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1、第十五章整式的乘除与因式分解单元测试题一、选择题(每小题 3 分，共 36 分)1.下列各单项式中，与42x y是同类项的为()(A)42x (B)2xy (C)4x y (D)232x y2.22xaxaxa的计算结果是()(A)3232xaxa(B)33xa.(C)3232xa xa(D)222322xaxaa3下面是某同学在一次测验中的计算摘录325abab；33345m nmnm n；3253(2)6xxxg；324(2)2a ba ba；235aa；32aaa其中正确的个数有()(A)1 个 (B)2个 (C)3个 (D)4个.4小亮从一列火车的第m节车厢数起，一直数到第2m节车厢，
2、他数过的车厢节数是()(A)23mmm (B)2mmm.(C)211mmm(D)211mmm.5.下列分解因式正确的是()(A)32(1)xxx x(B)26(3)(2)mmmm.(C)2(4)(4)16aaa.(D)22()()xyxyxy.6如图：矩形花园ABCD 中，aAB，bAD，花园中建有一条矩形道路 LMPQ 及一条平行四边形道路RSTK。若cRSLM，则花园中可绿化部分的面积为（）ABCDLQMPRKST铜陵第七中学初二（）班姓名：编号：装订线精品资料-欢迎下载-欢迎下载 名师归纳-第 1 页，共 5 页 -(A)2bcabacb.(B)2aabbcac.(C)2abbcacc.
3、(D)22bbcaab.二、填空题(每小题 4 分，共 28 分)7(1)当x时，04x等于 .(2)20022003200421.5138分解因式：2212abab9如图，要给这个长、宽、高分别为x、y、z的箱子打包，其打包方式如图所示，则打包带的长至少要 (单位：mm)(用含 z、y、z 的代数式表示)(第 9 题)10如果221 22163abab，那么ab的值为 .11.下表为杨辉三角系数表的一部分，它的作用是指导读者按规律写出形如nab(n为正整数)展开式的系数，请你仔细观察下表中的规律，填出4ab展开式中所缺的系数abab2222abaabb3322333abaa babb则443
4、2234abaa ba babb12某些植物发芽有这样一种规律；当年所发新芽第二年不发芽，老芽在以后每年都发芽发芽规律见下表(设第一年前的新芽数为a)照这样下去，第8 年老芽数与总芽数的比值为(精确到 0.001)第年1 2 3 4 老芽数Za 3a 5a 精品资料-欢迎下载-欢迎下载 名师归纳-第 2 页，共 5 页 -文档编码:CB10S10L6H4X6 HR5H9F7M8Q3 ZI9T5U6G3Q6文档编码:CB10S10L6H4X6 HR5H9F7M8Q3 ZI9T5U6G3Q6文档编码:CB10S10L6H4X6 HR5H9F7M8Q3 ZI9T5U6G3Q6文档编码:CB10S10
5、L6H4X6 HR5H9F7M8Q3 ZI9T5U6G3Q6文档编码:CB10S10L6H4X6 HR5H9F7M8Q3 ZI9T5U6G3Q6文档编码:CB10S10L6H4X6 HR5H9F7M8Q3 ZI9T5U6G3Q6文档编码:CB10S10L6H4X6 HR5H9F7M8Q3 ZI9T5U6G3Q6文档编码:CB10S10L6H4X6 HR5H9F7M8Q3 ZI9T5U6G3Q6文档编码:CB10S10L6H4X6 HR5H9F7M8Q3 ZI9T5U6G3Q6文档编码:CB10S10L6H4X6 HR5H9F7M8Q3 ZI9T5U6G3Q6文档编码:CB10S10L6H4X6
6、 HR5H9F7M8Q3 ZI9T5U6G3Q6文档编码:CB10S10L6H4X6 HR5H9F7M8Q3 ZI9T5U6G3Q6文档编码:CB10S10L6H4X6 HR5H9F7M8Q3 ZI9T5U6G3Q6文档编码:CB10S10L6H4X6 HR5H9F7M8Q3 ZI9T5U6G3Q6文档编码:CB10S10L6H4X6 HR5H9F7M8Q3 ZI9T5U6G3Q6文档编码:CB10S10L6H4X6 HR5H9F7M8Q3 ZI9T5U6G3Q6文档编码:CB10S10L6H4X6 HR5H9F7M8Q3 ZI9T5U6G3Q6文档编码:CB10S10L6H4X6 HR5H9
7、F7M8Q3 ZI9T5U6G3Q6文档编码:CB10S10L6H4X6 HR5H9F7M8Q3 ZI9T5U6G3Q6文档编码:CB10S10L6H4X6 HR5H9F7M8Q3 ZI9T5U6G3Q6文档编码:CB10S10L6H4X6 HR5H9F7M8Q3 ZI9T5U6G3Q6文档编码:CB10S10L6H4X6 HR5H9F7M8Q3 ZI9T5U6G3Q6文档编码:CB10S10L6H4X6 HR5H9F7M8Q3 ZI9T5U6G3Q6文档编码:CB10S10L6H4X6 HR5H9F7M8Q3 ZI9T5U6G3Q6文档编码:CB10S10L6H4X6 HR5H9F7M8Q3
8、 ZI9T5U6G3Q6文档编码:CB10S10L6H4X6 HR5H9F7M8Q3 ZI9T5U6G3Q6文档编码:CB10S10L6H4X6 HR5H9F7M8Q3 ZI9T5U6G3Q6文档编码:CB10S10L6H4X6 HR5H9F7M8Q3 ZI9T5U6G3Q6文档编码:CB10S10L6H4X6 HR5H9F7M8Q3 ZI9T5U6G3Q6文档编码:CB10S10L6H4X6 HR5H9F7M8Q3 ZI9T5U6G3Q6文档编码:CB10S10L6H4X6 HR5H9F7M8Q3 ZI9T5U6G3Q6文档编码:CB10S10L6H4X6 HR5H9F7M8Q3 ZI9T5
9、U6G3Q6文档编码:CB10S10L6H4X6 HR5H9F7M8Q3 ZI9T5U6G3Q6文档编码:CB10S10L6H4X6 HR5H9F7M8Q3 ZI9T5U6G3Q6文档编码:CB10S10L6H4X6 HR5H9F7M8Q3 ZI9T5U6G3Q6文档编码:CB10S10L6H4X6 HR5H9F7M8Q3 ZI9T5U6G3Q6文档编码:CB10S10L6H4X6 HR5H9F7M8Q3 ZI9T5U6G3Q6文档编码:CB10S10L6H4X6 HR5H9F7M8Q3 ZI9T5U6G3Q6文档编码:CB10S10L6H4X6 HR5H9F7M8Q3 ZI9T5U6G3Q6
10、文档编码:CB10S10L6H4X6 HR5H9F7M8Q3 ZI9T5U6G3Q6文档编码:CB10S10L6H4X6 HR5H9F7M8Q3 ZI9T5U6G3Q6文档编码:CB10S10L6H4X6 HR5H9F7M8Q3 ZI9T5U6G3Q6文档编码:CB10S10L6H4X6 HR5H9F7M8Q3 ZI9T5U6G3Q6文档编码:CB10S10L6H4X6 HR5H9F7M8Q3 ZI9T5U6G3Q6文档编码:CB10S10L6H4X6 HR5H9F7M8Q3 ZI9T5U6G3Q6文档编码:CB10S10L6H4X6 HR5H9F7M8Q3 ZI9T5U6G3Q6文档编码:C
11、B10S10L6H4X6 HR5H9F7M8Q3 ZI9T5U6G3Q6文档编码:CB10S10L6H4X6 HR5H9F7M8Q3 ZI9T5U6G3Q6新芽数O 2a 3a 总芽敬2a 3a 5a 8a 13某体育馆用大小相同的长方形木板镶嵌地面，第1 次铺 2 块，如图(1)；第 2 次把第 1 次铺的完全围起来，如图(2)；第 3 次把第 2 次铺的完全围起来，如图(3)；依此方法，第”次铺完后，用字母”表示第”次镶嵌所使用的木板数（1）（2）（3）三、解答题14(10 分)计算：22232()3x x yxyy xx yx y15(18 分)已知：222,2mnnmmn，求：332m
12、mnn的值16(18 分)某商店积压了100件某种商品，为使这批货物尽快脱手，该商店采取了如下销售方案，将价格提高到原来的2.5 倍，再作 3次降价处理；第一次降价30，标出“亏本价”；第二次降价30，标出“破产价”；第三次降价30%，标出“跳楼价”3次降价处理销售结果如下表：(1)跳楼价占原价的百分比是多少?降价次数一二三销售件数10 40 一抢而光精品资料-欢迎下载-欢迎下载 名师归纳-第 3 页，共 5 页 -文档编码:CB10S10L6H4X6 HR5H9F7M8Q3 ZI9T5U6G3Q6文档编码:CB10S10L6H4X6 HR5H9F7M8Q3 ZI9T5U6G3Q6文档编码:C
13、B10S10L6H4X6 HR5H9F7M8Q3 ZI9T5U6G3Q6文档编码:CB10S10L6H4X6 HR5H9F7M8Q3 ZI9T5U6G3Q6文档编码:CB10S10L6H4X6 HR5H9F7M8Q3 ZI9T5U6G3Q6文档编码:CB10S10L6H4X6 HR5H9F7M8Q3 ZI9T5U6G3Q6文档编码:CB10S10L6H4X6 HR5H9F7M8Q3 ZI9T5U6G3Q6文档编码:CB10S10L6H4X6 HR5H9F7M8Q3 ZI9T5U6G3Q6文档编码:CB10S10L6H4X6 HR5H9F7M8Q3 ZI9T5U6G3Q6文档编码:CB10S10
14、L6H4X6 HR5H9F7M8Q3 ZI9T5U6G3Q6文档编码:CB10S10L6H4X6 HR5H9F7M8Q3 ZI9T5U6G3Q6文档编码:CB10S10L6H4X6 HR5H9F7M8Q3 ZI9T5U6G3Q6文档编码:CB10S10L6H4X6 HR5H9F7M8Q3 ZI9T5U6G3Q6文档编码:CB10S10L6H4X6 HR5H9F7M8Q3 ZI9T5U6G3Q6文档编码:CB10S10L6H4X6 HR5H9F7M8Q3 ZI9T5U6G3Q6文档编码:CB10S10L6H4X6 HR5H9F7M8Q3 ZI9T5U6G3Q6文档编码:CB10S10L6H4X6
15、 HR5H9F7M8Q3 ZI9T5U6G3Q6文档编码:CB10S10L6H4X6 HR5H9F7M8Q3 ZI9T5U6G3Q6文档编码:CB10S10L6H4X6 HR5H9F7M8Q3 ZI9T5U6G3Q6文档编码:CB10S10L6H4X6 HR5H9F7M8Q3 ZI9T5U6G3Q6文档编码:CB10S10L6H4X6 HR5H9F7M8Q3 ZI9T5U6G3Q6文档编码:CB10S10L6H4X6 HR5H9F7M8Q3 ZI9T5U6G3Q6文档编码:CB10S10L6H4X6 HR5H9F7M8Q3 ZI9T5U6G3Q6文档编码:CB10S10L6H4X6 HR5H9
16、F7M8Q3 ZI9T5U6G3Q6文档编码:CB10S10L6H4X6 HR5H9F7M8Q3 ZI9T5U6G3Q6文档编码:CB10S10L6H4X6 HR5H9F7M8Q3 ZI9T5U6G3Q6文档编码:CB10S10L6H4X6 HR5H9F7M8Q3 ZI9T5U6G3Q6文档编码:CB10S10L6H4X6 HR5H9F7M8Q3 ZI9T5U6G3Q6文档编码:CB10S10L6H4X6 HR5H9F7M8Q3 ZI9T5U6G3Q6文档编码:CB10S10L6H4X6 HR5H9F7M8Q3 ZI9T5U6G3Q6文档编码:CB10S10L6H4X6 HR5H9F7M8Q3
17、 ZI9T5U6G3Q6文档编码:CB10S10L6H4X6 HR5H9F7M8Q3 ZI9T5U6G3Q6文档编码:CB10S10L6H4X6 HR5H9F7M8Q3 ZI9T5U6G3Q6文档编码:CB10S10L6H4X6 HR5H9F7M8Q3 ZI9T5U6G3Q6文档编码:CB10S10L6H4X6 HR5H9F7M8Q3 ZI9T5U6G3Q6文档编码:CB10S10L6H4X6 HR5H9F7M8Q3 ZI9T5U6G3Q6文档编码:CB10S10L6H4X6 HR5H9F7M8Q3 ZI9T5U6G3Q6文档编码:CB10S10L6H4X6 HR5H9F7M8Q3 ZI9T5
18、U6G3Q6文档编码:CB10S10L6H4X6 HR5H9F7M8Q3 ZI9T5U6G3Q6文档编码:CB10S10L6H4X6 HR5H9F7M8Q3 ZI9T5U6G3Q6文档编码:CB10S10L6H4X6 HR5H9F7M8Q3 ZI9T5U6G3Q6文档编码:CB10S10L6H4X6 HR5H9F7M8Q3 ZI9T5U6G3Q6文档编码:CB10S10L6H4X6 HR5H9F7M8Q3 ZI9T5U6G3Q6文档编码:CB10S10L6H4X6 HR5H9F7M8Q3 ZI9T5U6G3Q6文档编码:CB10S10L6H4X6 HR5H9F7M8Q3 ZI9T5U6G3Q6
19、文档编码:CB10S10L6H4X6 HR5H9F7M8Q3 ZI9T5U6G3Q6文档编码:CB10S10L6H4X6 HR5H9F7M8Q3 ZI9T5U6G3Q6文档编码:CB10S10L6H4X6 HR5H9F7M8Q3 ZI9T5U6G3Q6(2)该商品按新销售方案销售，相比原价全部售完，哪种方案更盈利?测试题题答案l.C；2B；3B；4D；5B；6C；7(1)4，1，(2)32811abab9(2x+4y+6z)mm10士 411464120618提示：由题意易知，后一年的老芽数是前一年老芽数和新芽数的和，后一年的新芽数是前一年的老芽数.所以第 8 年的老芽数为21a，新芽数为13
20、a，总芽数为34a，老芽数与总芽数的比值约为0618.13221 242nnnn提示：第 1 次铺有 2=12块；第 2 次铺有 12=34 块；第 3 次铺有 30=56 块；第n次铺完后共有221 242nnnn块.14.原式2233xy15.解:332(2)2(2)2()mmnnm nmnn mmn22(2)(2)mnnmnm又22()()mnmn mn()()mnmnnmmn精品资料-欢迎下载-欢迎下载 名师归纳-第 4 页，共 5 页 -文档编码:CB10S10L6H4X6 HR5H9F7M8Q3 ZI9T5U6G3Q6文档编码:CB10S10L6H4X6 HR5H9F7M8Q3 Z
21、I9T5U6G3Q6文档编码:CB10S10L6H4X6 HR5H9F7M8Q3 ZI9T5U6G3Q6文档编码:CB10S10L6H4X6 HR5H9F7M8Q3 ZI9T5U6G3Q6文档编码:CB10S10L6H4X6 HR5H9F7M8Q3 ZI9T5U6G3Q6文档编码:CB10S10L6H4X6 HR5H9F7M8Q3 ZI9T5U6G3Q6文档编码:CB10S10L6H4X6 HR5H9F7M8Q3 ZI9T5U6G3Q6文档编码:CB10S10L6H4X6 HR5H9F7M8Q3 ZI9T5U6G3Q6文档编码:CB10S10L6H4X6 HR5H9F7M8Q3 ZI9T5U6
22、G3Q6文档编码:CB10S10L6H4X6 HR5H9F7M8Q3 ZI9T5U6G3Q6文档编码:CB10S10L6H4X6 HR5H9F7M8Q3 ZI9T5U6G3Q6文档编码:CB10S10L6H4X6 HR5H9F7M8Q3 ZI9T5U6G3Q6文档编码:CB10S10L6H4X6 HR5H9F7M8Q3 ZI9T5U6G3Q6文档编码:CB10S10L6H4X6 HR5H9F7M8Q3 ZI9T5U6G3Q6文档编码:CB10S10L6H4X6 HR5H9F7M8Q3 ZI9T5U6G3Q6文档编码:CB10S10L6H4X6 HR5H9F7M8Q3 ZI9T5U6G3Q6文档
23、编码:CB10S10L6H4X6 HR5H9F7M8Q3 ZI9T5U6G3Q6文档编码:CB10S10L6H4X6 HR5H9F7M8Q3 ZI9T5U6G3Q6文档编码:CB10S10L6H4X6 HR5H9F7M8Q3 ZI9T5U6G3Q6文档编码:CB10S10L6H4X6 HR5H9F7M8Q3 ZI9T5U6G3Q6文档编码:CB10S10L6H4X6 HR5H9F7M8Q3 ZI9T5U6G3Q6文档编码:CB10S10L6H4X6 HR5H9F7M8Q3 ZI9T5U6G3Q6文档编码:CB10S10L6H4X6 HR5H9F7M8Q3 ZI9T5U6G3Q6文档编码:CB1
24、0S10L6H4X6 HR5H9F7M8Q3 ZI9T5U6G3Q6文档编码:CB10S10L6H4X6 HR5H9F7M8Q3 ZI9T5U6G3Q6文档编码:CB10S10L6H4X6 HR5H9F7M8Q3 ZI9T5U6G3Q6文档编码:CB10S10L6H4X6 HR5H9F7M8Q3 ZI9T5U6G3Q6文档编码:CB10S10L6H4X6 HR5H9F7M8Q3 ZI9T5U6G3Q6文档编码:CB10S10L6H4X6 HR5H9F7M8Q3 ZI9T5U6G3Q6文档编码:CB10S10L6H4X6 HR5H9F7M8Q3 ZI9T5U6G3Q6文档编码:CB10S10L6
25、H4X6 HR5H9F7M8Q3 ZI9T5U6G3Q6文档编码:CB10S10L6H4X6 HR5H9F7M8Q3 ZI9T5U6G3Q6文档编码:CB10S10L6H4X6 HR5H9F7M8Q3 ZI9T5U6G3Q6文档编码:CB10S10L6H4X6 HR5H9F7M8Q3 ZI9T5U6G3Q6文档编码:CB10S10L6H4X6 HR5H9F7M8Q3 ZI9T5U6G3Q6文档编码:CB10S10L6H4X6 HR5H9F7M8Q3 ZI9T5U6G3Q6文档编码:CB10S10L6H4X6 HR5H9F7M8Q3 ZI9T5U6G3Q6文档编码:CB10S10L6H4X6 H
26、R5H9F7M8Q3 ZI9T5U6G3Q6文档编码:CB10S10L6H4X6 HR5H9F7M8Q3 ZI9T5U6G3Q6文档编码:CB10S10L6H4X6 HR5H9F7M8Q3 ZI9T5U6G3Q6文档编码:CB10S10L6H4X6 HR5H9F7M8Q3 ZI9T5U6G3Q6文档编码:CB10S10L6H4X6 HR5H9F7M8Q3 ZI9T5U6G3Q6文档编码:CB10S10L6H4X6 HR5H9F7M8Q3 ZI9T5U6G3Q6文档编码:CB10S10L6H4X6 HR5H9F7M8Q3 ZI9T5U6G3Q6文档编码:CB10S10L6H4X6 HR5H9F7
27、M8Q3 ZI9T5U6G3Q6文档编码:CB10S10L6H4X6 HR5H9F7M8Q3 ZI9T5U6G3Q6文档编码:CB10S10L6H4X6 HR5H9F7M8Q3 ZI9T5U6G3Q6文档编码:CB10S10L6H4X6 HR5H9F7M8Q3 ZI9T5U6G3Q61mn故原式=2(1)2.16.解(1)设原价为x,则跳楼价为2.50.7 0.7 0.7x所以跳楼价占原价的百分比为32.50.785.75%xx.(2)原价出售:销售金额100 x新价出售:销售金额32.50.7 102.50.70.7402.50.750 xxx109.375x109.375100 xx,新方
28、案销售更盈利.精品资料-欢迎下载-欢迎下载 名师归纳-第 5 页，共 5 页 -文档编码:CB10S10L6H4X6 HR5H9F7M8Q3 ZI9T5U6G3Q6文档编码:CB10S10L6H4X6 HR5H9F7M8Q3 ZI9T5U6G3Q6文档编码:CB10S10L6H4X6 HR5H9F7M8Q3 ZI9T5U6G3Q6文档编码:CB10S10L6H4X6 HR5H9F7M8Q3 ZI9T5U6G3Q6文档编码:CB10S10L6H4X6 HR5H9F7M8Q3 ZI9T5U6G3Q6文档编码:CB10S10L6H4X6 HR5H9F7M8Q3 ZI9T5U6G3Q6文档编码:CB1
29、0S10L6H4X6 HR5H9F7M8Q3 ZI9T5U6G3Q6文档编码:CB10S10L6H4X6 HR5H9F7M8Q3 ZI9T5U6G3Q6文档编码:CB10S10L6H4X6 HR5H9F7M8Q3 ZI9T5U6G3Q6文档编码:CB10S10L6H4X6 HR5H9F7M8Q3 ZI9T5U6G3Q6文档编码:CB10S10L6H4X6 HR5H9F7M8Q3 ZI9T5U6G3Q6文档编码:CB10S10L6H4X6 HR5H9F7M8Q3 ZI9T5U6G3Q6文档编码:CB10S10L6H4X6 HR5H9F7M8Q3 ZI9T5U6G3Q6文档编码:CB10S10L6
30、H4X6 HR5H9F7M8Q3 ZI9T5U6G3Q6文档编码:CB10S10L6H4X6 HR5H9F7M8Q3 ZI9T5U6G3Q6文档编码:CB10S10L6H4X6 HR5H9F7M8Q3 ZI9T5U6G3Q6文档编码:CB10S10L6H4X6 HR5H9F7M8Q3 ZI9T5U6G3Q6文档编码:CB10S10L6H4X6 HR5H9F7M8Q3 ZI9T5U6G3Q6文档编码:CB10S10L6H4X6 HR5H9F7M8Q3 ZI9T5U6G3Q6文档编码:CB10S10L6H4X6 HR5H9F7M8Q3 ZI9T5U6G3Q6文档编码:CB10S10L6H4X6 H
31、R5H9F7M8Q3 ZI9T5U6G3Q6文档编码:CB10S10L6H4X6 HR5H9F7M8Q3 ZI9T5U6G3Q6文档编码:CB10S10L6H4X6 HR5H9F7M8Q3 ZI9T5U6G3Q6文档编码:CB10S10L6H4X6 HR5H9F7M8Q3 ZI9T5U6G3Q6文档编码:CB10S10L6H4X6 HR5H9F7M8Q3 ZI9T5U6G3Q6文档编码:CB10S10L6H4X6 HR5H9F7M8Q3 ZI9T5U6G3Q6文档编码:CB10S10L6H4X6 HR5H9F7M8Q3 ZI9T5U6G3Q6文档编码:CB10S10L6H4X6 HR5H9F7
32、M8Q3 ZI9T5U6G3Q6文档编码:CB10S10L6H4X6 HR5H9F7M8Q3 ZI9T5U6G3Q6文档编码:CB10S10L6H4X6 HR5H9F7M8Q3 ZI9T5U6G3Q6文档编码:CB10S10L6H4X6 HR5H9F7M8Q3 ZI9T5U6G3Q6文档编码:CB10S10L6H4X6 HR5H9F7M8Q3 ZI9T5U6G3Q6文档编码:CB10S10L6H4X6 HR5H9F7M8Q3 ZI9T5U6G3Q6文档编码:CB10S10L6H4X6 HR5H9F7M8Q3 ZI9T5U6G3Q6文档编码:CB10S10L6H4X6 HR5H9F7M8Q3 Z
33、I9T5U6G3Q6文档编码:CB10S10L6H4X6 HR5H9F7M8Q3 ZI9T5U6G3Q6文档编码:CB10S10L6H4X6 HR5H9F7M8Q3 ZI9T5U6G3Q6文档编码:CB10S10L6H4X6 HR5H9F7M8Q3 ZI9T5U6G3Q6文档编码:CB10S10L6H4X6 HR5H9F7M8Q3 ZI9T5U6G3Q6文档编码:CB10S10L6H4X6 HR5H9F7M8Q3 ZI9T5U6G3Q6文档编码:CB10S10L6H4X6 HR5H9F7M8Q3 ZI9T5U6G3Q6文档编码:CB10S10L6H4X6 HR5H9F7M8Q3 ZI9T5U6G3Q6文档编码:CB10S10L6H4X6 HR5H9F7M8Q3 ZI9T5U6G3Q6文档编码:CB10S10L6H4X6 HR5H9F7M8Q3 ZI9T5U6G3Q6文档编码:CB10S10L6H4X6 HR5H9F7M8Q3 ZI9T5U6G3Q6文档编码:CB10S10L6H4X6 HR5H9F7M8Q3 ZI9T5U6G3Q6文档编码:CB10S10L6H4X6 HR5H9F7M8Q3 ZI9T5U6G3Q6文档编码:CB10S10L6H4X6 HR5H9F7M8Q3 ZI9T5U6G3Q6