两个实数,则有a2+b2 2ab)证明:(ab)2 0 a22ab+b2 0 a2+b2 2ab 27、解:(1)根据二次函数y=ax25x+c 的图象可得解得 a=1,c=4;所以这个二次函数的解析式是y=x25x+4;y=x2 5x+4=2225255954()4424xxx所以它的图象的顶点坐标()文档编码:CF4Z4P2B2B8 HF5Q8F2R1U4 ZU4W9K6T9I5文档编码:CF4Z4P2B2B8 HF5Q8F2R1U
21、4 ZU4W9K6T9I5文档编码:CF4Z4P2B2B8 HF5Q8F2R1U4 ZU4W9K6T9I5文档编码:CF4Z4P2B2B8 HF5Q8F2R1U4 ZU4W9K6T9I5文档编码:CF4Z4P2B2B8 HF5Q8F2R1U4 ZU4W9K6T9I5文档编码:CF4Z4P2B2B8 HF5Q8F2R1U4 ZU4W9K6T9I5文档编码:CF4Z4P2B2B8 HF5Q8F2R1U4 ZU4W9K6T9I5文档编码:CF4Z4P2B2B8 HF5Q8F2R1U4 ZU4W9K6T9I5文档编码:CF4Z4P2B2B8 HF5Q8F2R1U4 ZU4W9K6T9I5文档编码:CF
22、4Z4P2B2B8 HF5Q8F2R1U4 ZU4W9K6T9I5文档编码:CF4Z4P2B2B8 HF5Q8F2R1U4 ZU4W9K6T9I5文档编码:CF4Z4P2B2B8 HF5Q8F2R1U4 ZU4W9K6T9I5文档编码:CF4Z4P2B2B8 HF5Q8F2R1U4 ZU4W9K6T9I5文档编码:CF4Z4P2B2B8 HF5Q8F2R1U4 ZU4W9K6T9I5文档编码:CF4Z4P2B2B8 HF5Q8F2R1U4 ZU4W9K6T9I5文档编码:CF4Z4P2B2B8 HF5Q8F2R1U4 ZU4W9K6T9I5文档编码:CF4Z4P2B2B8 HF5Q8F2R1U
23、4 ZU4W9K6T9I5文档编码:CF4Z4P2B2B8 HF5Q8F2R1U4 ZU4W9K6T9I5文档编码:CF4Z4P2B2B8 HF5Q8F2R1U4 ZU4W9K6T9I5文档编码:CF4Z4P2B2B8 HF5Q8F2R1U4 ZU4W9K6T9I5文档编码:CF4Z4P2B2B8 HF5Q8F2R1U4 ZU4W9K6T9I5文档编码:CF4Z4P2B2B8 HF5Q8F2R1U4 ZU4W9K6T9I5文档编码:CF4Z4P2B2B8 HF5Q8F2R1U4 ZU4W9K6T9I5文档编码:CF4Z4P2B2B8 HF5Q8F2R1U4 ZU4W9K6T9I5文档编码:CF
24、4Z4P2B2B8 HF5Q8F2R1U4 ZU4W9K6T9I5文档编码:CF4Z4P2B2B8 HF5Q8F2R1U4 ZU4W9K6T9I5文档编码:CF4Z4P2B2B8 HF5Q8F2R1U4 ZU4W9K6T9I5文档编码:CF4Z4P2B2B8 HF5Q8F2R1U4 ZU4W9K6T9I5文档编码:CF4Z4P2B2B8 HF5Q8F2R1U4 ZU4W9K6T9I5文档编码:CF4Z4P2B2B8 HF5Q8F2R1U4 ZU4W9K6T9I5文档编码:CF4Z4P2B2B8 HF5Q8F2R1U4 ZU4W9K6T9I5文档编码:CF4Z4P2B2B8 HF5Q8F2R1U
25、4 ZU4W9K6T9I5文档编码:CF4Z4P2B2B8 HF5Q8F2R1U4 ZU4W9K6T9I5文档编码:CF4Z4P2B2B8 HF5Q8F2R1U4 ZU4W9K6T9I5文档编码:CF4Z4P2B2B8 HF5Q8F2R1U4 ZU4W9K6T9I5文档编码:CF4Z4P2B2B8 HF5Q8F2R1U4 ZU4W9K6T9I5文档编码:CF4Z4P2B2B8 HF5Q8F2R1U4 ZU4W9K6T9I5文档编码:CF4Z4P2B2B8 HF5Q8F2R1U4 ZU4W9K6T9I5文档编码:CF4Z4P2B2B8 HF5Q8F2R1U4 ZU4W9K6T9I5文档编码:CF
26、4Z4P2B2B8 HF5Q8F2R1U4 ZU4W9K6T9I5文档编码:CF4Z4P2B2B8 HF5Q8F2R1U4 ZU4W9K6T9I5文档编码:CF4Z4P2B2B8 HF5Q8F2R1U4 ZU4W9K6T9I5文档编码:CF4Z4P2B2B8 HF5Q8F2R1U4 ZU4W9K6T9I5文档编码:CF4Z4P2B2B8 HF5Q8F2R1U4 ZU4W9K6T9I5文档编码:CF4Z4P2B2B8 HF5Q8F2R1U4 ZU4W9K6T9I5文档编码:CF4Z4P2B2B8 HF5Q8F2R1U4 ZU4W9K6T9I5文档编码:CF4Z4P2B2B8 HF5Q8F2R1U
27、4 ZU4W9K6T9I5文档编码:CF4Z4P2B2B8 HF5Q8F2R1U4 ZU4W9K6T9I5(2)当 x,y 随 x 的增大而增大;当x,y 随 x 的增大而减小28、解:(1)因为印刷部分的面积是32dm2,印刷部分从上到下的长是xdm,则印刷部分从左到右的宽是dm因此有 S=(+0.5 2)(x+2)32;S=x+2;(2)根据题意有x+2=18整理得x216x+64=0,解得 x=8,经检验 x=8 是原方程的解,所以这张广告纸的长为x+2=10(dm),宽为+1=5(dm)答:用来印刷这张广告的纸张的长和宽各是10dm,5dm29、解:(1)所用材料的形状不能是正五边形因
28、为,正五边形的每个内角都是108,要铺成平整、无空隙的地面,必须使若干个正五边形拼成一个周角(360),但找不到符合条件n 108=360 的正整数n故不能全用是正五边形的材料铺地面;(2)按要求画出草图(3)按要求画出草图;文档编码:CF4Z4P2B2B8 HF5Q8F2R1U4 ZU4W9K6T9I5文档编码:CF4Z4P2B2B8 HF5Q8F2R1U4 ZU4W9K6T9I5文档编码:CF4Z4P2B2B8 HF5Q8F2R1U4 ZU4W9K6T9I5文档编码:CF4Z4P2B2B8 HF5Q8F2R1U4 ZU4W9K6T9I5文档编码:CF4Z4P2B2B8 HF5Q8F2R1U
29、4 ZU4W9K6T9I5文档编码:CF4Z4P2B2B8 HF5Q8F2R1U4 ZU4W9K6T9I5文档编码:CF4Z4P2B2B8 HF5Q8F2R1U4 ZU4W9K6T9I5文档编码:CF4Z4P2B2B8 HF5Q8F2R1U4 ZU4W9K6T9I5文档编码:CF4Z4P2B2B8 HF5Q8F2R1U4 ZU4W9K6T9I5文档编码:CF4Z4P2B2B8 HF5Q8F2R1U4 ZU4W9K6T9I5文档编码:CF4Z4P2B2B8 HF5Q8F2R1U4 ZU4W9K6T9I5文档编码:CF4Z4P2B2B8 HF5Q8F2R1U4 ZU4W9K6T9I5文档编码:CF
30、4Z4P2B2B8 HF5Q8F2R1U4 ZU4W9K6T9I5文档编码:CF4Z4P2B2B8 HF5Q8F2R1U4 ZU4W9K6T9I5文档编码:CF4Z4P2B2B8 HF5Q8F2R1U4 ZU4W9K6T9I5文档编码:CF4Z4P2B2B8 HF5Q8F2R1U4 ZU4W9K6T9I5文档编码:CF4Z4P2B2B8 HF5Q8F2R1U4 ZU4W9K6T9I5文档编码:CF4Z4P2B2B8 HF5Q8F2R1U4 ZU4W9K6T9I5文档编码:CF4Z4P2B2B8 HF5Q8F2R1U4 ZU4W9K6T9I5文档编码:CF4Z4P2B2B8 HF5Q8F2R1U
31、4 ZU4W9K6T9I5文档编码:CF4Z4P2B2B8 HF5Q8F2R1U4 ZU4W9K6T9I5文档编码:CF4Z4P2B2B8 HF5Q8F2R1U4 ZU4W9K6T9I5文档编码:CF4Z4P2B2B8 HF5Q8F2R1U4 ZU4W9K6T9I5文档编码:CF4Z4P2B2B8 HF5Q8F2R1U4 ZU4W9K6T9I5文档编码:CF4Z4P2B2B8 HF5Q8F2R1U4 ZU4W9K6T9I5文档编码:CF4Z4P2B2B8 HF5Q8F2R1U4 ZU4W9K6T9I5文档编码:CF4Z4P2B2B8 HF5Q8F2R1U4 ZU4W9K6T9I5文档编码:CF
32、4Z4P2B2B8 HF5Q8F2R1U4 ZU4W9K6T9I5文档编码:CF4Z4P2B2B8 HF5Q8F2R1U4 ZU4W9K6T9I5文档编码:CF4Z4P2B2B8 HF5Q8F2R1U4 ZU4W9K6T9I5文档编码:CF4Z4P2B2B8 HF5Q8F2R1U4 ZU4W9K6T9I5文档编码:CF4Z4P2B2B8 HF5Q8F2R1U4 ZU4W9K6T9I5文档编码:CF4Z4P2B2B8 HF5Q8F2R1U4 ZU4W9K6T9I5文档编码:CF4Z4P2B2B8 HF5Q8F2R1U4 ZU4W9K6T9I5文档编码:CF4Z4P2B2B8 HF5Q8F2R1U
33、4 ZU4W9K6T9I5文档编码:CF4Z4P2B2B8 HF5Q8F2R1U4 ZU4W9K6T9I5文档编码:CF4Z4P2B2B8 HF5Q8F2R1U4 ZU4W9K6T9I5文档编码:CF4Z4P2B2B8 HF5Q8F2R1U4 ZU4W9K6T9I5文档编码:CF4Z4P2B2B8 HF5Q8F2R1U4 ZU4W9K6T9I5文档编码:CF4Z4P2B2B8 HF5Q8F2R1U4 ZU4W9K6T9I5文档编码:CF4Z4P2B2B8 HF5Q8F2R1U4 ZU4W9K6T9I5文档编码:CF4Z4P2B2B8 HF5Q8F2R1U4 ZU4W9K6T9I5文档编码:CF4Z4P2B2B8 HF5Q8F2R1U4 ZU4W9K6T9I5文档编码:CF4Z4P2B2B8 HF5Q8F2R1U4 ZU4W9K6T9I5文档编码:CF4Z4P2B2B8 HF5Q8F2R1U4 ZU4W9K6T9I5文档编码:CF4Z4P2B2B8 HF5Q8F2R1U4 ZU4W9K6T9I5文档编码:CF4Z4P2B2B8 HF5Q8F2R1U4 ZU4W9K6T9I5文档编码:CF4Z4P2B2B8 HF5Q8F2R1U4 ZU4W9K6T9I5
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