2015-2016学年广东省深圳市宝安区八年级期末数学试卷.pdf

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1、2015-2016 学年广东省深圳市宝安区八年级(下)期末数学试卷一、选择题:每小题3 分,共 36 分1(3 分)如果 ab,则下列不等式正确的是()Aab Ba+3b+3 C2a2b D2(3 分)下列图形中既是轴对称图形,又是中心对称图形的是()ABCD3(3 分)如果分式有意义,则 a 的取值范围是()Aa=1 Ba1 Ca1 Da14(3 分)正十边形的每个外角等于()A36B18C60D 455(3 分)不等式x1x 的解集是()Ax1 Bx2 CxDx26(3 分)如图,?ABCD 中,点 O为对角线 AC、BD的交点,点 E为 CD边的中点,连接 OE,如果 AB=4,OE=3

2、,则?ABCD 的周长为()A7 B10 C14 D207(3 分)下列代数式从左到右,是因式分解的是()A(1x)(2x)=(x1)(x2)B(xy)(x+y)=x2y2C12a+a2=(a1)2 Dx22x+6=x(x2)+68(3 分)如图,?ABCD 中,点 O为对角线 AC、BD的交点,下列结论错误的是()AAC=BD B AB DC CBO=DO D ABC=CDA9(3 分)在直角坐标平面内,将点A(1,2)先向上平移 3 个单位长度,再向右平移 5 个单位长度,得到的点A的坐标是()A(2,3)B(6,5)C(4,1)D(4,7)10(3 分)下列命题正确的是()A等腰三角形的

3、角平分线、中线、高互相重合B斜边和一条直角边分别相等的两个直角三角形全等C一组对边相等,另一组对边平行的四边形是平行四边形D有一个角等于 60的三角形是等边三角形11(3 分)如图,在直角坐标系中,直线l1:y1=kx+b 与直线 l2:y2mx+n在第二象限相交于点 A(1,a),则不等式 kx+bmx+n的解集是()Ax1 Bxa Cx1 D1x012(3 分)如图,在 ABC中,ACB=90,BAC=60,AC=1,现将 ABC绕点 C逆时针旋转至 ABC,使得点 A恰好落在 AB上,连接 BB,则 BB 的长度是()文档编码:CL3O9H9S6U10 HU9P10P6C1U4 ZS7O

4、1A4Q4R2文档编码:CL3O9H9S6U10 HU9P10P6C1U4 ZS7O1A4Q4R2文档编码:CL3O9H9S6U10 HU9P10P6C1U4 ZS7O1A4Q4R2文档编码:CL3O9H9S6U10 HU9P10P6C1U4 ZS7O1A4Q4R2文档编码:CL3O9H9S6U10 HU9P10P6C1U4 ZS7O1A4Q4R2文档编码:CL3O9H9S6U10 HU9P10P6C1U4 ZS7O1A4Q4R2文档编码:CL3O9H9S6U10 HU9P10P6C1U4 ZS7O1A4Q4R2文档编码:CL3O9H9S6U10 HU9P10P6C1U4 ZS7O1A4Q4R

5、2文档编码:CL3O9H9S6U10 HU9P10P6C1U4 ZS7O1A4Q4R2文档编码:CL3O9H9S6U10 HU9P10P6C1U4 ZS7O1A4Q4R2文档编码:CL3O9H9S6U10 HU9P10P6C1U4 ZS7O1A4Q4R2文档编码:CL3O9H9S6U10 HU9P10P6C1U4 ZS7O1A4Q4R2文档编码:CL3O9H9S6U10 HU9P10P6C1U4 ZS7O1A4Q4R2文档编码:CL3O9H9S6U10 HU9P10P6C1U4 ZS7O1A4Q4R2文档编码:CL3O9H9S6U10 HU9P10P6C1U4 ZS7O1A4Q4R2文档编码:

6、CL3O9H9S6U10 HU9P10P6C1U4 ZS7O1A4Q4R2文档编码:CL3O9H9S6U10 HU9P10P6C1U4 ZS7O1A4Q4R2文档编码:CL3O9H9S6U10 HU9P10P6C1U4 ZS7O1A4Q4R2文档编码:CL3O9H9S6U10 HU9P10P6C1U4 ZS7O1A4Q4R2文档编码:CL3O9H9S6U10 HU9P10P6C1U4 ZS7O1A4Q4R2文档编码:CL3O9H9S6U10 HU9P10P6C1U4 ZS7O1A4Q4R2文档编码:CL3O9H9S6U10 HU9P10P6C1U4 ZS7O1A4Q4R2文档编码:CL3O9H

7、9S6U10 HU9P10P6C1U4 ZS7O1A4Q4R2文档编码:CL3O9H9S6U10 HU9P10P6C1U4 ZS7O1A4Q4R2文档编码:CL3O9H9S6U10 HU9P10P6C1U4 ZS7O1A4Q4R2文档编码:CL3O9H9S6U10 HU9P10P6C1U4 ZS7O1A4Q4R2文档编码:CL3O9H9S6U10 HU9P10P6C1U4 ZS7O1A4Q4R2文档编码:CL3O9H9S6U10 HU9P10P6C1U4 ZS7O1A4Q4R2文档编码:CL3O9H9S6U10 HU9P10P6C1U4 ZS7O1A4Q4R2文档编码:CL3O9H9S6U10

8、 HU9P10P6C1U4 ZS7O1A4Q4R2文档编码:CL3O9H9S6U10 HU9P10P6C1U4 ZS7O1A4Q4R2文档编码:CL3O9H9S6U10 HU9P10P6C1U4 ZS7O1A4Q4R2文档编码:CL3O9H9S6U10 HU9P10P6C1U4 ZS7O1A4Q4R2文档编码:CL3O9H9S6U10 HU9P10P6C1U4 ZS7O1A4Q4R2文档编码:CL3O9H9S6U10 HU9P10P6C1U4 ZS7O1A4Q4R2文档编码:CL3O9H9S6U10 HU9P10P6C1U4 ZS7O1A4Q4R2文档编码:CL3O9H9S6U10 HU9P1

9、0P6C1U4 ZS7O1A4Q4R2文档编码:CL3O9H9S6U10 HU9P10P6C1U4 ZS7O1A4Q4R2文档编码:CL3O9H9S6U10 HU9P10P6C1U4 ZS7O1A4Q4R2文档编码:CL3O9H9S6U10 HU9P10P6C1U4 ZS7O1A4Q4R2文档编码:CL3O9H9S6U10 HU9P10P6C1U4 ZS7O1A4Q4R2文档编码:CL3O9H9S6U10 HU9P10P6C1U4 ZS7O1A4Q4R2文档编码:CL3O9H9S6U10 HU9P10P6C1U4 ZS7O1A4Q4R2文档编码:CL3O9H9S6U10 HU9P10P6C1U

10、4 ZS7O1A4Q4R2文档编码:CL3O9H9S6U10 HU9P10P6C1U4 ZS7O1A4Q4R2文档编码:CL3O9H9S6U10 HU9P10P6C1U4 ZS7O1A4Q4R2文档编码:CL3O9H9S6U10 HU9P10P6C1U4 ZS7O1A4Q4R2文档编码:CL3O9H9S6U10 HU9P10P6C1U4 ZS7O1A4Q4R2A2 B C2D3二、填空题:每小题3 分,共 12 分13(3 分)因式分解:ax2a 的结果是14(3 分)如图,RtABC中,ACB=90,AD平分 CAB,交 BC于点 D,过点 D作 DE AB于点 E,若 CD=2,EB=1,

11、则 BD的长是15(3 分)如图,两个全等的等边三角形ABC和DCE 放置在一起,B、C、E在同一直线上,连接BD,若 AB=2,则 BD的长是16(3 分)如图,ABC绕点 C顺时针旋转45得到 ABC,若ACB=90,BC=AC=2,则图中阴影部分的面积等于三、解答题:共7 题,共 52 分17(6 分)解不等式组:,并把它的解集表示在数轴上18(6 分)先化简分式:(),并当 a=2 时,请求出分式的值19(6 分)解方程:20(8 分)如图,ABC中,C=90,A=30(1)用尺规作图作AB边上的中垂线 DE,交 AC于点 D,交 AB于点 E(保留作图痕迹,不要求写作法和证明);(2

12、)连接 BD,求证:BD平分 CBA 21(8 分)“端午节”前夕,某商场根据去年市场销售行情,用3 万元购进第一批文档编码:CL3O9H9S6U10 HU9P10P6C1U4 ZS7O1A4Q4R2文档编码:CL3O9H9S6U10 HU9P10P6C1U4 ZS7O1A4Q4R2文档编码:CL3O9H9S6U10 HU9P10P6C1U4 ZS7O1A4Q4R2文档编码:CL3O9H9S6U10 HU9P10P6C1U4 ZS7O1A4Q4R2文档编码:CL3O9H9S6U10 HU9P10P6C1U4 ZS7O1A4Q4R2文档编码:CL3O9H9S6U10 HU9P10P6C1U4 Z

13、S7O1A4Q4R2文档编码:CL3O9H9S6U10 HU9P10P6C1U4 ZS7O1A4Q4R2文档编码:CL3O9H9S6U10 HU9P10P6C1U4 ZS7O1A4Q4R2文档编码:CL3O9H9S6U10 HU9P10P6C1U4 ZS7O1A4Q4R2文档编码:CL3O9H9S6U10 HU9P10P6C1U4 ZS7O1A4Q4R2文档编码:CL3O9H9S6U10 HU9P10P6C1U4 ZS7O1A4Q4R2文档编码:CL3O9H9S6U10 HU9P10P6C1U4 ZS7O1A4Q4R2文档编码:CL3O9H9S6U10 HU9P10P6C1U4 ZS7O1A4

14、Q4R2文档编码:CL3O9H9S6U10 HU9P10P6C1U4 ZS7O1A4Q4R2文档编码:CL3O9H9S6U10 HU9P10P6C1U4 ZS7O1A4Q4R2文档编码:CL3O9H9S6U10 HU9P10P6C1U4 ZS7O1A4Q4R2文档编码:CL3O9H9S6U10 HU9P10P6C1U4 ZS7O1A4Q4R2文档编码:CL3O9H9S6U10 HU9P10P6C1U4 ZS7O1A4Q4R2文档编码:CL3O9H9S6U10 HU9P10P6C1U4 ZS7O1A4Q4R2文档编码:CL3O9H9S6U10 HU9P10P6C1U4 ZS7O1A4Q4R2文档

15、编码:CL3O9H9S6U10 HU9P10P6C1U4 ZS7O1A4Q4R2文档编码:CL3O9H9S6U10 HU9P10P6C1U4 ZS7O1A4Q4R2文档编码:CL3O9H9S6U10 HU9P10P6C1U4 ZS7O1A4Q4R2文档编码:CL3O9H9S6U10 HU9P10P6C1U4 ZS7O1A4Q4R2文档编码:CL3O9H9S6U10 HU9P10P6C1U4 ZS7O1A4Q4R2文档编码:CL3O9H9S6U10 HU9P10P6C1U4 ZS7O1A4Q4R2文档编码:CL3O9H9S6U10 HU9P10P6C1U4 ZS7O1A4Q4R2文档编码:CL3

16、O9H9S6U10 HU9P10P6C1U4 ZS7O1A4Q4R2文档编码:CL3O9H9S6U10 HU9P10P6C1U4 ZS7O1A4Q4R2文档编码:CL3O9H9S6U10 HU9P10P6C1U4 ZS7O1A4Q4R2文档编码:CL3O9H9S6U10 HU9P10P6C1U4 ZS7O1A4Q4R2文档编码:CL3O9H9S6U10 HU9P10P6C1U4 ZS7O1A4Q4R2文档编码:CL3O9H9S6U10 HU9P10P6C1U4 ZS7O1A4Q4R2文档编码:CL3O9H9S6U10 HU9P10P6C1U4 ZS7O1A4Q4R2文档编码:CL3O9H9S6

17、U10 HU9P10P6C1U4 ZS7O1A4Q4R2文档编码:CL3O9H9S6U10 HU9P10P6C1U4 ZS7O1A4Q4R2文档编码:CL3O9H9S6U10 HU9P10P6C1U4 ZS7O1A4Q4R2文档编码:CL3O9H9S6U10 HU9P10P6C1U4 ZS7O1A4Q4R2文档编码:CL3O9H9S6U10 HU9P10P6C1U4 ZS7O1A4Q4R2文档编码:CL3O9H9S6U10 HU9P10P6C1U4 ZS7O1A4Q4R2文档编码:CL3O9H9S6U10 HU9P10P6C1U4 ZS7O1A4Q4R2文档编码:CL3O9H9S6U10 HU

18、9P10P6C1U4 ZS7O1A4Q4R2文档编码:CL3O9H9S6U10 HU9P10P6C1U4 ZS7O1A4Q4R2文档编码:CL3O9H9S6U10 HU9P10P6C1U4 ZS7O1A4Q4R2文档编码:CL3O9H9S6U10 HU9P10P6C1U4 ZS7O1A4Q4R2文档编码:CL3O9H9S6U10 HU9P10P6C1U4 ZS7O1A4Q4R2文档编码:CL3O9H9S6U10 HU9P10P6C1U4 ZS7O1A4Q4R2文档编码:CL3O9H9S6U10 HU9P10P6C1U4 ZS7O1A4Q4R2某品牌盒装粽子,上市后很快售完,接着又用5 万元购进

19、第二批同种品牌盒装粽子,已知第二批所购粽子的盒数是第一批所购粽子盒数的2 倍,且每盒粽子的进价比第一批的进价少 5 元,求第一批某品牌盒装粽子每盒的进价是多少元?22(8 分)为提高饮水质量,越来越多的居民选购家用净水器,某商场利用这次商机,计划从厂家购进甲、乙两种型号的家用净水器共300台,进价与售价如下表:型号进价(元/台)售价(元/台)A150200B200300(1)设购进甲种型号净水器x 台,销售利润为 y 元,试求出 y 与 x 之间的函数关系式;(2)由于受资金限制,某商场只能用不多于50000 元的资金购进这批家用净水器,为了利润的最大化,商场该如何安排进货?并求出最大利润是多

20、少?23(10 分)如图 1,在平面直角坐标系中,有A(2,4),B(6,0)两点,在 y 轴正半轴上取一点M(使 M、A、B不在一条直线上),连接 AB、AM、BM,取 AB的中点 C,作射线 MC,过点 A作 AN MB,交射线 MC 于点 N,连接 BN(1)求证:四边形 AMBN 是平行四边形;(2)如图 2,在(1)的条件下,将 AMN 沿直线 MN翻折,得 MA N,AN交 MB于点 F,求证:FM=FN;文档编码:CL3O9H9S6U10 HU9P10P6C1U4 ZS7O1A4Q4R2文档编码:CL3O9H9S6U10 HU9P10P6C1U4 ZS7O1A4Q4R2文档编码:

21、CL3O9H9S6U10 HU9P10P6C1U4 ZS7O1A4Q4R2文档编码:CL3O9H9S6U10 HU9P10P6C1U4 ZS7O1A4Q4R2文档编码:CL3O9H9S6U10 HU9P10P6C1U4 ZS7O1A4Q4R2文档编码:CL3O9H9S6U10 HU9P10P6C1U4 ZS7O1A4Q4R2文档编码:CL3O9H9S6U10 HU9P10P6C1U4 ZS7O1A4Q4R2文档编码:CL3O9H9S6U10 HU9P10P6C1U4 ZS7O1A4Q4R2文档编码:CL3O9H9S6U10 HU9P10P6C1U4 ZS7O1A4Q4R2文档编码:CL3O9H

22、9S6U10 HU9P10P6C1U4 ZS7O1A4Q4R2文档编码:CL3O9H9S6U10 HU9P10P6C1U4 ZS7O1A4Q4R2文档编码:CL3O9H9S6U10 HU9P10P6C1U4 ZS7O1A4Q4R2文档编码:CL3O9H9S6U10 HU9P10P6C1U4 ZS7O1A4Q4R2文档编码:CL3O9H9S6U10 HU9P10P6C1U4 ZS7O1A4Q4R2文档编码:CL3O9H9S6U10 HU9P10P6C1U4 ZS7O1A4Q4R2文档编码:CL3O9H9S6U10 HU9P10P6C1U4 ZS7O1A4Q4R2文档编码:CL3O9H9S6U10

23、 HU9P10P6C1U4 ZS7O1A4Q4R2文档编码:CL3O9H9S6U10 HU9P10P6C1U4 ZS7O1A4Q4R2文档编码:CL3O9H9S6U10 HU9P10P6C1U4 ZS7O1A4Q4R2文档编码:CL3O9H9S6U10 HU9P10P6C1U4 ZS7O1A4Q4R2文档编码:CL3O9H9S6U10 HU9P10P6C1U4 ZS7O1A4Q4R2文档编码:CL3O9H9S6U10 HU9P10P6C1U4 ZS7O1A4Q4R2文档编码:CL3O9H9S6U10 HU9P10P6C1U4 ZS7O1A4Q4R2文档编码:CL3O9H9S6U10 HU9P1

24、0P6C1U4 ZS7O1A4Q4R2文档编码:CL3O9H9S6U10 HU9P10P6C1U4 ZS7O1A4Q4R2文档编码:CL3O9H9S6U10 HU9P10P6C1U4 ZS7O1A4Q4R2文档编码:CL3O9H9S6U10 HU9P10P6C1U4 ZS7O1A4Q4R2文档编码:CL3O9H9S6U10 HU9P10P6C1U4 ZS7O1A4Q4R2文档编码:CL3O9H9S6U10 HU9P10P6C1U4 ZS7O1A4Q4R2文档编码:CL3O9H9S6U10 HU9P10P6C1U4 ZS7O1A4Q4R2文档编码:CL3O9H9S6U10 HU9P10P6C1U

25、4 ZS7O1A4Q4R2文档编码:CL3O9H9S6U10 HU9P10P6C1U4 ZS7O1A4Q4R2文档编码:CL3O9H9S6U10 HU9P10P6C1U4 ZS7O1A4Q4R2文档编码:CL3O9H9S6U10 HU9P10P6C1U4 ZS7O1A4Q4R2文档编码:CL3O9H9S6U10 HU9P10P6C1U4 ZS7O1A4Q4R2文档编码:CL3O9H9S6U10 HU9P10P6C1U4 ZS7O1A4Q4R2文档编码:CL3O9H9S6U10 HU9P10P6C1U4 ZS7O1A4Q4R2文档编码:CL3O9H9S6U10 HU9P10P6C1U4 ZS7O

26、1A4Q4R2文档编码:CL3O9H9S6U10 HU9P10P6C1U4 ZS7O1A4Q4R2文档编码:CL3O9H9S6U10 HU9P10P6C1U4 ZS7O1A4Q4R2文档编码:CL3O9H9S6U10 HU9P10P6C1U4 ZS7O1A4Q4R2文档编码:CL3O9H9S6U10 HU9P10P6C1U4 ZS7O1A4Q4R2文档编码:CL3O9H9S6U10 HU9P10P6C1U4 ZS7O1A4Q4R2文档编码:CL3O9H9S6U10 HU9P10P6C1U4 ZS7O1A4Q4R2文档编码:CL3O9H9S6U10 HU9P10P6C1U4 ZS7O1A4Q4R

27、2文档编码:CL3O9H9S6U10 HU9P10P6C1U4 ZS7O1A4Q4R2文档编码:CL3O9H9S6U10 HU9P10P6C1U4 ZS7O1A4Q4R2文档编码:CL3O9H9S6U10 HU9P10P6C1U4 ZS7O1A4Q4R2(3)如图 3,在(2)的条件下,当点 M移动到与坐标原点O重合时,试求直线AN的解析式2015-2016 学年广东省深圳市宝安区八年级(下)期末数学试卷参考答案一、选择题:每小题3 分,共 36 分1B;2B;3C;4A;5D;6D;7C;8A;9C;10B;11A;12B;二、填空题:每小题3 分,共 12 分13a(x+1)(x1);14

28、;152;1622;三、解答题:共7 题,共 52 分17;18;19;20;21;22;23;2020-2-8文档编码:CL3O9H9S6U10 HU9P10P6C1U4 ZS7O1A4Q4R2文档编码:CL3O9H9S6U10 HU9P10P6C1U4 ZS7O1A4Q4R2文档编码:CL3O9H9S6U10 HU9P10P6C1U4 ZS7O1A4Q4R2文档编码:CL3O9H9S6U10 HU9P10P6C1U4 ZS7O1A4Q4R2文档编码:CL3O9H9S6U10 HU9P10P6C1U4 ZS7O1A4Q4R2文档编码:CL3O9H9S6U10 HU9P10P6C1U4 ZS7

29、O1A4Q4R2文档编码:CL3O9H9S6U10 HU9P10P6C1U4 ZS7O1A4Q4R2文档编码:CL3O9H9S6U10 HU9P10P6C1U4 ZS7O1A4Q4R2文档编码:CL3O9H9S6U10 HU9P10P6C1U4 ZS7O1A4Q4R2文档编码:CL3O9H9S6U10 HU9P10P6C1U4 ZS7O1A4Q4R2文档编码:CL3O9H9S6U10 HU9P10P6C1U4 ZS7O1A4Q4R2文档编码:CL3O9H9S6U10 HU9P10P6C1U4 ZS7O1A4Q4R2文档编码:CL3O9H9S6U10 HU9P10P6C1U4 ZS7O1A4Q4

30、R2文档编码:CL3O9H9S6U10 HU9P10P6C1U4 ZS7O1A4Q4R2文档编码:CL3O9H9S6U10 HU9P10P6C1U4 ZS7O1A4Q4R2文档编码:CL3O9H9S6U10 HU9P10P6C1U4 ZS7O1A4Q4R2文档编码:CL3O9H9S6U10 HU9P10P6C1U4 ZS7O1A4Q4R2文档编码:CL3O9H9S6U10 HU9P10P6C1U4 ZS7O1A4Q4R2文档编码:CL3O9H9S6U10 HU9P10P6C1U4 ZS7O1A4Q4R2文档编码:CL3O9H9S6U10 HU9P10P6C1U4 ZS7O1A4Q4R2文档编码

31、:CL3O9H9S6U10 HU9P10P6C1U4 ZS7O1A4Q4R2文档编码:CL3O9H9S6U10 HU9P10P6C1U4 ZS7O1A4Q4R2文档编码:CL3O9H9S6U10 HU9P10P6C1U4 ZS7O1A4Q4R2文档编码:CL3O9H9S6U10 HU9P10P6C1U4 ZS7O1A4Q4R2文档编码:CL3O9H9S6U10 HU9P10P6C1U4 ZS7O1A4Q4R2文档编码:CL3O9H9S6U10 HU9P10P6C1U4 ZS7O1A4Q4R2文档编码:CL3O9H9S6U10 HU9P10P6C1U4 ZS7O1A4Q4R2文档编码:CL3O9

32、H9S6U10 HU9P10P6C1U4 ZS7O1A4Q4R2文档编码:CL3O9H9S6U10 HU9P10P6C1U4 ZS7O1A4Q4R2文档编码:CL3O9H9S6U10 HU9P10P6C1U4 ZS7O1A4Q4R2文档编码:CL3O9H9S6U10 HU9P10P6C1U4 ZS7O1A4Q4R2文档编码:CL3O9H9S6U10 HU9P10P6C1U4 ZS7O1A4Q4R2文档编码:CL3O9H9S6U10 HU9P10P6C1U4 ZS7O1A4Q4R2文档编码:CL3O9H9S6U10 HU9P10P6C1U4 ZS7O1A4Q4R2文档编码:CL3O9H9S6U1

33、0 HU9P10P6C1U4 ZS7O1A4Q4R2文档编码:CL3O9H9S6U10 HU9P10P6C1U4 ZS7O1A4Q4R2文档编码:CL3O9H9S6U10 HU9P10P6C1U4 ZS7O1A4Q4R2文档编码:CL3O9H9S6U10 HU9P10P6C1U4 ZS7O1A4Q4R2文档编码:CL3O9H9S6U10 HU9P10P6C1U4 ZS7O1A4Q4R2文档编码:CL3O9H9S6U10 HU9P10P6C1U4 ZS7O1A4Q4R2文档编码:CL3O9H9S6U10 HU9P10P6C1U4 ZS7O1A4Q4R2文档编码:CL3O9H9S6U10 HU9P10P6C1U4 ZS7O1A4Q4R2文档编码:CL3O9H9S6U10 HU9P10P6C1U4 ZS7O1A4Q4R2文档编码:CL3O9H9S6U10 HU9P10P6C1U4 ZS7O1A4Q4R2文档编码:CL3O9H9S6U10 HU9P10P6C1U4 ZS7O1A4Q4R2文档编码:CL3O9H9S6U10 HU9P10P6C1U4 ZS7O1A4Q4R2文档编码:CL3O9H9S6U10 HU9P10P6C1U4 ZS7O1A4Q4R2文档编码:CL3O9H9S6U10 HU9P10P6C1U4 ZS7O1A4Q4R2

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