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2014年陕西省中考数学试题及答案.pdf

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1、2014 年陕西中考数学试卷第卷选择题共 30 分一选择题共10 小题，每题3 分，计 30 分.每题只有一个选项是符合题意的1.4 的算术平方根是A 2 B.2 C.21 D.212.下面是一个正方体被截去一个直三棱柱得到的几何体，则该几何体的左视图是3.假设点 A-2，m 在正比例函数y=21x 的图像上，则m的值是A41 B.41 C.1 D.-1 4.小军旅行箱的密码是一个六位数，由于他忘记了密码的末位数字，则小军能一次打开该旅行箱的概率是A101B.91 C.61 D.515.把不等式组的解集表示在数轴上，正确的选项是6某区 10 名学生参加市级汉字听写大赛，他们得分情况如下表：人数

2、3 4 2 1 得分80 85 90 95 那么这 10 名学生所得分数的平均数和众数分别是A.80 和 82.5 B.85.5和 85 C.85和 85 D.85.5和 80 7.如图，ABCD，A=45，C=28，则 AEC的大小为 A.17 B.62 C.63 D.738.假设 x=-2 是关于 x 的一元二次方程02522aaxx的一个根，则a 的值为A.1 或 4 B.-1或-4 C.-1或 4 D.1或-4 9.如图，在菱形ABCD 中，AB=5，对角线 AC=6，假设过点A作 AE BC，垂足为 E，则 AE的长为A4 B.512 C.524 D.5 10.二次函数)0(2acb

3、xaxy的图像如下图，则以下结论中正确的选项是Ac-1 B.b0 C.2a+b0 D.92a+c3b 第卷非选择题共 90 分二填空题共6 小题，每题3 分，计 18 分11.计算：2)31(=_.12.因式分解：m(x-y)+n(x-y)=_.13.请从以下两个小题中任选一个作答，假设多项选择，则按所选做的第一题计分.A.一个正五边形的对称轴共有_条.B.用科学计算器计算：56tan331_ _.(结果精确到0.01)14.如图，在正方形ABCD 中，AD=1，将 ABD绕点 B顺时针旋转45得到 ABD,此时 AD与CD交于点 E，则 DE的长度为 _.文档编码:CF4N2R3R9B3 H

4、Y2B10C6D8Y6 ZE9U5S4M2C5文档编码:CF4N2R3R9B3 HY2B10C6D8Y6 ZE9U5S4M2C5文档编码:CF4N2R3R9B3 HY2B10C6D8Y6 ZE9U5S4M2C5文档编码:CF4N2R3R9B3 HY2B10C6D8Y6 ZE9U5S4M2C5文档编码:CF4N2R3R9B3 HY2B10C6D8Y6 ZE9U5S4M2C5文档编码:CF4N2R3R9B3 HY2B10C6D8Y6 ZE9U5S4M2C5文档编码:CF4N2R3R9B3 HY2B10C6D8Y6 ZE9U5S4M2C5文档编码:CF4N2R3R9B3 HY2B10C6D8Y6 Z

5、E9U5S4M2C5文档编码:CF4N2R3R9B3 HY2B10C6D8Y6 ZE9U5S4M2C5文档编码:CF4N2R3R9B3 HY2B10C6D8Y6 ZE9U5S4M2C5文档编码:CF4N2R3R9B3 HY2B10C6D8Y6 ZE9U5S4M2C5文档编码:CF4N2R3R9B3 HY2B10C6D8Y6 ZE9U5S4M2C5文档编码:CF4N2R3R9B3 HY2B10C6D8Y6 ZE9U5S4M2C5文档编码:CF4N2R3R9B3 HY2B10C6D8Y6 ZE9U5S4M2C5文档编码:CF4N2R3R9B3 HY2B10C6D8Y6 ZE9U5S4M2C5文档编

6、码:CF4N2R3R9B3 HY2B10C6D8Y6 ZE9U5S4M2C5文档编码:CF4N2R3R9B3 HY2B10C6D8Y6 ZE9U5S4M2C5文档编码:CF4N2R3R9B3 HY2B10C6D8Y6 ZE9U5S4M2C5文档编码:CF4N2R3R9B3 HY2B10C6D8Y6 ZE9U5S4M2C5文档编码:CF4N2R3R9B3 HY2B10C6D8Y6 ZE9U5S4M2C5文档编码:CF4N2R3R9B3 HY2B10C6D8Y6 ZE9U5S4M2C5文档编码:CF4N2R3R9B3 HY2B10C6D8Y6 ZE9U5S4M2C5文档编码:CF4N2R3R9B3

7、 HY2B10C6D8Y6 ZE9U5S4M2C5文档编码:CF4N2R3R9B3 HY2B10C6D8Y6 ZE9U5S4M2C5文档编码:CF4N2R3R9B3 HY2B10C6D8Y6 ZE9U5S4M2C5文档编码:CF4N2R3R9B3 HY2B10C6D8Y6 ZE9U5S4M2C5文档编码:CF4N2R3R9B3 HY2B10C6D8Y6 ZE9U5S4M2C5文档编码:CF4N2R3R9B3 HY2B10C6D8Y6 ZE9U5S4M2C5文档编码:CF4N2R3R9B3 HY2B10C6D8Y6 ZE9U5S4M2C5文档编码:CF4N2R3R9B3 HY2B10C6D8Y6

8、 ZE9U5S4M2C5文档编码:CF4N2R3R9B3 HY2B10C6D8Y6 ZE9U5S4M2C5文档编码:CF4N2R3R9B3 HY2B10C6D8Y6 ZE9U5S4M2C5文档编码:CF4N2R3R9B3 HY2B10C6D8Y6 ZE9U5S4M2C5文档编码:CF4N2R3R9B3 HY2B10C6D8Y6 ZE9U5S4M2C5文档编码:CF4N2R3R9B3 HY2B10C6D8Y6 ZE9U5S4M2C5文档编码:CF4N2R3R9B3 HY2B10C6D8Y6 ZE9U5S4M2C5文档编码:CF4N2R3R9B3 HY2B10C6D8Y6 ZE9U5S4M2C5文

9、档编码:CF4N2R3R9B3 HY2B10C6D8Y6 ZE9U5S4M2C5文档编码:CF4N2R3R9B3 HY2B10C6D8Y6 ZE9U5S4M2C5文档编码:CF4N2R3R9B3 HY2B10C6D8Y6 ZE9U5S4M2C5文档编码:CF4N2R3R9B3 HY2B10C6D8Y6 ZE9U5S4M2C5文档编码:CF4N2R3R9B3 HY2B10C6D8Y6 ZE9U5S4M2C5文档编码:CF4N2R3R9B3 HY2B10C6D8Y6 ZE9U5S4M2C5文档编码:CF4N2R3R9B3 HY2B10C6D8Y6 ZE9U5S4M2C5文档编码:CF4N2R3R9

10、B3 HY2B10C6D8Y6 ZE9U5S4M2C5文档编码:CF4N2R3R9B3 HY2B10C6D8Y6 ZE9U5S4M2C5文档编码:CF4N2R3R9B3 HY2B10C6D8Y6 ZE9U5S4M2C5文档编码:CF4N2R3R9B3 HY2B10C6D8Y6 ZE9U5S4M2C515.已知),(111yxP,),(222yxP是同一个反比例函数图像上的两点.假设212xx,且211112yy，则这个反比例函数的表达式为_.16.如图，O的半径是2，直线l与 O相交于 A、B两点，M、N是 O上两个动点，且在直线l的异侧，假设 AMB=45，则四边形MANB 面积的最大值是_

11、.三解答题共9 小题，计72 分.解答应写出过程17.此题总分值5 分先化简，再求值：11222xxxx，其中 x=21.18.此题总分值6 分如图，在Rt ABC中，ABC=90，点 D在边 AB上，使 DB=BC，过点 D 作 EFAC，分别交AC于点 E、CB的延长线于点F.求证：AB=BF.文档编码:CF4N2R3R9B3 HY2B10C6D8Y6 ZE9U5S4M2C5文档编码:CF4N2R3R9B3 HY2B10C6D8Y6 ZE9U5S4M2C5文档编码:CF4N2R3R9B3 HY2B10C6D8Y6 ZE9U5S4M2C5文档编码:CF4N2R3R9B3 HY2B10C6D8

12、Y6 ZE9U5S4M2C5文档编码:CF4N2R3R9B3 HY2B10C6D8Y6 ZE9U5S4M2C5文档编码:CF4N2R3R9B3 HY2B10C6D8Y6 ZE9U5S4M2C5文档编码:CF4N2R3R9B3 HY2B10C6D8Y6 ZE9U5S4M2C5文档编码:CF4N2R3R9B3 HY2B10C6D8Y6 ZE9U5S4M2C5文档编码:CF4N2R3R9B3 HY2B10C6D8Y6 ZE9U5S4M2C5文档编码:CF4N2R3R9B3 HY2B10C6D8Y6 ZE9U5S4M2C5文档编码:CF4N2R3R9B3 HY2B10C6D8Y6 ZE9U5S4M2C

13、5文档编码:CF4N2R3R9B3 HY2B10C6D8Y6 ZE9U5S4M2C5文档编码:CF4N2R3R9B3 HY2B10C6D8Y6 ZE9U5S4M2C5文档编码:CF4N2R3R9B3 HY2B10C6D8Y6 ZE9U5S4M2C5文档编码:CF4N2R3R9B3 HY2B10C6D8Y6 ZE9U5S4M2C5文档编码:CF4N2R3R9B3 HY2B10C6D8Y6 ZE9U5S4M2C5文档编码:CF4N2R3R9B3 HY2B10C6D8Y6 ZE9U5S4M2C5文档编码:CF4N2R3R9B3 HY2B10C6D8Y6 ZE9U5S4M2C5文档编码:CF4N2R3

14、R9B3 HY2B10C6D8Y6 ZE9U5S4M2C5文档编码:CF4N2R3R9B3 HY2B10C6D8Y6 ZE9U5S4M2C5文档编码:CF4N2R3R9B3 HY2B10C6D8Y6 ZE9U5S4M2C5文档编码:CF4N2R3R9B3 HY2B10C6D8Y6 ZE9U5S4M2C5文档编码:CF4N2R3R9B3 HY2B10C6D8Y6 ZE9U5S4M2C5文档编码:CF4N2R3R9B3 HY2B10C6D8Y6 ZE9U5S4M2C5文档编码:CF4N2R3R9B3 HY2B10C6D8Y6 ZE9U5S4M2C5文档编码:CF4N2R3R9B3 HY2B10C6

15、D8Y6 ZE9U5S4M2C5文档编码:CF4N2R3R9B3 HY2B10C6D8Y6 ZE9U5S4M2C5文档编码:CF4N2R3R9B3 HY2B10C6D8Y6 ZE9U5S4M2C5文档编码:CF4N2R3R9B3 HY2B10C6D8Y6 ZE9U5S4M2C5文档编码:CF4N2R3R9B3 HY2B10C6D8Y6 ZE9U5S4M2C5文档编码:CF4N2R3R9B3 HY2B10C6D8Y6 ZE9U5S4M2C5文档编码:CF4N2R3R9B3 HY2B10C6D8Y6 ZE9U5S4M2C5文档编码:CF4N2R3R9B3 HY2B10C6D8Y6 ZE9U5S4M

16、2C5文档编码:CF4N2R3R9B3 HY2B10C6D8Y6 ZE9U5S4M2C5文档编码:CF4N2R3R9B3 HY2B10C6D8Y6 ZE9U5S4M2C5文档编码:CF4N2R3R9B3 HY2B10C6D8Y6 ZE9U5S4M2C5文档编码:CF4N2R3R9B3 HY2B10C6D8Y6 ZE9U5S4M2C5文档编码:CF4N2R3R9B3 HY2B10C6D8Y6 ZE9U5S4M2C5文档编码:CF4N2R3R9B3 HY2B10C6D8Y6 ZE9U5S4M2C5文档编码:CF4N2R3R9B3 HY2B10C6D8Y6 ZE9U5S4M2C5文档编码:CF4N2

17、R3R9B3 HY2B10C6D8Y6 ZE9U5S4M2C5文档编码:CF4N2R3R9B3 HY2B10C6D8Y6 ZE9U5S4M2C5文档编码:CF4N2R3R9B3 HY2B10C6D8Y6 ZE9U5S4M2C5文档编码:CF4N2R3R9B3 HY2B10C6D8Y6 ZE9U5S4M2C5文档编码:CF4N2R3R9B3 HY2B10C6D8Y6 ZE9U5S4M2C5文档编码:CF4N2R3R9B3 HY2B10C6D8Y6 ZE9U5S4M2C5文档编码:CF4N2R3R9B3 HY2B10C6D8Y6 ZE9U5S4M2C5文档编码:CF4N2R3R9B3 HY2B10

18、C6D8Y6 ZE9U5S4M2C519.此题总分值7 分根据 2013 年陕西省国民经济和社会发展统计公报提供的大气污染物A二氧化硫，B氮氧化物，C化学需氧量，D 氨氮排放量的相关数据，我们将这些数据用条形统计图和扇形统计图统计如下：根据以上统计图提供的信息，解答以下问题：1补全上面的条形统计图和扇形统计图；2国务院总理李克强在十二届全国人大二次会议的政府工作报告中强调，建设美好家园、加大节能减排力度，今年二氧化硫、化学需氧量的排放量在去年基础上都要减少2.按此指示精神，求出陕西省2014 年二氧化硫、化学需氧量的排放量共需减少约多少万吨？结果精确到0.1 20.此题总分值8 分某一天，小明

19、和小亮来到一河边，想用遮阳帽和皮尺测量这条河的大致宽度，两人在确保无安全隐患的情况下，先在河岸边选择了一点B点 B 与河对岸岸边上的一棵树的底部点D 所确定的直线垂直于河岸.小明在B 点面向树的方向站好，调整帽檐，使视线通过帽檐正好落在树的底部点D 处，如下图，这时小亮测得小明眼睛距地面的距离AB=1.7 米；小明站在原地转动180后蹲下，并保持原来的观察姿态除身体重心下移外，其他姿态均不变，这时视线通过帽檐落在了DB延长线上的点E处，此时小亮测得BE=9.6 米，小明的眼睛距地面的距离CB=1.2 米.根据以上测量过程及测量数据，请你求出河宽BD是多少米？21.此题总分值8 分小李从西安通

20、过某快递公司给在南昌的外婆寄一盒樱桃，快递时，他了解到这个公司除收取每次 6 元的包装费外，樱桃不超过1kg 收费 22 元，超过 1kg，则超出部分按每千克10 元加收费用.设该公司从西安到南昌快寄樱桃的费用为y元，所寄樱桃为x(kg).文档编码:CF4N2R3R9B3 HY2B10C6D8Y6 ZE9U5S4M2C5文档编码:CF4N2R3R9B3 HY2B10C6D8Y6 ZE9U5S4M2C5文档编码:CF4N2R3R9B3 HY2B10C6D8Y6 ZE9U5S4M2C5文档编码:CF4N2R3R9B3 HY2B10C6D8Y6 ZE9U5S4M2C5文档编码:CF4N2R3R9B3

21、 HY2B10C6D8Y6 ZE9U5S4M2C5文档编码:CF4N2R3R9B3 HY2B10C6D8Y6 ZE9U5S4M2C5文档编码:CF4N2R3R9B3 HY2B10C6D8Y6 ZE9U5S4M2C5文档编码:CF4N2R3R9B3 HY2B10C6D8Y6 ZE9U5S4M2C5文档编码:CF4N2R3R9B3 HY2B10C6D8Y6 ZE9U5S4M2C5文档编码:CF4N2R3R9B3 HY2B10C6D8Y6 ZE9U5S4M2C5文档编码:CF4N2R3R9B3 HY2B10C6D8Y6 ZE9U5S4M2C5文档编码:CF4N2R3R9B3 HY2B10C6D8Y6

22、 ZE9U5S4M2C5文档编码:CF4N2R3R9B3 HY2B10C6D8Y6 ZE9U5S4M2C5文档编码:CF4N2R3R9B3 HY2B10C6D8Y6 ZE9U5S4M2C5文档编码:CF4N2R3R9B3 HY2B10C6D8Y6 ZE9U5S4M2C5文档编码:CF4N2R3R9B3 HY2B10C6D8Y6 ZE9U5S4M2C5文档编码:CF4N2R3R9B3 HY2B10C6D8Y6 ZE9U5S4M2C5文档编码:CF4N2R3R9B3 HY2B10C6D8Y6 ZE9U5S4M2C5文档编码:CF4N2R3R9B3 HY2B10C6D8Y6 ZE9U5S4M2C5文

23、档编码:CF4N2R3R9B3 HY2B10C6D8Y6 ZE9U5S4M2C5文档编码:CF4N2R3R9B3 HY2B10C6D8Y6 ZE9U5S4M2C5文档编码:CF4N2R3R9B3 HY2B10C6D8Y6 ZE9U5S4M2C5文档编码:CF4N2R3R9B3 HY2B10C6D8Y6 ZE9U5S4M2C5文档编码:CF4N2R3R9B3 HY2B10C6D8Y6 ZE9U5S4M2C5文档编码:CF4N2R3R9B3 HY2B10C6D8Y6 ZE9U5S4M2C5文档编码:CF4N2R3R9B3 HY2B10C6D8Y6 ZE9U5S4M2C5文档编码:CF4N2R3R9

24、B3 HY2B10C6D8Y6 ZE9U5S4M2C5文档编码:CF4N2R3R9B3 HY2B10C6D8Y6 ZE9U5S4M2C5文档编码:CF4N2R3R9B3 HY2B10C6D8Y6 ZE9U5S4M2C5文档编码:CF4N2R3R9B3 HY2B10C6D8Y6 ZE9U5S4M2C5文档编码:CF4N2R3R9B3 HY2B10C6D8Y6 ZE9U5S4M2C5文档编码:CF4N2R3R9B3 HY2B10C6D8Y6 ZE9U5S4M2C5文档编码:CF4N2R3R9B3 HY2B10C6D8Y6 ZE9U5S4M2C5文档编码:CF4N2R3R9B3 HY2B10C6D8

25、Y6 ZE9U5S4M2C5文档编码:CF4N2R3R9B3 HY2B10C6D8Y6 ZE9U5S4M2C5文档编码:CF4N2R3R9B3 HY2B10C6D8Y6 ZE9U5S4M2C5文档编码:CF4N2R3R9B3 HY2B10C6D8Y6 ZE9U5S4M2C5文档编码:CF4N2R3R9B3 HY2B10C6D8Y6 ZE9U5S4M2C5文档编码:CF4N2R3R9B3 HY2B10C6D8Y6 ZE9U5S4M2C5文档编码:CF4N2R3R9B3 HY2B10C6D8Y6 ZE9U5S4M2C5文档编码:CF4N2R3R9B3 HY2B10C6D8Y6 ZE9U5S4M2C

26、5文档编码:CF4N2R3R9B3 HY2B10C6D8Y6 ZE9U5S4M2C5文档编码:CF4N2R3R9B3 HY2B10C6D8Y6 ZE9U5S4M2C5文档编码:CF4N2R3R9B3 HY2B10C6D8Y6 ZE9U5S4M2C5文档编码:CF4N2R3R9B3 HY2B10C6D8Y6 ZE9U5S4M2C5文档编码:CF4N2R3R9B3 HY2B10C6D8Y6 ZE9U5S4M2C5文档编码:CF4N2R3R9B3 HY2B10C6D8Y6 ZE9U5S4M2C5文档编码:CF4N2R3R9B3 HY2B10C6D8Y6 ZE9U5S4M2C5(1)求 y 与 x 之

27、间的函数关系式；2已知小李给外婆快寄了2.5kg 樱桃，请你求出这次快寄的费用是多少元？22.此题总分值8 分小英与她的父亲、母亲计划外出旅游，初步选择了延安、西安、汉中、安康四个城市.由于时间仓促，他们只能去其中一个城市，到底去哪一个城市三人意见不统一.在这种情况下，小英父亲建议，用小英学过的摸球游戏来决定.规则如下：在一个不透明的袋子中装一个红球延安、一个白球西安、一个黄球汉中和一个黑球安康，这四个球除颜色不同外，其余完全相同；小英父亲先将袋中球摇匀，让小英从袋中随机摸出一球，父亲记录下其颜色，并将这个球放回袋中摇匀，然后让小英母亲从袋中随机摸出一球，父亲记录下它的颜色；假设两人所摸出球的

28、颜色相同，则去该球所表示的城市旅游，否则，前面的记录作废，按规则重新摸球，直到两人所摸出球的颜色相同为止.按照上面的规则，请你解答以下问题:1已知小英的理想旅游城市是西安，小英和母亲随机各摸球一次，均摸出白球的概率是多少？2已知小英母亲的理想旅游城市是汉中，小英和母亲随机各摸球一次，至少有一人摸出黄球的概率是多少？23.此题总分值8 分如图，O的半径为4，B是 O外一点，连接OB，且 OB=6.过点 B作 O的切线 BD，切点为D，延长 BO交 O于点 A，过点 A作切线 BD的垂线，垂足为C.(1)求证：AD平分 BAC；(2)求 AC的长.文档编码:CF4N2R3R9B3 HY2B1

29、0C6D8Y6 ZE9U5S4M2C5文档编码:CF4N2R3R9B3 HY2B10C6D8Y6 ZE9U5S4M2C5文档编码:CF4N2R3R9B3 HY2B10C6D8Y6 ZE9U5S4M2C5文档编码:CF4N2R3R9B3 HY2B10C6D8Y6 ZE9U5S4M2C5文档编码:CF4N2R3R9B3 HY2B10C6D8Y6 ZE9U5S4M2C5文档编码:CF4N2R3R9B3 HY2B10C6D8Y6 ZE9U5S4M2C5文档编码:CF4N2R3R9B3 HY2B10C6D8Y6 ZE9U5S4M2C5文档编码:CF4N2R3R9B3 HY2B10C6D8Y6 ZE9U5

30、S4M2C5文档编码:CF4N2R3R9B3 HY2B10C6D8Y6 ZE9U5S4M2C5文档编码:CF4N2R3R9B3 HY2B10C6D8Y6 ZE9U5S4M2C5文档编码:CF4N2R3R9B3 HY2B10C6D8Y6 ZE9U5S4M2C5文档编码:CF4N2R3R9B3 HY2B10C6D8Y6 ZE9U5S4M2C5文档编码:CF4N2R3R9B3 HY2B10C6D8Y6 ZE9U5S4M2C5文档编码:CF4N2R3R9B3 HY2B10C6D8Y6 ZE9U5S4M2C5文档编码:CF4N2R3R9B3 HY2B10C6D8Y6 ZE9U5S4M2C5文档编码:CF

31、4N2R3R9B3 HY2B10C6D8Y6 ZE9U5S4M2C5文档编码:CF4N2R3R9B3 HY2B10C6D8Y6 ZE9U5S4M2C5文档编码:CF4N2R3R9B3 HY2B10C6D8Y6 ZE9U5S4M2C5文档编码:CF4N2R3R9B3 HY2B10C6D8Y6 ZE9U5S4M2C5文档编码:CF4N2R3R9B3 HY2B10C6D8Y6 ZE9U5S4M2C5文档编码:CF4N2R3R9B3 HY2B10C6D8Y6 ZE9U5S4M2C5文档编码:CF4N2R3R9B3 HY2B10C6D8Y6 ZE9U5S4M2C5文档编码:CF4N2R3R9B3 HY2

32、B10C6D8Y6 ZE9U5S4M2C5文档编码:CF4N2R3R9B3 HY2B10C6D8Y6 ZE9U5S4M2C5文档编码:CF4N2R3R9B3 HY2B10C6D8Y6 ZE9U5S4M2C5文档编码:CF4N2R3R9B3 HY2B10C6D8Y6 ZE9U5S4M2C5文档编码:CF4N2R3R9B3 HY2B10C6D8Y6 ZE9U5S4M2C5文档编码:CF4N2R3R9B3 HY2B10C6D8Y6 ZE9U5S4M2C5文档编码:CF4N2R3R9B3 HY2B10C6D8Y6 ZE9U5S4M2C5文档编码:CF4N2R3R9B3 HY2B10C6D8Y6 ZE9

33、U5S4M2C5文档编码:CF4N2R3R9B3 HY2B10C6D8Y6 ZE9U5S4M2C5文档编码:CF4N2R3R9B3 HY2B10C6D8Y6 ZE9U5S4M2C5文档编码:CF4N2R3R9B3 HY2B10C6D8Y6 ZE9U5S4M2C5文档编码:CF4N2R3R9B3 HY2B10C6D8Y6 ZE9U5S4M2C5文档编码:CF4N2R3R9B3 HY2B10C6D8Y6 ZE9U5S4M2C5文档编码:CF4N2R3R9B3 HY2B10C6D8Y6 ZE9U5S4M2C5文档编码:CF4N2R3R9B3 HY2B10C6D8Y6 ZE9U5S4M2C5文档编码:

34、CF4N2R3R9B3 HY2B10C6D8Y6 ZE9U5S4M2C5文档编码:CF4N2R3R9B3 HY2B10C6D8Y6 ZE9U5S4M2C5文档编码:CF4N2R3R9B3 HY2B10C6D8Y6 ZE9U5S4M2C5文档编码:CF4N2R3R9B3 HY2B10C6D8Y6 ZE9U5S4M2C5文档编码:CF4N2R3R9B3 HY2B10C6D8Y6 ZE9U5S4M2C5文档编码:CF4N2R3R9B3 HY2B10C6D8Y6 ZE9U5S4M2C5文档编码:CF4N2R3R9B3 HY2B10C6D8Y6 ZE9U5S4M2C5文档编码:CF4N2R3R9B3 H

35、Y2B10C6D8Y6 ZE9U5S4M2C5文档编码:CF4N2R3R9B3 HY2B10C6D8Y6 ZE9U5S4M2C5文档编码:CF4N2R3R9B3 HY2B10C6D8Y6 ZE9U5S4M2C5文档编码:CF4N2R3R9B3 HY2B10C6D8Y6 ZE9U5S4M2C524.此题总分值10 分已知抛物线C:cbxxy2经过 A -3,0 和 B0,3 两点.将这条抛物线的顶点记为M，它的对称轴于x 轴的交点记为N.(1)求抛物线C的表达式；2求点 M的坐标；3 将抛物线C 平移到 C ,抛物线 C的顶点记为M，它的对称轴于x 轴的交点记为N.如果以点 M、N、M、N为顶点

36、的四边形是面积为16 的平行四边形，那么应将抛物线C 怎样平移？为什么？25.此题总分值12 分问题探究1如图，在矩形ABCD 中，AB=3，BC=4.如果 BC边上存在点P，使 APD为等腰三角形，那么请画出满足条件的一个等腰 APD，并求出此时BP的长；2如图，在 ABC中，ABC=60 ，BC=12，AD是 BC边上的高，E、F分别为边AB、AC的中点.当 AD=6时，BC边上存在一点Q，使 EQF=90，求此时BQ的长；问题解决3有一山庄，它的平面图为如图的五边形ABCDE，山庄保卫人员想在线段CD上选一点M安监控装置，用来监视边AB.现只要使 AMB 大约为 60，就可以让监控装置的

37、效果到达最正确.已知A=E=D=90，AB=270m，AE=400m,ED=285m，CD=340m.问在线段CD上是否存在点M，使 AMB=60？假设存在，请求出符合条件的DM的长；假设不存在，请说明理由.图图图文档编码:CF4N2R3R9B3 HY2B10C6D8Y6 ZE9U5S4M2C5文档编码:CF4N2R3R9B3 HY2B10C6D8Y6 ZE9U5S4M2C5文档编码:CF4N2R3R9B3 HY2B10C6D8Y6 ZE9U5S4M2C5文档编码:CF4N2R3R9B3 HY2B10C6D8Y6 ZE9U5S4M2C5文档编码:CF4N2R3R9B3 HY2B10C6D8Y6

38、 ZE9U5S4M2C5文档编码:CF4N2R3R9B3 HY2B10C6D8Y6 ZE9U5S4M2C5文档编码:CF4N2R3R9B3 HY2B10C6D8Y6 ZE9U5S4M2C5文档编码:CF4N2R3R9B3 HY2B10C6D8Y6 ZE9U5S4M2C5文档编码:CF4N2R3R9B3 HY2B10C6D8Y6 ZE9U5S4M2C5文档编码:CF4N2R3R9B3 HY2B10C6D8Y6 ZE9U5S4M2C5文档编码:CF4N2R3R9B3 HY2B10C6D8Y6 ZE9U5S4M2C5文档编码:CF4N2R3R9B3 HY2B10C6D8Y6 ZE9U5S4M2C5文

39、档编码:CF4N2R3R9B3 HY2B10C6D8Y6 ZE9U5S4M2C5文档编码:CF4N2R3R9B3 HY2B10C6D8Y6 ZE9U5S4M2C5文档编码:CF4N2R3R9B3 HY2B10C6D8Y6 ZE9U5S4M2C5文档编码:CF4N2R3R9B3 HY2B10C6D8Y6 ZE9U5S4M2C5文档编码:CF4N2R3R9B3 HY2B10C6D8Y6 ZE9U5S4M2C5文档编码:CF4N2R3R9B3 HY2B10C6D8Y6 ZE9U5S4M2C5文档编码:CF4N2R3R9B3 HY2B10C6D8Y6 ZE9U5S4M2C5文档编码:CF4N2R3R9

40、B3 HY2B10C6D8Y6 ZE9U5S4M2C5文档编码:CF4N2R3R9B3 HY2B10C6D8Y6 ZE9U5S4M2C5文档编码:CF4N2R3R9B3 HY2B10C6D8Y6 ZE9U5S4M2C5文档编码:CF4N2R3R9B3 HY2B10C6D8Y6 ZE9U5S4M2C5文档编码:CF4N2R3R9B3 HY2B10C6D8Y6 ZE9U5S4M2C5文档编码:CF4N2R3R9B3 HY2B10C6D8Y6 ZE9U5S4M2C5文档编码:CF4N2R3R9B3 HY2B10C6D8Y6 ZE9U5S4M2C5文档编码:CF4N2R3R9B3 HY2B10C6D8

41、Y6 ZE9U5S4M2C5文档编码:CF4N2R3R9B3 HY2B10C6D8Y6 ZE9U5S4M2C5文档编码:CF4N2R3R9B3 HY2B10C6D8Y6 ZE9U5S4M2C5文档编码:CF4N2R3R9B3 HY2B10C6D8Y6 ZE9U5S4M2C5文档编码:CF4N2R3R9B3 HY2B10C6D8Y6 ZE9U5S4M2C5文档编码:CF4N2R3R9B3 HY2B10C6D8Y6 ZE9U5S4M2C5文档编码:CF4N2R3R9B3 HY2B10C6D8Y6 ZE9U5S4M2C5文档编码:CF4N2R3R9B3 HY2B10C6D8Y6 ZE9U5S4M2C

42、5文档编码:CF4N2R3R9B3 HY2B10C6D8Y6 ZE9U5S4M2C5文档编码:CF4N2R3R9B3 HY2B10C6D8Y6 ZE9U5S4M2C5文档编码:CF4N2R3R9B3 HY2B10C6D8Y6 ZE9U5S4M2C5文档编码:CF4N2R3R9B3 HY2B10C6D8Y6 ZE9U5S4M2C5文档编码:CF4N2R3R9B3 HY2B10C6D8Y6 ZE9U5S4M2C5文档编码:CF4N2R3R9B3 HY2B10C6D8Y6 ZE9U5S4M2C5文档编码:CF4N2R3R9B3 HY2B10C6D8Y6 ZE9U5S4M2C5文档编码:CF4N2R3

43、R9B3 HY2B10C6D8Y6 ZE9U5S4M2C5文档编码:CF4N2R3R9B3 HY2B10C6D8Y6 ZE9U5S4M2C5文档编码:CF4N2R3R9B3 HY2B10C6D8Y6 ZE9U5S4M2C5文档编码:CF4N2R3R9B3 HY2B10C6D8Y6 ZE9U5S4M2C5文档编码:CF4N2R3R9B3 HY2B10C6D8Y6 ZE9U5S4M2C5文档编码:CF4N2R3R9B3 HY2B10C6D8Y6 ZE9U5S4M2C5文档编码:CF4N2R3R9B3 HY2B10C6D8Y6 ZE9U5S4M2C5参考答案1、B 2、A 3、C 4、A 5、D 6

44、、B 7、D 8、B 9、C 10、D 文档编码:CF4N2R3R9B3 HY2B10C6D8Y6 ZE9U5S4M2C5文档编码:CF4N2R3R9B3 HY2B10C6D8Y6 ZE9U5S4M2C5文档编码:CF4N2R3R9B3 HY2B10C6D8Y6 ZE9U5S4M2C5文档编码:CF4N2R3R9B3 HY2B10C6D8Y6 ZE9U5S4M2C5文档编码:CF4N2R3R9B3 HY2B10C6D8Y6 ZE9U5S4M2C5文档编码:CF4N2R3R9B3 HY2B10C6D8Y6 ZE9U5S4M2C5文档编码:CF4N2R3R9B3 HY2B10C6D8Y6 ZE9U

45、5S4M2C5文档编码:CF4N2R3R9B3 HY2B10C6D8Y6 ZE9U5S4M2C5文档编码:CF4N2R3R9B3 HY2B10C6D8Y6 ZE9U5S4M2C5文档编码:CF4N2R3R9B3 HY2B10C6D8Y6 ZE9U5S4M2C5文档编码:CF4N2R3R9B3 HY2B10C6D8Y6 ZE9U5S4M2C5文档编码:CF4N2R3R9B3 HY2B10C6D8Y6 ZE9U5S4M2C5文档编码:CF4N2R3R9B3 HY2B10C6D8Y6 ZE9U5S4M2C5文档编码:CF4N2R3R9B3 HY2B10C6D8Y6 ZE9U5S4M2C5文档编码:C

46、F4N2R3R9B3 HY2B10C6D8Y6 ZE9U5S4M2C5文档编码:CF4N2R3R9B3 HY2B10C6D8Y6 ZE9U5S4M2C5文档编码:CF4N2R3R9B3 HY2B10C6D8Y6 ZE9U5S4M2C5文档编码:CF4N2R3R9B3 HY2B10C6D8Y6 ZE9U5S4M2C5文档编码:CF4N2R3R9B3 HY2B10C6D8Y6 ZE9U5S4M2C5文档编码:CF4N2R3R9B3 HY2B10C6D8Y6 ZE9U5S4M2C5文档编码:CF4N2R3R9B3 HY2B10C6D8Y6 ZE9U5S4M2C5文档编码:CF4N2R3R9B3 HY

47、2B10C6D8Y6 ZE9U5S4M2C5文档编码:CF4N2R3R9B3 HY2B10C6D8Y6 ZE9U5S4M2C5文档编码:CF4N2R3R9B3 HY2B10C6D8Y6 ZE9U5S4M2C5文档编码:CF4N2R3R9B3 HY2B10C6D8Y6 ZE9U5S4M2C5文档编码:CF4N2R3R9B3 HY2B10C6D8Y6 ZE9U5S4M2C5文档编码:CF4N2R3R9B3 HY2B10C6D8Y6 ZE9U5S4M2C5文档编码:CF4N2R3R9B3 HY2B10C6D8Y6 ZE9U5S4M2C5文档编码:CF4N2R3R9B3 HY2B10C6D8Y6 ZE

48、9U5S4M2C5文档编码:CF4N2R3R9B3 HY2B10C6D8Y6 ZE9U5S4M2C5文档编码:CF4N2R3R9B3 HY2B10C6D8Y6 ZE9U5S4M2C5文档编码:CF4N2R3R9B3 HY2B10C6D8Y6 ZE9U5S4M2C5文档编码:CF4N2R3R9B3 HY2B10C6D8Y6 ZE9U5S4M2C5文档编码:CF4N2R3R9B3 HY2B10C6D8Y6 ZE9U5S4M2C5文档编码:CF4N2R3R9B3 HY2B10C6D8Y6 ZE9U5S4M2C5文档编码:CF4N2R3R9B3 HY2B10C6D8Y6 ZE9U5S4M2C5文档编码

49、:CF4N2R3R9B3 HY2B10C6D8Y6 ZE9U5S4M2C5文档编码:CF4N2R3R9B3 HY2B10C6D8Y6 ZE9U5S4M2C5文档编码:CF4N2R3R9B3 HY2B10C6D8Y6 ZE9U5S4M2C5文档编码:CF4N2R3R9B3 HY2B10C6D8Y6 ZE9U5S4M2C5文档编码:CF4N2R3R9B3 HY2B10C6D8Y6 ZE9U5S4M2C5文档编码:CF4N2R3R9B3 HY2B10C6D8Y6 ZE9U5S4M2C5文档编码:CF4N2R3R9B3 HY2B10C6D8Y6 ZE9U5S4M2C5文档编码:CF4N2R3R9B3

50、HY2B10C6D8Y6 ZE9U5S4M2C5文档编码:CF4N2R3R9B3 HY2B10C6D8Y6 ZE9U5S4M2C5文档编码:CF4N2R3R9B3 HY2B10C6D8Y6 ZE9U5S4M2C5文档编码:CF4N2R3R9B3 HY2B10C6D8Y6 ZE9U5S4M2C5文档编码:CF4N2R3R9B3 HY2B10C6D8Y6 ZE9U5S4M2C5文档编码:CF4N2R3R9B3 HY2B10C6D8Y6 ZE9U5S4M2C5文档编码:CF4N2R3R9B3 HY2B10C6D8Y6 ZE9U5S4M2C5文档编码:CF4N2R3R9B3 HY2B10C6D8Y6

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