2017年八年级期末考试八年级数学上期末考试模拟试题(含答案).pdf

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1、20XX年八年级期末考试2016-2017 学年八年级数学上期末考试模拟试题(含答案)2016-2017 学年八年级数学上期末模拟试题一、选择题（每小题3 分，共 30 分）x2 1.将分式中的x、y 的值同时扩大为原来的2 倍，则分式的值（）x?y A.扩大为原来的2倍B.缩小到原来的1 C.保持不变D.无法确定2?x?5C?x?3?x?5D?x?3?2、.如图，数 轴 上 表 示 的 是 下 列 哪 个 不 等 式 组 的 解 集（）?x?5?x?5A?B?x?3x?3?3下列说法，正确的是（）A、9 的算术平方根是 3。B、0.125 的立方根是?0.5 C、无限小数是无理数，无理数也是

2、无限小数D、一个无理数和一个有理数之积为无理数4.x 应满足的条件是（）A.x?8 B.x?8 C.x?8 D.x?0且 x?8 5下列说法，正确的是（）A、零不存在算术平方根B、一个数的算术文档编码:CM8G5Y9B2X1 HO8Z10T2C7Y8 ZX4W4V8H2J2文档编码:CM8G5Y9B2X1 HO8Z10T2C7Y8 ZX4W4V8H2J2文档编码:CM8G5Y9B2X1 HO8Z10T2C7Y8 ZX4W4V8H2J2文档编码:CM8G5Y9B2X1 HO8Z10T2C7Y8 ZX4W4V8H2J2文档编码:CM8G5Y9B2X1 HO8Z10T2C7Y8 ZX4W4V8H2J

3、2文档编码:CM8G5Y9B2X1 HO8Z10T2C7Y8 ZX4W4V8H2J2文档编码:CM8G5Y9B2X1 HO8Z10T2C7Y8 ZX4W4V8H2J2文档编码:CM8G5Y9B2X1 HO8Z10T2C7Y8 ZX4W4V8H2J2文档编码:CM8G5Y9B2X1 HO8Z10T2C7Y8 ZX4W4V8H2J2文档编码:CM8G5Y9B2X1 HO8Z10T2C7Y8 ZX4W4V8H2J2文档编码:CM8G5Y9B2X1 HO8Z10T2C7Y8 ZX4W4V8H2J2文档编码:CM8G5Y9B2X1 HO8Z10T2C7Y8 ZX4W4V8H2J2文档编码:CM8G5Y9

4、B2X1 HO8Z10T2C7Y8 ZX4W4V8H2J2文档编码:CM8G5Y9B2X1 HO8Z10T2C7Y8 ZX4W4V8H2J2文档编码:CM8G5Y9B2X1 HO8Z10T2C7Y8 ZX4W4V8H2J2文档编码:CM8G5Y9B2X1 HO8Z10T2C7Y8 ZX4W4V8H2J2文档编码:CM8G5Y9B2X1 HO8Z10T2C7Y8 ZX4W4V8H2J2文档编码:CM8G5Y9B2X1 HO8Z10T2C7Y8 ZX4W4V8H2J2文档编码:CM8G5Y9B2X1 HO8Z10T2C7Y8 ZX4W4V8H2J2文档编码:CM8G5Y9B2X1 HO8Z10T2

5、C7Y8 ZX4W4V8H2J2文档编码:CM8G5Y9B2X1 HO8Z10T2C7Y8 ZX4W4V8H2J2文档编码:CM8G5Y9B2X1 HO8Z10T2C7Y8 ZX4W4V8H2J2文档编码:CM8G5Y9B2X1 HO8Z10T2C7Y8 ZX4W4V8H2J2文档编码:CM8G5Y9B2X1 HO8Z10T2C7Y8 ZX4W4V8H2J2文档编码:CM8G5Y9B2X1 HO8Z10T2C7Y8 ZX4W4V8H2J2文档编码:CM8G5Y9B2X1 HO8Z10T2C7Y8 ZX4W4V8H2J2文档编码:CM8G5Y9B2X1 HO8Z10T2C7Y8 ZX4W4V8H

6、2J2文档编码:CM8G5Y9B2X1 HO8Z10T2C7Y8 ZX4W4V8H2J2文档编码:CM8G5Y9B2X1 HO8Z10T2C7Y8 ZX4W4V8H2J2文档编码:CM8G5Y9B2X1 HO8Z10T2C7Y8 ZX4W4V8H2J2文档编码:CM8G5Y9B2X1 HO8Z10T2C7Y8 ZX4W4V8H2J2文档编码:CM8G5Y9B2X1 HO8Z10T2C7Y8 ZX4W4V8H2J2文档编码:CM8G5Y9B2X1 HO8Z10T2C7Y8 ZX4W4V8H2J2文档编码:CM8G5Y9B2X1 HO8Z10T2C7Y8 ZX4W4V8H2J2文档编码:CM8G5

7、Y9B2X1 HO8Z10T2C7Y8 ZX4W4V8H2J2文档编码:CM8G5Y9B2X1 HO8Z10T2C7Y8 ZX4W4V8H2J2文档编码:CM8G5Y9B2X1 HO8Z10T2C7Y8 ZX4W4V8H2J2文档编码:CM8G5Y9B2X1 HO8Z10T2C7Y8 ZX4W4V8H2J2文档编码:CM8G5Y9B2X1 HO8Z10T2C7Y8 ZX4W4V8H2J2文档编码:CM8G5Y9B2X1 HO8Z10T2C7Y8 ZX4W4V8H2J2文档编码:CM8G5Y9B2X1 HO8Z10T2C7Y8 ZX4W4V8H2J2文档编码:CM8G5Y9B2X1 HO8Z10

8、T2C7Y8 ZX4W4V8H2J2文档编码:CM8G5Y9B2X1 HO8Z10T2C7Y8 ZX4W4V8H2J2文档编码:CM8G5Y9B2X1 HO8Z10T2C7Y8 ZX4W4V8H2J2文档编码:CM8G5Y9B2X1 HO8Z10T2C7Y8 ZX4W4V8H2J2文档编码:CM8G5Y9B2X1 HO8Z10T2C7Y8 ZX4W4V8H2J2文档编码:CM8G5Y9B2X1 HO8Z10T2C7Y8 ZX4W4V8H2J2文档编码:CM8G5Y9B2X1 HO8Z10T2C7Y8 ZX4W4V8H2J2平根一定是正数C、一个数的立方根一定比这个数小D、一个非零数的立方根仍是

9、一个非零数6.如果一个三角形的两边长分别为2 和 4，则第三边长可能是（）A.2 B.4 C.6 D.8 7若 0 x1，那么 x?1?(x?1)2 的化简结果是（）A、2x B、2 C、0 D、2x?2 8下列各结论中，正确的是（）A、?(?6)2?6 B、(?3)2?9 C、(?16)2?16 D、?(?16216)?2525 9边长为acm 的正方形的面积与长、宽分别为8cm、4cm的长方形的面积相等，则a 的文档编码:CM8G5Y9B2X1 HO8Z10T2C7Y8 ZX4W4V8H2J2文档编码:CM8G5Y9B2X1 HO8Z10T2C7Y8 ZX4W4V8H2J2文档编码:CM8

10、G5Y9B2X1 HO8Z10T2C7Y8 ZX4W4V8H2J2文档编码:CM8G5Y9B2X1 HO8Z10T2C7Y8 ZX4W4V8H2J2文档编码:CM8G5Y9B2X1 HO8Z10T2C7Y8 ZX4W4V8H2J2文档编码:CM8G5Y9B2X1 HO8Z10T2C7Y8 ZX4W4V8H2J2文档编码:CM8G5Y9B2X1 HO8Z10T2C7Y8 ZX4W4V8H2J2文档编码:CM8G5Y9B2X1 HO8Z10T2C7Y8 ZX4W4V8H2J2文档编码:CM8G5Y9B2X1 HO8Z10T2C7Y8 ZX4W4V8H2J2文档编码:CM8G5Y9B2X1 HO8Z

11、10T2C7Y8 ZX4W4V8H2J2文档编码:CM8G5Y9B2X1 HO8Z10T2C7Y8 ZX4W4V8H2J2文档编码:CM8G5Y9B2X1 HO8Z10T2C7Y8 ZX4W4V8H2J2文档编码:CM8G5Y9B2X1 HO8Z10T2C7Y8 ZX4W4V8H2J2文档编码:CM8G5Y9B2X1 HO8Z10T2C7Y8 ZX4W4V8H2J2文档编码:CM8G5Y9B2X1 HO8Z10T2C7Y8 ZX4W4V8H2J2文档编码:CM8G5Y9B2X1 HO8Z10T2C7Y8 ZX4W4V8H2J2文档编码:CM8G5Y9B2X1 HO8Z10T2C7Y8 ZX4W

12、4V8H2J2文档编码:CM8G5Y9B2X1 HO8Z10T2C7Y8 ZX4W4V8H2J2文档编码:CM8G5Y9B2X1 HO8Z10T2C7Y8 ZX4W4V8H2J2文档编码:CM8G5Y9B2X1 HO8Z10T2C7Y8 ZX4W4V8H2J2文档编码:CM8G5Y9B2X1 HO8Z10T2C7Y8 ZX4W4V8H2J2文档编码:CM8G5Y9B2X1 HO8Z10T2C7Y8 ZX4W4V8H2J2文档编码:CM8G5Y9B2X1 HO8Z10T2C7Y8 ZX4W4V8H2J2文档编码:CM8G5Y9B2X1 HO8Z10T2C7Y8 ZX4W4V8H2J2文档编码:C

13、M8G5Y9B2X1 HO8Z10T2C7Y8 ZX4W4V8H2J2文档编码:CM8G5Y9B2X1 HO8Z10T2C7Y8 ZX4W4V8H2J2文档编码:CM8G5Y9B2X1 HO8Z10T2C7Y8 ZX4W4V8H2J2文档编码:CM8G5Y9B2X1 HO8Z10T2C7Y8 ZX4W4V8H2J2文档编码:CM8G5Y9B2X1 HO8Z10T2C7Y8 ZX4W4V8H2J2文档编码:CM8G5Y9B2X1 HO8Z10T2C7Y8 ZX4W4V8H2J2文档编码:CM8G5Y9B2X1 HO8Z10T2C7Y8 ZX4W4V8H2J2文档编码:CM8G5Y9B2X1 HO

14、8Z10T2C7Y8 ZX4W4V8H2J2文档编码:CM8G5Y9B2X1 HO8Z10T2C7Y8 ZX4W4V8H2J2文档编码:CM8G5Y9B2X1 HO8Z10T2C7Y8 ZX4W4V8H2J2文档编码:CM8G5Y9B2X1 HO8Z10T2C7Y8 ZX4W4V8H2J2文档编码:CM8G5Y9B2X1 HO8Z10T2C7Y8 ZX4W4V8H2J2文档编码:CM8G5Y9B2X1 HO8Z10T2C7Y8 ZX4W4V8H2J2文档编码:CM8G5Y9B2X1 HO8Z10T2C7Y8 ZX4W4V8H2J2文档编码:CM8G5Y9B2X1 HO8Z10T2C7Y8 ZX

15、4W4V8H2J2文档编码:CM8G5Y9B2X1 HO8Z10T2C7Y8 ZX4W4V8H2J2文档编码:CM8G5Y9B2X1 HO8Z10T2C7Y8 ZX4W4V8H2J2文档编码:CM8G5Y9B2X1 HO8Z10T2C7Y8 ZX4W4V8H2J2文档编码:CM8G5Y9B2X1 HO8Z10T2C7Y8 ZX4W4V8H2J2文档编码:CM8G5Y9B2X1 HO8Z10T2C7Y8 ZX4W4V8H2J2文档编码:CM8G5Y9B2X1 HO8Z10T2C7Y8 ZX4W4V8H2J2文档编码:CM8G5Y9B2X1 HO8Z10T2C7Y8 ZX4W4V8H2J2文档编码

16、:CM8G5Y9B2X1 HO8Z10T2C7Y8 ZX4W4V8H2J2文档编码:CM8G5Y9B2X1 HO8Z10T2C7Y8 ZX4W4V8H2J2值在（）A、2 与 3 之间B、3 与 4 之间C、4 与 5 之间D、5 与 6 之间10.如图，在 ABC 中，AB=AC，D 为 BC 中点，BAD=35 ,则 C 的度数为（）A.35B.45C.55D.60二、填空题（每小题3 分，共 30 分）11.(?5)2 的平方根是2a3b6ab2 12.计算：32?2 cbc ba?(1?)错误！未找到引用源。错误！未找到引用源。的结果文档编码:CM8G5Y9B2X1 HO8Z10T2C

17、7Y8 ZX4W4V8H2J2文档编码:CM8G5Y9B2X1 HO8Z10T2C7Y8 ZX4W4V8H2J2文档编码:CM8G5Y9B2X1 HO8Z10T2C7Y8 ZX4W4V8H2J2文档编码:CM8G5Y9B2X1 HO8Z10T2C7Y8 ZX4W4V8H2J2文档编码:CM8G5Y9B2X1 HO8Z10T2C7Y8 ZX4W4V8H2J2文档编码:CM8G5Y9B2X1 HO8Z10T2C7Y8 ZX4W4V8H2J2文档编码:CM8G5Y9B2X1 HO8Z10T2C7Y8 ZX4W4V8H2J2文档编码:CM8G5Y9B2X1 HO8Z10T2C7Y8 ZX4W4V8H2

18、J2文档编码:CM8G5Y9B2X1 HO8Z10T2C7Y8 ZX4W4V8H2J2文档编码:CM8G5Y9B2X1 HO8Z10T2C7Y8 ZX4W4V8H2J2文档编码:CM8G5Y9B2X1 HO8Z10T2C7Y8 ZX4W4V8H2J2文档编码:CM8G5Y9B2X1 HO8Z10T2C7Y8 ZX4W4V8H2J2文档编码:CM8G5Y9B2X1 HO8Z10T2C7Y8 ZX4W4V8H2J2文档编码:CM8G5Y9B2X1 HO8Z10T2C7Y8 ZX4W4V8H2J2文档编码:CM8G5Y9B2X1 HO8Z10T2C7Y8 ZX4W4V8H2J2文档编码:CM8G5Y

19、9B2X1 HO8Z10T2C7Y8 ZX4W4V8H2J2文档编码:CM8G5Y9B2X1 HO8Z10T2C7Y8 ZX4W4V8H2J2文档编码:CM8G5Y9B2X1 HO8Z10T2C7Y8 ZX4W4V8H2J2文档编码:CM8G5Y9B2X1 HO8Z10T2C7Y8 ZX4W4V8H2J2文档编码:CM8G5Y9B2X1 HO8Z10T2C7Y8 ZX4W4V8H2J2文档编码:CM8G5Y9B2X1 HO8Z10T2C7Y8 ZX4W4V8H2J2文档编码:CM8G5Y9B2X1 HO8Z10T2C7Y8 ZX4W4V8H2J2文档编码:CM8G5Y9B2X1 HO8Z10T

20、2C7Y8 ZX4W4V8H2J2文档编码:CM8G5Y9B2X1 HO8Z10T2C7Y8 ZX4W4V8H2J2文档编码:CM8G5Y9B2X1 HO8Z10T2C7Y8 ZX4W4V8H2J2文档编码:CM8G5Y9B2X1 HO8Z10T2C7Y8 ZX4W4V8H2J2文档编码:CM8G5Y9B2X1 HO8Z10T2C7Y8 ZX4W4V8H2J2文档编码:CM8G5Y9B2X1 HO8Z10T2C7Y8 ZX4W4V8H2J2文档编码:CM8G5Y9B2X1 HO8Z10T2C7Y8 ZX4W4V8H2J2文档编码:CM8G5Y9B2X1 HO8Z10T2C7Y8 ZX4W4V8

21、H2J2文档编码:CM8G5Y9B2X1 HO8Z10T2C7Y8 ZX4W4V8H2J2文档编码:CM8G5Y9B2X1 HO8Z10T2C7Y8 ZX4W4V8H2J2文档编码:CM8G5Y9B2X1 HO8Z10T2C7Y8 ZX4W4V8H2J2文档编码:CM8G5Y9B2X1 HO8Z10T2C7Y8 ZX4W4V8H2J2文档编码:CM8G5Y9B2X1 HO8Z10T2C7Y8 ZX4W4V8H2J2文档编码:CM8G5Y9B2X1 HO8Z10T2C7Y8 ZX4W4V8H2J2文档编码:CM8G5Y9B2X1 HO8Z10T2C7Y8 ZX4W4V8H2J2文档编码:CM8G

22、5Y9B2X1 HO8Z10T2C7Y8 ZX4W4V8H2J2文档编码:CM8G5Y9B2X1 HO8Z10T2C7Y8 ZX4W4V8H2J2文档编码:CM8G5Y9B2X1 HO8Z10T2C7Y8 ZX4W4V8H2J2文档编码:CM8G5Y9B2X1 HO8Z10T2C7Y8 ZX4W4V8H2J2文档编码:CM8G5Y9B2X1 HO8Z10T2C7Y8 ZX4W4V8H2J2文档编码:CM8G5Y9B2X1 HO8Z10T2C7Y8 ZX4W4V8H2J2文档编码:CM8G5Y9B2X1 HO8Z10T2C7Y8 ZX4W4V8H2J2文档编码:CM8G5Y9B2X1 HO8Z1

23、0T2C7Y8 ZX4W4V8H2J2文档编码:CM8G5Y9B2X1 HO8Z10T2C7Y8 ZX4W4V8H2J2文档编码:CM8G5Y9B2X1 HO8Z10T2C7Y8 ZX4W4V8H2J2文档编码:CM8G5Y9B2X1 HO8Z10T2C7Y8 ZX4W4V8H2J213.计算 2a?b2a?b 是.?22?中无理数14 在，4，9，?3.141414?，?，0.2323323332?，?7?2?是.15.当代数式0 x3x 的值大于10 时，x 的取值范围是_.2?1?x?1?0，16.不 等 式 组?3的 解 集是.?2?x017.关于 x 的方程 kx?1?2x 的解为正

24、实数，则k 的取值范围是 18若 2a?4 与 3a?1 是同一个数的平方根，则a 的值为19.在 ABC中，AB 4,AC 3,AD是 ABC之 比是.文档编码:CM8G5Y9B2X1 HO8Z10T2C7Y8 ZX4W4V8H2J2文档编码:CM8G5Y9B2X1 HO8Z10T2C7Y8 ZX4W4V8H2J2文档编码:CM8G5Y9B2X1 HO8Z10T2C7Y8 ZX4W4V8H2J2文档编码:CM8G5Y9B2X1 HO8Z10T2C7Y8 ZX4W4V8H2J2文档编码:CM8G5Y9B2X1 HO8Z10T2C7Y8 ZX4W4V8H2J2文档编码:CM8G5Y9B2X1 H

25、O8Z10T2C7Y8 ZX4W4V8H2J2文档编码:CM8G5Y9B2X1 HO8Z10T2C7Y8 ZX4W4V8H2J2文档编码:CM8G5Y9B2X1 HO8Z10T2C7Y8 ZX4W4V8H2J2文档编码:CM8G5Y9B2X1 HO8Z10T2C7Y8 ZX4W4V8H2J2文档编码:CM8G5Y9B2X1 HO8Z10T2C7Y8 ZX4W4V8H2J2文档编码:CM8G5Y9B2X1 HO8Z10T2C7Y8 ZX4W4V8H2J2文档编码:CM8G5Y9B2X1 HO8Z10T2C7Y8 ZX4W4V8H2J2文档编码:CM8G5Y9B2X1 HO8Z10T2C7Y8 Z

26、X4W4V8H2J2文档编码:CM8G5Y9B2X1 HO8Z10T2C7Y8 ZX4W4V8H2J2文档编码:CM8G5Y9B2X1 HO8Z10T2C7Y8 ZX4W4V8H2J2文档编码:CM8G5Y9B2X1 HO8Z10T2C7Y8 ZX4W4V8H2J2文档编码:CM8G5Y9B2X1 HO8Z10T2C7Y8 ZX4W4V8H2J2文档编码:CM8G5Y9B2X1 HO8Z10T2C7Y8 ZX4W4V8H2J2文档编码:CM8G5Y9B2X1 HO8Z10T2C7Y8 ZX4W4V8H2J2文档编码:CM8G5Y9B2X1 HO8Z10T2C7Y8 ZX4W4V8H2J2文档编

27、码:CM8G5Y9B2X1 HO8Z10T2C7Y8 ZX4W4V8H2J2文档编码:CM8G5Y9B2X1 HO8Z10T2C7Y8 ZX4W4V8H2J2文档编码:CM8G5Y9B2X1 HO8Z10T2C7Y8 ZX4W4V8H2J2文档编码:CM8G5Y9B2X1 HO8Z10T2C7Y8 ZX4W4V8H2J2文档编码:CM8G5Y9B2X1 HO8Z10T2C7Y8 ZX4W4V8H2J2文档编码:CM8G5Y9B2X1 HO8Z10T2C7Y8 ZX4W4V8H2J2文档编码:CM8G5Y9B2X1 HO8Z10T2C7Y8 ZX4W4V8H2J2文档编码:CM8G5Y9B2X1

28、 HO8Z10T2C7Y8 ZX4W4V8H2J2文档编码:CM8G5Y9B2X1 HO8Z10T2C7Y8 ZX4W4V8H2J2文档编码:CM8G5Y9B2X1 HO8Z10T2C7Y8 ZX4W4V8H2J2文档编码:CM8G5Y9B2X1 HO8Z10T2C7Y8 ZX4W4V8H2J2文档编码:CM8G5Y9B2X1 HO8Z10T2C7Y8 ZX4W4V8H2J2文档编码:CM8G5Y9B2X1 HO8Z10T2C7Y8 ZX4W4V8H2J2文档编码:CM8G5Y9B2X1 HO8Z10T2C7Y8 ZX4W4V8H2J2文档编码:CM8G5Y9B2X1 HO8Z10T2C7Y8

29、 ZX4W4V8H2J2文档编码:CM8G5Y9B2X1 HO8Z10T2C7Y8 ZX4W4V8H2J2文档编码:CM8G5Y9B2X1 HO8Z10T2C7Y8 ZX4W4V8H2J2文档编码:CM8G5Y9B2X1 HO8Z10T2C7Y8 ZX4W4V8H2J2文档编码:CM8G5Y9B2X1 HO8Z10T2C7Y8 ZX4W4V8H2J2文档编码:CM8G5Y9B2X1 HO8Z10T2C7Y8 ZX4W4V8H2J2文档编码:CM8G5Y9B2X1 HO8Z10T2C7Y8 ZX4W4V8H2J2文档编码:CM8G5Y9B2X1 HO8Z10T2C7Y8 ZX4W4V8H2J2文

30、档编码:CM8G5Y9B2X1 HO8Z10T2C7Y8 ZX4W4V8H2J2文档编码:CM8G5Y9B2X1 HO8Z10T2C7Y8 ZX4W4V8H2J2文档编码:CM8G5Y9B2X1 HO8Z10T2C7Y8 ZX4W4V8H2J2文档编码:CM8G5Y9B2X1 HO8Z10T2C7Y8 ZX4W4V8H2J2文档编码:CM8G5Y9B2X1 HO8Z10T2C7Y8 ZX4W4V8H2J2文档编码:CM8G5Y9B2X1 HO8Z10T2C7Y8 ZX4W4V8H2J220.如图，点 D 在 ABC 边 BC 的延长线上，CE 平分 ACD，A80，B40，则 ACE 的大小是

31、度三、解答题（本大题共6 小题，共 60 分）21化简：（12 分）（1）（2）(3?2)(?2?3)16?3?1?（4）?2?(?2009)0?（3）40?5?102?2?22.（6 分）解不等式?21?x1?2x?，并把它的解集表示在数轴上.37 x2?2x?1x?23.（8 分）已知 A错误！未找到引用源。.2x?1x?1(1)化简 A；文档编码:CM8G5Y9B2X1 HO8Z10T2C7Y8 ZX4W4V8H2J2文档编码:CM8G5Y9B2X1 HO8Z10T2C7Y8 ZX4W4V8H2J2文档编码:CM8G5Y9B2X1 HO8Z10T2C7Y8 ZX4W4V8H2J2文档编码

32、:CM8G5Y9B2X1 HO8Z10T2C7Y8 ZX4W4V8H2J2文档编码:CM8G5Y9B2X1 HO8Z10T2C7Y8 ZX4W4V8H2J2文档编码:CM8G5Y9B2X1 HO8Z10T2C7Y8 ZX4W4V8H2J2文档编码:CM8G5Y9B2X1 HO8Z10T2C7Y8 ZX4W4V8H2J2文档编码:CM8G5Y9B2X1 HO8Z10T2C7Y8 ZX4W4V8H2J2文档编码:CM8G5Y9B2X1 HO8Z10T2C7Y8 ZX4W4V8H2J2文档编码:CM8G5Y9B2X1 HO8Z10T2C7Y8 ZX4W4V8H2J2文档编码:CM8G5Y9B2X1

33、HO8Z10T2C7Y8 ZX4W4V8H2J2文档编码:CM8G5Y9B2X1 HO8Z10T2C7Y8 ZX4W4V8H2J2文档编码:CM8G5Y9B2X1 HO8Z10T2C7Y8 ZX4W4V8H2J2文档编码:CM8G5Y9B2X1 HO8Z10T2C7Y8 ZX4W4V8H2J2文档编码:CM8G5Y9B2X1 HO8Z10T2C7Y8 ZX4W4V8H2J2文档编码:CM8G5Y9B2X1 HO8Z10T2C7Y8 ZX4W4V8H2J2文档编码:CM8G5Y9B2X1 HO8Z10T2C7Y8 ZX4W4V8H2J2文档编码:CM8G5Y9B2X1 HO8Z10T2C7Y8

34、ZX4W4V8H2J2文档编码:CM8G5Y9B2X1 HO8Z10T2C7Y8 ZX4W4V8H2J2文档编码:CM8G5Y9B2X1 HO8Z10T2C7Y8 ZX4W4V8H2J2文档编码:CM8G5Y9B2X1 HO8Z10T2C7Y8 ZX4W4V8H2J2文档编码:CM8G5Y9B2X1 HO8Z10T2C7Y8 ZX4W4V8H2J2文档编码:CM8G5Y9B2X1 HO8Z10T2C7Y8 ZX4W4V8H2J2文档编码:CM8G5Y9B2X1 HO8Z10T2C7Y8 ZX4W4V8H2J2文档编码:CM8G5Y9B2X1 HO8Z10T2C7Y8 ZX4W4V8H2J2文档

35、编码:CM8G5Y9B2X1 HO8Z10T2C7Y8 ZX4W4V8H2J2文档编码:CM8G5Y9B2X1 HO8Z10T2C7Y8 ZX4W4V8H2J2文档编码:CM8G5Y9B2X1 HO8Z10T2C7Y8 ZX4W4V8H2J2文档编码:CM8G5Y9B2X1 HO8Z10T2C7Y8 ZX4W4V8H2J2文档编码:CM8G5Y9B2X1 HO8Z10T2C7Y8 ZX4W4V8H2J2文档编码:CM8G5Y9B2X1 HO8Z10T2C7Y8 ZX4W4V8H2J2文档编码:CM8G5Y9B2X1 HO8Z10T2C7Y8 ZX4W4V8H2J2文档编码:CM8G5Y9B2X

36、1 HO8Z10T2C7Y8 ZX4W4V8H2J2文档编码:CM8G5Y9B2X1 HO8Z10T2C7Y8 ZX4W4V8H2J2文档编码:CM8G5Y9B2X1 HO8Z10T2C7Y8 ZX4W4V8H2J2文档编码:CM8G5Y9B2X1 HO8Z10T2C7Y8 ZX4W4V8H2J2文档编码:CM8G5Y9B2X1 HO8Z10T2C7Y8 ZX4W4V8H2J2文档编码:CM8G5Y9B2X1 HO8Z10T2C7Y8 ZX4W4V8H2J2文档编码:CM8G5Y9B2X1 HO8Z10T2C7Y8 ZX4W4V8H2J2文档编码:CM8G5Y9B2X1 HO8Z10T2C7Y

37、8 ZX4W4V8H2J2文档编码:CM8G5Y9B2X1 HO8Z10T2C7Y8 ZX4W4V8H2J2文档编码:CM8G5Y9B2X1 HO8Z10T2C7Y8 ZX4W4V8H2J2文档编码:CM8G5Y9B2X1 HO8Z10T2C7Y8 ZX4W4V8H2J2文档编码:CM8G5Y9B2X1 HO8Z10T2C7Y8 ZX4W4V8H2J2文档编码:CM8G5Y9B2X1 HO8Z10T2C7Y8 ZX4W4V8H2J2文档编码:CM8G5Y9B2X1 HO8Z10T2C7Y8 ZX4W4V8H2J2文档编码:CM8G5Y9B2X1 HO8Z10T2C7Y8 ZX4W4V8H2J2

38、文档编码:CM8G5Y9B2X1 HO8Z10T2C7Y8 ZX4W4V8H2J2(2)当 x 满足不等式组错误！未找到引用源。且x 为整数时，求 A 的值.24.（8 分）如图,在 ABC 中,ACB=90,B A,点 D 为边 AB 的中点,DE BC 交AC 于点 E,CF AB 交 DE 的延长线于点F.(1)求证:DE=EF;(2)连接 CD,过点 D 作 DC 的垂线交 CF 的延长线于点G,求证:B=A+DGC.第 24 题图25.（5 分）小颖家每月水费都不少于15 元，自来水公司的收费标准如下：若每户每月文档编码:CM8G5Y9B2X1 HO8Z10T2C7Y8 ZX4W4V

39、8H2J2文档编码:CM8G5Y9B2X1 HO8Z10T2C7Y8 ZX4W4V8H2J2文档编码:CM8G5Y9B2X1 HO8Z10T2C7Y8 ZX4W4V8H2J2文档编码:CM8G5Y9B2X1 HO8Z10T2C7Y8 ZX4W4V8H2J2文档编码:CM8G5Y9B2X1 HO8Z10T2C7Y8 ZX4W4V8H2J2文档编码:CM8G5Y9B2X1 HO8Z10T2C7Y8 ZX4W4V8H2J2文档编码:CM8G5Y9B2X1 HO8Z10T2C7Y8 ZX4W4V8H2J2文档编码:CM8G5Y9B2X1 HO8Z10T2C7Y8 ZX4W4V8H2J2文档编码:CM8

40、G5Y9B2X1 HO8Z10T2C7Y8 ZX4W4V8H2J2文档编码:CM8G5Y9B2X1 HO8Z10T2C7Y8 ZX4W4V8H2J2文档编码:CM8G5Y9B2X1 HO8Z10T2C7Y8 ZX4W4V8H2J2文档编码:CM8G5Y9B2X1 HO8Z10T2C7Y8 ZX4W4V8H2J2文档编码:CM8G5Y9B2X1 HO8Z10T2C7Y8 ZX4W4V8H2J2文档编码:CM8G5Y9B2X1 HO8Z10T2C7Y8 ZX4W4V8H2J2文档编码:CM8G5Y9B2X1 HO8Z10T2C7Y8 ZX4W4V8H2J2文档编码:CM8G5Y9B2X1 HO8Z

41、10T2C7Y8 ZX4W4V8H2J2文档编码:CM8G5Y9B2X1 HO8Z10T2C7Y8 ZX4W4V8H2J2文档编码:CM8G5Y9B2X1 HO8Z10T2C7Y8 ZX4W4V8H2J2文档编码:CM8G5Y9B2X1 HO8Z10T2C7Y8 ZX4W4V8H2J2文档编码:CM8G5Y9B2X1 HO8Z10T2C7Y8 ZX4W4V8H2J2文档编码:CM8G5Y9B2X1 HO8Z10T2C7Y8 ZX4W4V8H2J2文档编码:CM8G5Y9B2X1 HO8Z10T2C7Y8 ZX4W4V8H2J2文档编码:CM8G5Y9B2X1 HO8Z10T2C7Y8 ZX4W

42、4V8H2J2文档编码:CM8G5Y9B2X1 HO8Z10T2C7Y8 ZX4W4V8H2J2文档编码:CM8G5Y9B2X1 HO8Z10T2C7Y8 ZX4W4V8H2J2文档编码:CM8G5Y9B2X1 HO8Z10T2C7Y8 ZX4W4V8H2J2文档编码:CM8G5Y9B2X1 HO8Z10T2C7Y8 ZX4W4V8H2J2文档编码:CM8G5Y9B2X1 HO8Z10T2C7Y8 ZX4W4V8H2J2文档编码:CM8G5Y9B2X1 HO8Z10T2C7Y8 ZX4W4V8H2J2文档编码:CM8G5Y9B2X1 HO8Z10T2C7Y8 ZX4W4V8H2J2文档编码:C

43、M8G5Y9B2X1 HO8Z10T2C7Y8 ZX4W4V8H2J2文档编码:CM8G5Y9B2X1 HO8Z10T2C7Y8 ZX4W4V8H2J2文档编码:CM8G5Y9B2X1 HO8Z10T2C7Y8 ZX4W4V8H2J2文档编码:CM8G5Y9B2X1 HO8Z10T2C7Y8 ZX4W4V8H2J2文档编码:CM8G5Y9B2X1 HO8Z10T2C7Y8 ZX4W4V8H2J2文档编码:CM8G5Y9B2X1 HO8Z10T2C7Y8 ZX4W4V8H2J2文档编码:CM8G5Y9B2X1 HO8Z10T2C7Y8 ZX4W4V8H2J2文档编码:CM8G5Y9B2X1 HO

44、8Z10T2C7Y8 ZX4W4V8H2J2文档编码:CM8G5Y9B2X1 HO8Z10T2C7Y8 ZX4W4V8H2J2文档编码:CM8G5Y9B2X1 HO8Z10T2C7Y8 ZX4W4V8H2J2文档编码:CM8G5Y9B2X1 HO8Z10T2C7Y8 ZX4W4V8H2J2文档编码:CM8G5Y9B2X1 HO8Z10T2C7Y8 ZX4W4V8H2J2文档编码:CM8G5Y9B2X1 HO8Z10T2C7Y8 ZX4W4V8H2J2文档编码:CM8G5Y9B2X1 HO8Z10T2C7Y8 ZX4W4V8H2J2文档编码:CM8G5Y9B2X1 HO8Z10T2C7Y8 ZX

45、4W4V8H2J2文档编码:CM8G5Y9B2X1 HO8Z10T2C7Y8 ZX4W4V8H2J2文档编码:CM8G5Y9B2X1 HO8Z10T2C7Y8 ZX4W4V8H2J2文档编码:CM8G5Y9B2X1 HO8Z10T2C7Y8 ZX4W4V8H2J2用水不超过5 立方米，则每立方米收费1.8 元；若每户每月用水超过 5 立方米，则超出部分每立方米收费2 元，小颖家每月用水量至少是多少？26.（5 分）某校准备组织290 名师生进行野外考察活动，行李共有 100 件学校计划租用甲、乙两种型号的汽车共8 辆，经了解，甲种汽车每辆最多能载 40 人和 10 件行李，乙种汽车每辆最多能载

46、30 人和20 件行李 设租用甲种汽车x 辆，请你帮助学校设计所有可能的租车方案.27.（8 分）阅读下面问题：1 1?2 1?1?(2?1)(2?12?1)?3?2?2?1；?3?2;3?2(3?2)(3?2)文档编码:CM8G5Y9B2X1 HO8Z10T2C7Y8 ZX4W4V8H2J2文档编码:CM8G5Y9B2X1 HO8Z10T2C7Y8 ZX4W4V8H2J2文档编码:CM8G5Y9B2X1 HO8Z10T2C7Y8 ZX4W4V8H2J2文档编码:CM8G5Y9B2X1 HO8Z10T2C7Y8 ZX4W4V8H2J2文档编码:CM8G5Y9B2X1 HO8Z10T2C7Y8

47、ZX4W4V8H2J2文档编码:CM8G5Y9B2X1 HO8Z10T2C7Y8 ZX4W4V8H2J2文档编码:CM8G5Y9B2X1 HO8Z10T2C7Y8 ZX4W4V8H2J2文档编码:CM8G5Y9B2X1 HO8Z10T2C7Y8 ZX4W4V8H2J2文档编码:CM8G5Y9B2X1 HO8Z10T2C7Y8 ZX4W4V8H2J2文档编码:CM8G5Y9B2X1 HO8Z10T2C7Y8 ZX4W4V8H2J2文档编码:CM8G5Y9B2X1 HO8Z10T2C7Y8 ZX4W4V8H2J2文档编码:CM8G5Y9B2X1 HO8Z10T2C7Y8 ZX4W4V8H2J2文档

48、编码:CM8G5Y9B2X1 HO8Z10T2C7Y8 ZX4W4V8H2J2文档编码:CM8G5Y9B2X1 HO8Z10T2C7Y8 ZX4W4V8H2J2文档编码:CM8G5Y9B2X1 HO8Z10T2C7Y8 ZX4W4V8H2J2文档编码:CM8G5Y9B2X1 HO8Z10T2C7Y8 ZX4W4V8H2J2文档编码:CM8G5Y9B2X1 HO8Z10T2C7Y8 ZX4W4V8H2J2文档编码:CM8G5Y9B2X1 HO8Z10T2C7Y8 ZX4W4V8H2J2文档编码:CM8G5Y9B2X1 HO8Z10T2C7Y8 ZX4W4V8H2J2文档编码:CM8G5Y9B2X

49、1 HO8Z10T2C7Y8 ZX4W4V8H2J2文档编码:CM8G5Y9B2X1 HO8Z10T2C7Y8 ZX4W4V8H2J2文档编码:CM8G5Y9B2X1 HO8Z10T2C7Y8 ZX4W4V8H2J2文档编码:CM8G5Y9B2X1 HO8Z10T2C7Y8 ZX4W4V8H2J2文档编码:CM8G5Y9B2X1 HO8Z10T2C7Y8 ZX4W4V8H2J2文档编码:CM8G5Y9B2X1 HO8Z10T2C7Y8 ZX4W4V8H2J2文档编码:CM8G5Y9B2X1 HO8Z10T2C7Y8 ZX4W4V8H2J2文档编码:CM8G5Y9B2X1 HO8Z10T2C7Y

50、8 ZX4W4V8H2J2文档编码:CM8G5Y9B2X1 HO8Z10T2C7Y8 ZX4W4V8H2J2文档编码:CM8G5Y9B2X1 HO8Z10T2C7Y8 ZX4W4V8H2J2文档编码:CM8G5Y9B2X1 HO8Z10T2C7Y8 ZX4W4V8H2J2文档编码:CM8G5Y9B2X1 HO8Z10T2C7Y8 ZX4W4V8H2J2文档编码:CM8G5Y9B2X1 HO8Z10T2C7Y8 ZX4W4V8H2J2文档编码:CM8G5Y9B2X1 HO8Z10T2C7Y8 ZX4W4V8H2J2文档编码:CM8G5Y9B2X1 HO8Z10T2C7Y8 ZX4W4V8H2J2