2016年山东省枣庄市中考数学试卷.pdf

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1、第 1 页 共 11 页2016 年山东省枣庄市中考数学试卷一、选择题：本大题共 12 小题，在每题给出的四个选项中，只有一项是正确的，请把正确的选项选出来，每题选对得3 分，选错、不选或选出的答案超过一个均计零分。1以下计算，正确的选项是Aa2?a2=2a2Ba2+a2=a4C a22=a4Da+1 2=a2+1 2如图，AOB 的一边 OA 为平面镜，AOB=37 36，在 OB 上有一点 E，从E点射出一束光线经OA 上一点 D 反射，反射光线 DC 恰好与 OB 平行，则DEB的度数是A75 36 B75 12C74 36 D74 123某中学篮球队12 名队员的年龄如表：年龄 岁13

2、 14 15 16 人数1 5 4 2 关于这 12 名队员年龄的年龄，以下说法错误的选项是第 2 页 共 11 页4如图，在ABC 中，AB=AC，A=30，E为 BC 延长线上一点，ABC 与ACE 的平分线相交于点D，则D 的度数为A15B17.5 C20 D22.5 5已知关于 x 的方程 x2+3x+a=0有一个根为 2，则另一个根为A5 B1 C2 D 5 6有 3 块积木，每一块的各面都涂上不同的颜色，3 块的涂法完全相同，现把它们摆放成不同的位置 如图，请你根据图形判断涂成绿色一面的对面的颜色是A白 B红 C黄 D黑7如图，ABC 的面积为 6，AC=3，现将ABC 沿 AB

3、所在直线翻折，使点C落在直线 AD 上的 C处，P为直线 AD 上的一点，则线段 BP 的长不可能是文档编码:CG10Q2C3B4U6 HV7G2N1W10G9 ZF10X3G8S2T2文档编码:CG10Q2C3B4U6 HV7G2N1W10G9 ZF10X3G8S2T2文档编码:CG10Q2C3B4U6 HV7G2N1W10G9 ZF10X3G8S2T2文档编码:CG10Q2C3B4U6 HV7G2N1W10G9 ZF10X3G8S2T2文档编码:CG10Q2C3B4U6 HV7G2N1W10G9 ZF10X3G8S2T2文档编码:CG10Q2C3B4U6 HV7G2N1W10G9 ZF10

4、X3G8S2T2文档编码:CG10Q2C3B4U6 HV7G2N1W10G9 ZF10X3G8S2T2文档编码:CG10Q2C3B4U6 HV7G2N1W10G9 ZF10X3G8S2T2文档编码:CG10Q2C3B4U6 HV7G2N1W10G9 ZF10X3G8S2T2文档编码:CG10Q2C3B4U6 HV7G2N1W10G9 ZF10X3G8S2T2文档编码:CG10Q2C3B4U6 HV7G2N1W10G9 ZF10X3G8S2T2文档编码:CG10Q2C3B4U6 HV7G2N1W10G9 ZF10X3G8S2T2文档编码:CG10Q2C3B4U6 HV7G2N1W10G9 ZF1

5、0X3G8S2T2文档编码:CG10Q2C3B4U6 HV7G2N1W10G9 ZF10X3G8S2T2文档编码:CG10Q2C3B4U6 HV7G2N1W10G9 ZF10X3G8S2T2文档编码:CG10Q2C3B4U6 HV7G2N1W10G9 ZF10X3G8S2T2文档编码:CG10Q2C3B4U6 HV7G2N1W10G9 ZF10X3G8S2T2文档编码:CG10Q2C3B4U6 HV7G2N1W10G9 ZF10X3G8S2T2文档编码:CG10Q2C3B4U6 HV7G2N1W10G9 ZF10X3G8S2T2文档编码:CG10Q2C3B4U6 HV7G2N1W10G9 ZF

6、10X3G8S2T2文档编码:CG10Q2C3B4U6 HV7G2N1W10G9 ZF10X3G8S2T2文档编码:CG10Q2C3B4U6 HV7G2N1W10G9 ZF10X3G8S2T2文档编码:CG10Q2C3B4U6 HV7G2N1W10G9 ZF10X3G8S2T2文档编码:CG10Q2C3B4U6 HV7G2N1W10G9 ZF10X3G8S2T2文档编码:CG10Q2C3B4U6 HV7G2N1W10G9 ZF10X3G8S2T2文档编码:CG10Q2C3B4U6 HV7G2N1W10G9 ZF10X3G8S2T2文档编码:CG10Q2C3B4U6 HV7G2N1W10G9 Z

7、F10X3G8S2T2文档编码:CG10Q2C3B4U6 HV7G2N1W10G9 ZF10X3G8S2T2文档编码:CG10Q2C3B4U6 HV7G2N1W10G9 ZF10X3G8S2T2文档编码:CG10Q2C3B4U6 HV7G2N1W10G9 ZF10X3G8S2T2文档编码:CG10Q2C3B4U6 HV7G2N1W10G9 ZF10X3G8S2T2文档编码:CG10Q2C3B4U6 HV7G2N1W10G9 ZF10X3G8S2T2文档编码:CG10Q2C3B4U6 HV7G2N1W10G9 ZF10X3G8S2T2文档编码:CG10Q2C3B4U6 HV7G2N1W10G9

8、ZF10X3G8S2T2文档编码:CG10Q2C3B4U6 HV7G2N1W10G9 ZF10X3G8S2T2文档编码:CG10Q2C3B4U6 HV7G2N1W10G9 ZF10X3G8S2T2文档编码:CG10Q2C3B4U6 HV7G2N1W10G9 ZF10X3G8S2T2文档编码:CG10Q2C3B4U6 HV7G2N1W10G9 ZF10X3G8S2T2文档编码:CG10Q2C3B4U6 HV7G2N1W10G9 ZF10X3G8S2T2文档编码:CG10Q2C3B4U6 HV7G2N1W10G9 ZF10X3G8S2T2文档编码:CG10Q2C3B4U6 HV7G2N1W10G9

9、 ZF10X3G8S2T2文档编码:CG10Q2C3B4U6 HV7G2N1W10G9 ZF10X3G8S2T2文档编码:CG10Q2C3B4U6 HV7G2N1W10G9 ZF10X3G8S2T2文档编码:CG10Q2C3B4U6 HV7G2N1W10G9 ZF10X3G8S2T2文档编码:CG10Q2C3B4U6 HV7G2N1W10G9 ZF10X3G8S2T2文档编码:CG10Q2C3B4U6 HV7G2N1W10G9 ZF10X3G8S2T2文档编码:CG10Q2C3B4U6 HV7G2N1W10G9 ZF10X3G8S2T2文档编码:CG10Q2C3B4U6 HV7G2N1W10G

10、9 ZF10X3G8S2T2第 3 页 共 11 页A3 B4 C5.5 D 10 8假设关于 x 的一元二次方程 x22x+kb+1=0有两个不相等的实数根，则一次函数 y=kx+b的大致图象可能是ABCD9如图，四边形ABCD 是菱形，AC=8，DB=6，DH AB 于 H，则 DH 等于ABC5 D 4 10已知点 Pa+1，+1 关于原点的对称点在第四象限，则a 的取值范围在数轴上表示正确的选项是ABCD文档编码:CG10Q2C3B4U6 HV7G2N1W10G9 ZF10X3G8S2T2文档编码:CG10Q2C3B4U6 HV7G2N1W10G9 ZF10X3G8S2T2文档编码:C

11、G10Q2C3B4U6 HV7G2N1W10G9 ZF10X3G8S2T2文档编码:CG10Q2C3B4U6 HV7G2N1W10G9 ZF10X3G8S2T2文档编码:CG10Q2C3B4U6 HV7G2N1W10G9 ZF10X3G8S2T2文档编码:CG10Q2C3B4U6 HV7G2N1W10G9 ZF10X3G8S2T2文档编码:CG10Q2C3B4U6 HV7G2N1W10G9 ZF10X3G8S2T2文档编码:CG10Q2C3B4U6 HV7G2N1W10G9 ZF10X3G8S2T2文档编码:CG10Q2C3B4U6 HV7G2N1W10G9 ZF10X3G8S2T2文档编码:

12、CG10Q2C3B4U6 HV7G2N1W10G9 ZF10X3G8S2T2文档编码:CG10Q2C3B4U6 HV7G2N1W10G9 ZF10X3G8S2T2文档编码:CG10Q2C3B4U6 HV7G2N1W10G9 ZF10X3G8S2T2文档编码:CG10Q2C3B4U6 HV7G2N1W10G9 ZF10X3G8S2T2文档编码:CG10Q2C3B4U6 HV7G2N1W10G9 ZF10X3G8S2T2文档编码:CG10Q2C3B4U6 HV7G2N1W10G9 ZF10X3G8S2T2文档编码:CG10Q2C3B4U6 HV7G2N1W10G9 ZF10X3G8S2T2文档编码

13、:CG10Q2C3B4U6 HV7G2N1W10G9 ZF10X3G8S2T2文档编码:CG10Q2C3B4U6 HV7G2N1W10G9 ZF10X3G8S2T2文档编码:CG10Q2C3B4U6 HV7G2N1W10G9 ZF10X3G8S2T2文档编码:CG10Q2C3B4U6 HV7G2N1W10G9 ZF10X3G8S2T2文档编码:CG10Q2C3B4U6 HV7G2N1W10G9 ZF10X3G8S2T2文档编码:CG10Q2C3B4U6 HV7G2N1W10G9 ZF10X3G8S2T2文档编码:CG10Q2C3B4U6 HV7G2N1W10G9 ZF10X3G8S2T2文档编

14、码:CG10Q2C3B4U6 HV7G2N1W10G9 ZF10X3G8S2T2文档编码:CG10Q2C3B4U6 HV7G2N1W10G9 ZF10X3G8S2T2文档编码:CG10Q2C3B4U6 HV7G2N1W10G9 ZF10X3G8S2T2文档编码:CG10Q2C3B4U6 HV7G2N1W10G9 ZF10X3G8S2T2文档编码:CG10Q2C3B4U6 HV7G2N1W10G9 ZF10X3G8S2T2文档编码:CG10Q2C3B4U6 HV7G2N1W10G9 ZF10X3G8S2T2文档编码:CG10Q2C3B4U6 HV7G2N1W10G9 ZF10X3G8S2T2文档

15、编码:CG10Q2C3B4U6 HV7G2N1W10G9 ZF10X3G8S2T2文档编码:CG10Q2C3B4U6 HV7G2N1W10G9 ZF10X3G8S2T2文档编码:CG10Q2C3B4U6 HV7G2N1W10G9 ZF10X3G8S2T2文档编码:CG10Q2C3B4U6 HV7G2N1W10G9 ZF10X3G8S2T2文档编码:CG10Q2C3B4U6 HV7G2N1W10G9 ZF10X3G8S2T2文档编码:CG10Q2C3B4U6 HV7G2N1W10G9 ZF10X3G8S2T2文档编码:CG10Q2C3B4U6 HV7G2N1W10G9 ZF10X3G8S2T2文

16、档编码:CG10Q2C3B4U6 HV7G2N1W10G9 ZF10X3G8S2T2文档编码:CG10Q2C3B4U6 HV7G2N1W10G9 ZF10X3G8S2T2文档编码:CG10Q2C3B4U6 HV7G2N1W10G9 ZF10X3G8S2T2文档编码:CG10Q2C3B4U6 HV7G2N1W10G9 ZF10X3G8S2T2文档编码:CG10Q2C3B4U6 HV7G2N1W10G9 ZF10X3G8S2T2文档编码:CG10Q2C3B4U6 HV7G2N1W10G9 ZF10X3G8S2T2文档编码:CG10Q2C3B4U6 HV7G2N1W10G9 ZF10X3G8S2T2

17、文档编码:CG10Q2C3B4U6 HV7G2N1W10G9 ZF10X3G8S2T2文档编码:CG10Q2C3B4U6 HV7G2N1W10G9 ZF10X3G8S2T2文档编码:CG10Q2C3B4U6 HV7G2N1W10G9 ZF10X3G8S2T2文档编码:CG10Q2C3B4U6 HV7G2N1W10G9 ZF10X3G8S2T2第 4 页 共 11 页11如图，AB 是O 的直径，弦 CDAB，CDB=30，CD=2，则阴影部分的面积为A2 B CD12如图，已知二次函数y=ax2+bx+c a0的图象如下图，给出以下四个结论：abc=0，a+b+c 0，ab，4ac b20；其

18、中正确的结论有A1 个 B2 个 C3 个 D4 个二、填空题：本大题共6 小题，总分值 24 分，只填写最后结果，每题填对得4分。13计算：21+|2|=文档编码:CG10Q2C3B4U6 HV7G2N1W10G9 ZF10X3G8S2T2文档编码:CG10Q2C3B4U6 HV7G2N1W10G9 ZF10X3G8S2T2文档编码:CG10Q2C3B4U6 HV7G2N1W10G9 ZF10X3G8S2T2文档编码:CG10Q2C3B4U6 HV7G2N1W10G9 ZF10X3G8S2T2文档编码:CG10Q2C3B4U6 HV7G2N1W10G9 ZF10X3G8S2T2文档编码:CG

19、10Q2C3B4U6 HV7G2N1W10G9 ZF10X3G8S2T2文档编码:CG10Q2C3B4U6 HV7G2N1W10G9 ZF10X3G8S2T2文档编码:CG10Q2C3B4U6 HV7G2N1W10G9 ZF10X3G8S2T2文档编码:CG10Q2C3B4U6 HV7G2N1W10G9 ZF10X3G8S2T2文档编码:CG10Q2C3B4U6 HV7G2N1W10G9 ZF10X3G8S2T2文档编码:CG10Q2C3B4U6 HV7G2N1W10G9 ZF10X3G8S2T2文档编码:CG10Q2C3B4U6 HV7G2N1W10G9 ZF10X3G8S2T2文档编码:C

20、G10Q2C3B4U6 HV7G2N1W10G9 ZF10X3G8S2T2文档编码:CG10Q2C3B4U6 HV7G2N1W10G9 ZF10X3G8S2T2文档编码:CG10Q2C3B4U6 HV7G2N1W10G9 ZF10X3G8S2T2文档编码:CG10Q2C3B4U6 HV7G2N1W10G9 ZF10X3G8S2T2文档编码:CG10Q2C3B4U6 HV7G2N1W10G9 ZF10X3G8S2T2文档编码:CG10Q2C3B4U6 HV7G2N1W10G9 ZF10X3G8S2T2文档编码:CG10Q2C3B4U6 HV7G2N1W10G9 ZF10X3G8S2T2文档编码:

21、CG10Q2C3B4U6 HV7G2N1W10G9 ZF10X3G8S2T2文档编码:CG10Q2C3B4U6 HV7G2N1W10G9 ZF10X3G8S2T2文档编码:CG10Q2C3B4U6 HV7G2N1W10G9 ZF10X3G8S2T2文档编码:CG10Q2C3B4U6 HV7G2N1W10G9 ZF10X3G8S2T2文档编码:CG10Q2C3B4U6 HV7G2N1W10G9 ZF10X3G8S2T2文档编码:CG10Q2C3B4U6 HV7G2N1W10G9 ZF10X3G8S2T2文档编码:CG10Q2C3B4U6 HV7G2N1W10G9 ZF10X3G8S2T2文档编码

22、:CG10Q2C3B4U6 HV7G2N1W10G9 ZF10X3G8S2T2文档编码:CG10Q2C3B4U6 HV7G2N1W10G9 ZF10X3G8S2T2文档编码:CG10Q2C3B4U6 HV7G2N1W10G9 ZF10X3G8S2T2文档编码:CG10Q2C3B4U6 HV7G2N1W10G9 ZF10X3G8S2T2文档编码:CG10Q2C3B4U6 HV7G2N1W10G9 ZF10X3G8S2T2文档编码:CG10Q2C3B4U6 HV7G2N1W10G9 ZF10X3G8S2T2文档编码:CG10Q2C3B4U6 HV7G2N1W10G9 ZF10X3G8S2T2文档编

23、码:CG10Q2C3B4U6 HV7G2N1W10G9 ZF10X3G8S2T2文档编码:CG10Q2C3B4U6 HV7G2N1W10G9 ZF10X3G8S2T2文档编码:CG10Q2C3B4U6 HV7G2N1W10G9 ZF10X3G8S2T2文档编码:CG10Q2C3B4U6 HV7G2N1W10G9 ZF10X3G8S2T2文档编码:CG10Q2C3B4U6 HV7G2N1W10G9 ZF10X3G8S2T2文档编码:CG10Q2C3B4U6 HV7G2N1W10G9 ZF10X3G8S2T2文档编码:CG10Q2C3B4U6 HV7G2N1W10G9 ZF10X3G8S2T2文档

24、编码:CG10Q2C3B4U6 HV7G2N1W10G9 ZF10X3G8S2T2文档编码:CG10Q2C3B4U6 HV7G2N1W10G9 ZF10X3G8S2T2文档编码:CG10Q2C3B4U6 HV7G2N1W10G9 ZF10X3G8S2T2文档编码:CG10Q2C3B4U6 HV7G2N1W10G9 ZF10X3G8S2T2文档编码:CG10Q2C3B4U6 HV7G2N1W10G9 ZF10X3G8S2T2文档编码:CG10Q2C3B4U6 HV7G2N1W10G9 ZF10X3G8S2T2文档编码:CG10Q2C3B4U6 HV7G2N1W10G9 ZF10X3G8S2T2文

25、档编码:CG10Q2C3B4U6 HV7G2N1W10G9 ZF10X3G8S2T2第 5 页 共 11 页14如图，是矗立在高速公路水平地面上的交通警示牌，经测量得到如下数据：AM=4米，AB=8 米，MAD=45，MBC=30，则警示牌的高 CD 为米结果精确到 0.1 米，参考数据：=1.41，15 如图，在半径为 3 的O 中，直径 AB 与弦 CD 相交于点 E，连接 AC，BD，假设 AC=2，则 tanD=16如图，点 A 的坐标为 4，0，直线 y=x+n 与坐标轴交于点B、C，连接 AC，如果ACD=90，则n 的值为17如图，在ABC 中，C=90，AC=BC=，将 ABC

26、 绕点 A 顺时针方向旋转 60到AB C的位置，连接C B，则 C B=文档编码:CG10Q2C3B4U6 HV7G2N1W10G9 ZF10X3G8S2T2文档编码:CG10Q2C3B4U6 HV7G2N1W10G9 ZF10X3G8S2T2文档编码:CG10Q2C3B4U6 HV7G2N1W10G9 ZF10X3G8S2T2文档编码:CG10Q2C3B4U6 HV7G2N1W10G9 ZF10X3G8S2T2文档编码:CG10Q2C3B4U6 HV7G2N1W10G9 ZF10X3G8S2T2文档编码:CG10Q2C3B4U6 HV7G2N1W10G9 ZF10X3G8S2T2文档编码:

27、CG10Q2C3B4U6 HV7G2N1W10G9 ZF10X3G8S2T2文档编码:CG10Q2C3B4U6 HV7G2N1W10G9 ZF10X3G8S2T2文档编码:CG10Q2C3B4U6 HV7G2N1W10G9 ZF10X3G8S2T2文档编码:CG10Q2C3B4U6 HV7G2N1W10G9 ZF10X3G8S2T2文档编码:CG10Q2C3B4U6 HV7G2N1W10G9 ZF10X3G8S2T2文档编码:CG10Q2C3B4U6 HV7G2N1W10G9 ZF10X3G8S2T2文档编码:CG10Q2C3B4U6 HV7G2N1W10G9 ZF10X3G8S2T2文档编码

28、:CG10Q2C3B4U6 HV7G2N1W10G9 ZF10X3G8S2T2文档编码:CG10Q2C3B4U6 HV7G2N1W10G9 ZF10X3G8S2T2文档编码:CG10Q2C3B4U6 HV7G2N1W10G9 ZF10X3G8S2T2文档编码:CG10Q2C3B4U6 HV7G2N1W10G9 ZF10X3G8S2T2文档编码:CG10Q2C3B4U6 HV7G2N1W10G9 ZF10X3G8S2T2文档编码:CG10Q2C3B4U6 HV7G2N1W10G9 ZF10X3G8S2T2文档编码:CG10Q2C3B4U6 HV7G2N1W10G9 ZF10X3G8S2T2文档编

29、码:CG10Q2C3B4U6 HV7G2N1W10G9 ZF10X3G8S2T2文档编码:CG10Q2C3B4U6 HV7G2N1W10G9 ZF10X3G8S2T2文档编码:CG10Q2C3B4U6 HV7G2N1W10G9 ZF10X3G8S2T2文档编码:CG10Q2C3B4U6 HV7G2N1W10G9 ZF10X3G8S2T2文档编码:CG10Q2C3B4U6 HV7G2N1W10G9 ZF10X3G8S2T2文档编码:CG10Q2C3B4U6 HV7G2N1W10G9 ZF10X3G8S2T2文档编码:CG10Q2C3B4U6 HV7G2N1W10G9 ZF10X3G8S2T2文档

30、编码:CG10Q2C3B4U6 HV7G2N1W10G9 ZF10X3G8S2T2文档编码:CG10Q2C3B4U6 HV7G2N1W10G9 ZF10X3G8S2T2文档编码:CG10Q2C3B4U6 HV7G2N1W10G9 ZF10X3G8S2T2文档编码:CG10Q2C3B4U6 HV7G2N1W10G9 ZF10X3G8S2T2文档编码:CG10Q2C3B4U6 HV7G2N1W10G9 ZF10X3G8S2T2文档编码:CG10Q2C3B4U6 HV7G2N1W10G9 ZF10X3G8S2T2文档编码:CG10Q2C3B4U6 HV7G2N1W10G9 ZF10X3G8S2T2文

31、档编码:CG10Q2C3B4U6 HV7G2N1W10G9 ZF10X3G8S2T2文档编码:CG10Q2C3B4U6 HV7G2N1W10G9 ZF10X3G8S2T2文档编码:CG10Q2C3B4U6 HV7G2N1W10G9 ZF10X3G8S2T2文档编码:CG10Q2C3B4U6 HV7G2N1W10G9 ZF10X3G8S2T2文档编码:CG10Q2C3B4U6 HV7G2N1W10G9 ZF10X3G8S2T2文档编码:CG10Q2C3B4U6 HV7G2N1W10G9 ZF10X3G8S2T2文档编码:CG10Q2C3B4U6 HV7G2N1W10G9 ZF10X3G8S2T2

32、文档编码:CG10Q2C3B4U6 HV7G2N1W10G9 ZF10X3G8S2T2文档编码:CG10Q2C3B4U6 HV7G2N1W10G9 ZF10X3G8S2T2文档编码:CG10Q2C3B4U6 HV7G2N1W10G9 ZF10X3G8S2T2文档编码:CG10Q2C3B4U6 HV7G2N1W10G9 ZF10X3G8S2T2文档编码:CG10Q2C3B4U6 HV7G2N1W10G9 ZF10X3G8S2T2文档编码:CG10Q2C3B4U6 HV7G2N1W10G9 ZF10X3G8S2T2文档编码:CG10Q2C3B4U6 HV7G2N1W10G9 ZF10X3G8S2T

33、2第 6 页 共 11 页18一列数 a1，a2，a3，满足条件：a1=，an=n 2，且 n 为整数，则 a2016=三、解答题：本大题共7 小题，总分值 60 分，解答时，要写出必要的文字说明、证明过程或演算步骤。19先化简，再求值：，其中 a 是方程 2x2+x 3=0的解20Pn表示 n 边形的对角线的交点个数指落在其内部的交点，如果这些交点都不重合，那么Pn与 n 的关系式是：Pn=?n2an+b 其中 a，b 是常数，n 41通过画图，可得：四边形时，P4=；五边形时，P5=2请根据四边形和五边形对角线交点的个数，结合关系式，求a，b 的值文档编码:CG10Q2C3B4U6 HV7

34、G2N1W10G9 ZF10X3G8S2T2文档编码:CG10Q2C3B4U6 HV7G2N1W10G9 ZF10X3G8S2T2文档编码:CG10Q2C3B4U6 HV7G2N1W10G9 ZF10X3G8S2T2文档编码:CG10Q2C3B4U6 HV7G2N1W10G9 ZF10X3G8S2T2文档编码:CG10Q2C3B4U6 HV7G2N1W10G9 ZF10X3G8S2T2文档编码:CG10Q2C3B4U6 HV7G2N1W10G9 ZF10X3G8S2T2文档编码:CG10Q2C3B4U6 HV7G2N1W10G9 ZF10X3G8S2T2文档编码:CG10Q2C3B4U6 HV

35、7G2N1W10G9 ZF10X3G8S2T2文档编码:CG10Q2C3B4U6 HV7G2N1W10G9 ZF10X3G8S2T2文档编码:CG10Q2C3B4U6 HV7G2N1W10G9 ZF10X3G8S2T2文档编码:CG10Q2C3B4U6 HV7G2N1W10G9 ZF10X3G8S2T2文档编码:CG10Q2C3B4U6 HV7G2N1W10G9 ZF10X3G8S2T2文档编码:CG10Q2C3B4U6 HV7G2N1W10G9 ZF10X3G8S2T2文档编码:CG10Q2C3B4U6 HV7G2N1W10G9 ZF10X3G8S2T2文档编码:CG10Q2C3B4U6 H

36、V7G2N1W10G9 ZF10X3G8S2T2文档编码:CG10Q2C3B4U6 HV7G2N1W10G9 ZF10X3G8S2T2文档编码:CG10Q2C3B4U6 HV7G2N1W10G9 ZF10X3G8S2T2文档编码:CG10Q2C3B4U6 HV7G2N1W10G9 ZF10X3G8S2T2文档编码:CG10Q2C3B4U6 HV7G2N1W10G9 ZF10X3G8S2T2文档编码:CG10Q2C3B4U6 HV7G2N1W10G9 ZF10X3G8S2T2文档编码:CG10Q2C3B4U6 HV7G2N1W10G9 ZF10X3G8S2T2文档编码:CG10Q2C3B4U6

37、HV7G2N1W10G9 ZF10X3G8S2T2文档编码:CG10Q2C3B4U6 HV7G2N1W10G9 ZF10X3G8S2T2文档编码:CG10Q2C3B4U6 HV7G2N1W10G9 ZF10X3G8S2T2文档编码:CG10Q2C3B4U6 HV7G2N1W10G9 ZF10X3G8S2T2文档编码:CG10Q2C3B4U6 HV7G2N1W10G9 ZF10X3G8S2T2文档编码:CG10Q2C3B4U6 HV7G2N1W10G9 ZF10X3G8S2T2文档编码:CG10Q2C3B4U6 HV7G2N1W10G9 ZF10X3G8S2T2文档编码:CG10Q2C3B4U6

38、 HV7G2N1W10G9 ZF10X3G8S2T2文档编码:CG10Q2C3B4U6 HV7G2N1W10G9 ZF10X3G8S2T2文档编码:CG10Q2C3B4U6 HV7G2N1W10G9 ZF10X3G8S2T2文档编码:CG10Q2C3B4U6 HV7G2N1W10G9 ZF10X3G8S2T2文档编码:CG10Q2C3B4U6 HV7G2N1W10G9 ZF10X3G8S2T2文档编码:CG10Q2C3B4U6 HV7G2N1W10G9 ZF10X3G8S2T2文档编码:CG10Q2C3B4U6 HV7G2N1W10G9 ZF10X3G8S2T2文档编码:CG10Q2C3B4U

39、6 HV7G2N1W10G9 ZF10X3G8S2T2文档编码:CG10Q2C3B4U6 HV7G2N1W10G9 ZF10X3G8S2T2文档编码:CG10Q2C3B4U6 HV7G2N1W10G9 ZF10X3G8S2T2文档编码:CG10Q2C3B4U6 HV7G2N1W10G9 ZF10X3G8S2T2文档编码:CG10Q2C3B4U6 HV7G2N1W10G9 ZF10X3G8S2T2文档编码:CG10Q2C3B4U6 HV7G2N1W10G9 ZF10X3G8S2T2文档编码:CG10Q2C3B4U6 HV7G2N1W10G9 ZF10X3G8S2T2文档编码:CG10Q2C3B4

40、U6 HV7G2N1W10G9 ZF10X3G8S2T2文档编码:CG10Q2C3B4U6 HV7G2N1W10G9 ZF10X3G8S2T2文档编码:CG10Q2C3B4U6 HV7G2N1W10G9 ZF10X3G8S2T2文档编码:CG10Q2C3B4U6 HV7G2N1W10G9 ZF10X3G8S2T2文档编码:CG10Q2C3B4U6 HV7G2N1W10G9 ZF10X3G8S2T2文档编码:CG10Q2C3B4U6 HV7G2N1W10G9 ZF10X3G8S2T2第 7 页 共 11 页21小军同学在学校组织的社会实践活动中，负责了解他所居住的小区450 户具名的生活用水情况

41、，他从中随机调查了50 户居民的月均用水量单位：t，并绘制了样本的频数分布表：月均用水量2 x3 3 x4 4 x5 5 x6 6x7 7 x8 8x9 频数2 12 10 3 2 百分比4%24%30%20%6%4%1 请根据题中已有的信息补全频数分布：，；2如果家庭月均用水量在5x8 范围内为中等用水量家庭，请你通过样本估计总体中的中等用水量家庭大约有多少户？3记月均用水量在2x3 范围内的两户为 a1，a2，在 7x8 范围内的 3户 b1、b2、b3，从这 5 户家庭中任意抽取2 户，试完成下表，并求出抽取出的2 户家庭来自不同范围的概率a1a2b1b2b3a1a2文档编码:CG10Q

42、2C3B4U6 HV7G2N1W10G9 ZF10X3G8S2T2文档编码:CG10Q2C3B4U6 HV7G2N1W10G9 ZF10X3G8S2T2文档编码:CG10Q2C3B4U6 HV7G2N1W10G9 ZF10X3G8S2T2文档编码:CG10Q2C3B4U6 HV7G2N1W10G9 ZF10X3G8S2T2文档编码:CG10Q2C3B4U6 HV7G2N1W10G9 ZF10X3G8S2T2文档编码:CG10Q2C3B4U6 HV7G2N1W10G9 ZF10X3G8S2T2文档编码:CG10Q2C3B4U6 HV7G2N1W10G9 ZF10X3G8S2T2文档编码:CG10

43、Q2C3B4U6 HV7G2N1W10G9 ZF10X3G8S2T2文档编码:CG10Q2C3B4U6 HV7G2N1W10G9 ZF10X3G8S2T2文档编码:CG10Q2C3B4U6 HV7G2N1W10G9 ZF10X3G8S2T2文档编码:CG10Q2C3B4U6 HV7G2N1W10G9 ZF10X3G8S2T2文档编码:CG10Q2C3B4U6 HV7G2N1W10G9 ZF10X3G8S2T2文档编码:CG10Q2C3B4U6 HV7G2N1W10G9 ZF10X3G8S2T2文档编码:CG10Q2C3B4U6 HV7G2N1W10G9 ZF10X3G8S2T2文档编码:CG1

44、0Q2C3B4U6 HV7G2N1W10G9 ZF10X3G8S2T2文档编码:CG10Q2C3B4U6 HV7G2N1W10G9 ZF10X3G8S2T2文档编码:CG10Q2C3B4U6 HV7G2N1W10G9 ZF10X3G8S2T2文档编码:CG10Q2C3B4U6 HV7G2N1W10G9 ZF10X3G8S2T2文档编码:CG10Q2C3B4U6 HV7G2N1W10G9 ZF10X3G8S2T2文档编码:CG10Q2C3B4U6 HV7G2N1W10G9 ZF10X3G8S2T2文档编码:CG10Q2C3B4U6 HV7G2N1W10G9 ZF10X3G8S2T2文档编码:CG

45、10Q2C3B4U6 HV7G2N1W10G9 ZF10X3G8S2T2文档编码:CG10Q2C3B4U6 HV7G2N1W10G9 ZF10X3G8S2T2文档编码:CG10Q2C3B4U6 HV7G2N1W10G9 ZF10X3G8S2T2文档编码:CG10Q2C3B4U6 HV7G2N1W10G9 ZF10X3G8S2T2文档编码:CG10Q2C3B4U6 HV7G2N1W10G9 ZF10X3G8S2T2文档编码:CG10Q2C3B4U6 HV7G2N1W10G9 ZF10X3G8S2T2文档编码:CG10Q2C3B4U6 HV7G2N1W10G9 ZF10X3G8S2T2文档编码:C

46、G10Q2C3B4U6 HV7G2N1W10G9 ZF10X3G8S2T2文档编码:CG10Q2C3B4U6 HV7G2N1W10G9 ZF10X3G8S2T2文档编码:CG10Q2C3B4U6 HV7G2N1W10G9 ZF10X3G8S2T2文档编码:CG10Q2C3B4U6 HV7G2N1W10G9 ZF10X3G8S2T2文档编码:CG10Q2C3B4U6 HV7G2N1W10G9 ZF10X3G8S2T2文档编码:CG10Q2C3B4U6 HV7G2N1W10G9 ZF10X3G8S2T2文档编码:CG10Q2C3B4U6 HV7G2N1W10G9 ZF10X3G8S2T2文档编码:

47、CG10Q2C3B4U6 HV7G2N1W10G9 ZF10X3G8S2T2文档编码:CG10Q2C3B4U6 HV7G2N1W10G9 ZF10X3G8S2T2文档编码:CG10Q2C3B4U6 HV7G2N1W10G9 ZF10X3G8S2T2文档编码:CG10Q2C3B4U6 HV7G2N1W10G9 ZF10X3G8S2T2文档编码:CG10Q2C3B4U6 HV7G2N1W10G9 ZF10X3G8S2T2文档编码:CG10Q2C3B4U6 HV7G2N1W10G9 ZF10X3G8S2T2文档编码:CG10Q2C3B4U6 HV7G2N1W10G9 ZF10X3G8S2T2文档编码

48、:CG10Q2C3B4U6 HV7G2N1W10G9 ZF10X3G8S2T2文档编码:CG10Q2C3B4U6 HV7G2N1W10G9 ZF10X3G8S2T2文档编码:CG10Q2C3B4U6 HV7G2N1W10G9 ZF10X3G8S2T2文档编码:CG10Q2C3B4U6 HV7G2N1W10G9 ZF10X3G8S2T2文档编码:CG10Q2C3B4U6 HV7G2N1W10G9 ZF10X3G8S2T2文档编码:CG10Q2C3B4U6 HV7G2N1W10G9 ZF10X3G8S2T2第 8 页 共 11 页b1b2b322如图，在矩形 OABC 中，OA=3，OC=2，F

49、是 AB 上的一个动点 F 不与A，B 重合，过点 F 的反比例函数 y=k0的图象与 BC 边交于点 E1当 F 为 AB 的中点时，求该函数的解析式；2当 k 为何值时，EFA的面积最大，最大面积是多少？文档编码:CG10Q2C3B4U6 HV7G2N1W10G9 ZF10X3G8S2T2文档编码:CG10Q2C3B4U6 HV7G2N1W10G9 ZF10X3G8S2T2文档编码:CG10Q2C3B4U6 HV7G2N1W10G9 ZF10X3G8S2T2文档编码:CG10Q2C3B4U6 HV7G2N1W10G9 ZF10X3G8S2T2文档编码:CG10Q2C3B4U6 HV7G2N

50、1W10G9 ZF10X3G8S2T2文档编码:CG10Q2C3B4U6 HV7G2N1W10G9 ZF10X3G8S2T2文档编码:CG10Q2C3B4U6 HV7G2N1W10G9 ZF10X3G8S2T2文档编码:CG10Q2C3B4U6 HV7G2N1W10G9 ZF10X3G8S2T2文档编码:CG10Q2C3B4U6 HV7G2N1W10G9 ZF10X3G8S2T2文档编码:CG10Q2C3B4U6 HV7G2N1W10G9 ZF10X3G8S2T2文档编码:CG10Q2C3B4U6 HV7G2N1W10G9 ZF10X3G8S2T2文档编码:CG10Q2C3B4U6 HV7G2