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1、学习好资料欢迎下载20XX年广东中考数学压轴模拟题及答案1观察规律并填空（1）=?=；（1）（1）=?=（1）（1）（1）=?=?=；（1）（1）（1）（1）=?=?=；（1）（1）（1）（1）（1）=（用含 n 的代数式表示，n 是正整数，且n2）2（9 分）（20XX年云南省）为了解本校九年级学生期末数学考试情况，销量在九年级随机抽取了一部分学生的期末数学成绩为样本，分为A、B（8980 分）、C（7960 分）、D（590 分）四个等级进行统计，并将统计结果绘制成如下统计图，请你根据统计图解答以下问题：（1）这次随机抽取的学生共有多少人？（2）请补全条形统计图；（3）这个学校九年级共有学
2、生1200 人，若分数为80 分（含 80 分）以上为优秀，请估计这次九年级学生期末数学考试成绩为优秀的学生人数大约有多少？学习好资料欢迎下载3.如图所示，抛物线y=ax2+bx+c（a0）与x 轴、y 轴分别相交于A（?-1，0）、B（3，0）、C（0，3）三点，其顶点为D 注：抛物线y=ax2+bx+c（a0）的顶点坐标为（2ba，244acba）（1）求经过A、B、C三点的抛物线的解析式；（2）求四边形ABDC 的面积.4在平面直角坐标系Oxy中，抛物线kxxy42（k 是常数）与x轴相交于 A、B两点（B在 A的右边），与 y 轴相交于 C 点求 k 的取值范围；若OBC 是等腰直角三
3、角形，求k 的值5如图 9，矩形 ABCD中，E 是 BC 上一点，将矩形沿AE 翻折后，点 B恰好与CD 边上的点 F 重合已知5AB，3AD文档编码:CJ1O5P3K3R6 HQ7X1O1N4D3 ZP2A3W9Y2N5文档编码:CJ1O5P3K3R6 HQ7X1O1N4D3 ZP2A3W9Y2N5文档编码:CJ1O5P3K3R6 HQ7X1O1N4D3 ZP2A3W9Y2N5文档编码:CJ1O5P3K3R6 HQ7X1O1N4D3 ZP2A3W9Y2N5文档编码:CJ1O5P3K3R6 HQ7X1O1N4D3 ZP2A3W9Y2N5文档编码:CJ1O5P3K3R6 HQ7X1O1N4D3
4、 ZP2A3W9Y2N5文档编码:CJ1O5P3K3R6 HQ7X1O1N4D3 ZP2A3W9Y2N5文档编码:CJ1O5P3K3R6 HQ7X1O1N4D3 ZP2A3W9Y2N5文档编码:CJ1O5P3K3R6 HQ7X1O1N4D3 ZP2A3W9Y2N5文档编码:CJ1O5P3K3R6 HQ7X1O1N4D3 ZP2A3W9Y2N5文档编码:CJ1O5P3K3R6 HQ7X1O1N4D3 ZP2A3W9Y2N5文档编码:CJ1O5P3K3R6 HQ7X1O1N4D3 ZP2A3W9Y2N5文档编码:CJ1O5P3K3R6 HQ7X1O1N4D3 ZP2A3W9Y2N5文档编码:CJ1
5、O5P3K3R6 HQ7X1O1N4D3 ZP2A3W9Y2N5文档编码:CJ1O5P3K3R6 HQ7X1O1N4D3 ZP2A3W9Y2N5文档编码:CJ1O5P3K3R6 HQ7X1O1N4D3 ZP2A3W9Y2N5文档编码:CJ1O5P3K3R6 HQ7X1O1N4D3 ZP2A3W9Y2N5文档编码:CJ1O5P3K3R6 HQ7X1O1N4D3 ZP2A3W9Y2N5文档编码:CJ1O5P3K3R6 HQ7X1O1N4D3 ZP2A3W9Y2N5文档编码:CJ1O5P3K3R6 HQ7X1O1N4D3 ZP2A3W9Y2N5文档编码:CJ1O5P3K3R6 HQ7X1O1N4D3
6、 ZP2A3W9Y2N5文档编码:CJ1O5P3K3R6 HQ7X1O1N4D3 ZP2A3W9Y2N5文档编码:CJ1O5P3K3R6 HQ7X1O1N4D3 ZP2A3W9Y2N5文档编码:CJ1O5P3K3R6 HQ7X1O1N4D3 ZP2A3W9Y2N5文档编码:CJ1O5P3K3R6 HQ7X1O1N4D3 ZP2A3W9Y2N5文档编码:CJ1O5P3K3R6 HQ7X1O1N4D3 ZP2A3W9Y2N5文档编码:CJ1O5P3K3R6 HQ7X1O1N4D3 ZP2A3W9Y2N5文档编码:CJ1O5P3K3R6 HQ7X1O1N4D3 ZP2A3W9Y2N5文档编码:CJ1
7、O5P3K3R6 HQ7X1O1N4D3 ZP2A3W9Y2N5文档编码:CJ1O5P3K3R6 HQ7X1O1N4D3 ZP2A3W9Y2N5文档编码:CJ1O5P3K3R6 HQ7X1O1N4D3 ZP2A3W9Y2N5文档编码:CJ1O5P3K3R6 HQ7X1O1N4D3 ZP2A3W9Y2N5文档编码:CJ1O5P3K3R6 HQ7X1O1N4D3 ZP2A3W9Y2N5文档编码:CJ1O5P3K3R6 HQ7X1O1N4D3 ZP2A3W9Y2N5文档编码:CJ1O5P3K3R6 HQ7X1O1N4D3 ZP2A3W9Y2N5文档编码:CJ1O5P3K3R6 HQ7X1O1N4D3
8、 ZP2A3W9Y2N5文档编码:CJ1O5P3K3R6 HQ7X1O1N4D3 ZP2A3W9Y2N5文档编码:CJ1O5P3K3R6 HQ7X1O1N4D3 ZP2A3W9Y2N5文档编码:CJ1O5P3K3R6 HQ7X1O1N4D3 ZP2A3W9Y2N5文档编码:CJ1O5P3K3R6 HQ7X1O1N4D3 ZP2A3W9Y2N5文档编码:CJ1O5P3K3R6 HQ7X1O1N4D3 ZP2A3W9Y2N5文档编码:CJ1O5P3K3R6 HQ7X1O1N4D3 ZP2A3W9Y2N5文档编码:CJ1O5P3K3R6 HQ7X1O1N4D3 ZP2A3W9Y2N5文档编码:CJ1
9、O5P3K3R6 HQ7X1O1N4D3 ZP2A3W9Y2N5文档编码:CJ1O5P3K3R6 HQ7X1O1N4D3 ZP2A3W9Y2N5文档编码:CJ1O5P3K3R6 HQ7X1O1N4D3 ZP2A3W9Y2N5文档编码:CJ1O5P3K3R6 HQ7X1O1N4D3 ZP2A3W9Y2N5文档编码:CJ1O5P3K3R6 HQ7X1O1N4D3 ZP2A3W9Y2N5学习好资料欢迎下载OxyABCPD10图求 BE；求EAFtan6如图 10，抛物线4212xxy与坐标轴相交于 A、B、C 三点，P 是线段AB上一动点（端点除外），过 P 作ACPD/，交 BC 于点 D，连接
10、CP直接写出 A、B、C 的坐标；求PCD 面积的最大值，并判断当PCD的面积取最大值时，以PA、PD 为邻边的平行四边形是否为菱形答案：文档编码:CJ1O5P3K3R6 HQ7X1O1N4D3 ZP2A3W9Y2N5文档编码:CJ1O5P3K3R6 HQ7X1O1N4D3 ZP2A3W9Y2N5文档编码:CJ1O5P3K3R6 HQ7X1O1N4D3 ZP2A3W9Y2N5文档编码:CJ1O5P3K3R6 HQ7X1O1N4D3 ZP2A3W9Y2N5文档编码:CJ1O5P3K3R6 HQ7X1O1N4D3 ZP2A3W9Y2N5文档编码:CJ1O5P3K3R6 HQ7X1O1N4D3 ZP
11、2A3W9Y2N5文档编码:CJ1O5P3K3R6 HQ7X1O1N4D3 ZP2A3W9Y2N5文档编码:CJ1O5P3K3R6 HQ7X1O1N4D3 ZP2A3W9Y2N5文档编码:CJ1O5P3K3R6 HQ7X1O1N4D3 ZP2A3W9Y2N5文档编码:CJ1O5P3K3R6 HQ7X1O1N4D3 ZP2A3W9Y2N5文档编码:CJ1O5P3K3R6 HQ7X1O1N4D3 ZP2A3W9Y2N5文档编码:CJ1O5P3K3R6 HQ7X1O1N4D3 ZP2A3W9Y2N5文档编码:CJ1O5P3K3R6 HQ7X1O1N4D3 ZP2A3W9Y2N5文档编码:CJ1O5P
12、3K3R6 HQ7X1O1N4D3 ZP2A3W9Y2N5文档编码:CJ1O5P3K3R6 HQ7X1O1N4D3 ZP2A3W9Y2N5文档编码:CJ1O5P3K3R6 HQ7X1O1N4D3 ZP2A3W9Y2N5文档编码:CJ1O5P3K3R6 HQ7X1O1N4D3 ZP2A3W9Y2N5文档编码:CJ1O5P3K3R6 HQ7X1O1N4D3 ZP2A3W9Y2N5文档编码:CJ1O5P3K3R6 HQ7X1O1N4D3 ZP2A3W9Y2N5文档编码:CJ1O5P3K3R6 HQ7X1O1N4D3 ZP2A3W9Y2N5文档编码:CJ1O5P3K3R6 HQ7X1O1N4D3 ZP
13、2A3W9Y2N5文档编码:CJ1O5P3K3R6 HQ7X1O1N4D3 ZP2A3W9Y2N5文档编码:CJ1O5P3K3R6 HQ7X1O1N4D3 ZP2A3W9Y2N5文档编码:CJ1O5P3K3R6 HQ7X1O1N4D3 ZP2A3W9Y2N5文档编码:CJ1O5P3K3R6 HQ7X1O1N4D3 ZP2A3W9Y2N5文档编码:CJ1O5P3K3R6 HQ7X1O1N4D3 ZP2A3W9Y2N5文档编码:CJ1O5P3K3R6 HQ7X1O1N4D3 ZP2A3W9Y2N5文档编码:CJ1O5P3K3R6 HQ7X1O1N4D3 ZP2A3W9Y2N5文档编码:CJ1O5P
14、3K3R6 HQ7X1O1N4D3 ZP2A3W9Y2N5文档编码:CJ1O5P3K3R6 HQ7X1O1N4D3 ZP2A3W9Y2N5文档编码:CJ1O5P3K3R6 HQ7X1O1N4D3 ZP2A3W9Y2N5文档编码:CJ1O5P3K3R6 HQ7X1O1N4D3 ZP2A3W9Y2N5文档编码:CJ1O5P3K3R6 HQ7X1O1N4D3 ZP2A3W9Y2N5文档编码:CJ1O5P3K3R6 HQ7X1O1N4D3 ZP2A3W9Y2N5文档编码:CJ1O5P3K3R6 HQ7X1O1N4D3 ZP2A3W9Y2N5文档编码:CJ1O5P3K3R6 HQ7X1O1N4D3 ZP
15、2A3W9Y2N5文档编码:CJ1O5P3K3R6 HQ7X1O1N4D3 ZP2A3W9Y2N5文档编码:CJ1O5P3K3R6 HQ7X1O1N4D3 ZP2A3W9Y2N5文档编码:CJ1O5P3K3R6 HQ7X1O1N4D3 ZP2A3W9Y2N5文档编码:CJ1O5P3K3R6 HQ7X1O1N4D3 ZP2A3W9Y2N5文档编码:CJ1O5P3K3R6 HQ7X1O1N4D3 ZP2A3W9Y2N5文档编码:CJ1O5P3K3R6 HQ7X1O1N4D3 ZP2A3W9Y2N5文档编码:CJ1O5P3K3R6 HQ7X1O1N4D3 ZP2A3W9Y2N5文档编码:CJ1O5P
16、3K3R6 HQ7X1O1N4D3 ZP2A3W9Y2N5文档编码:CJ1O5P3K3R6 HQ7X1O1N4D3 ZP2A3W9Y2N5文档编码:CJ1O5P3K3R6 HQ7X1O1N4D3 ZP2A3W9Y2N5文档编码:CJ1O5P3K3R6 HQ7X1O1N4D3 ZP2A3W9Y2N5文档编码:CJ1O5P3K3R6 HQ7X1O1N4D3 ZP2A3W9Y2N5学习好资料欢迎下载1.分析：由前面算式可以看出：算式的左边利用平方差公式因式分解，中间的数字互为倒数，乘积为1，只剩下两端的（1）和（1+）相乘得出结果解：（1）（1）（1）（1）（1）=?=故答案为：点评：此题考查算式的
17、运算规律，找出数字之间的联系，得出运算规律，解决问题2.分析：（1）抽查人数可由C等所占的比例为50%，根据总数=某等人数比例来计算；（2）可由总数减去A、C、D的人数求得B等的人数，再补全条形统计图；（3）用样本估计总体用总人数1200 乘以样本中测试成绩等级在80 分（含 80 分）以上的学生所占百分比即可解：（1）2050%=40（人），答：这次随机抽取的学生共有40 人；（2）B等级人数：405204=11（人）条形统计图如下：（3）1200100%=480（人），这次九年级学生期末数学考试成绩为优秀的学生人数大约有480 人文档编码:CJ1O5P3K3R6 HQ7X1O1N4D3 Z
18、P2A3W9Y2N5文档编码:CJ1O5P3K3R6 HQ7X1O1N4D3 ZP2A3W9Y2N5文档编码:CJ1O5P3K3R6 HQ7X1O1N4D3 ZP2A3W9Y2N5文档编码:CJ1O5P3K3R6 HQ7X1O1N4D3 ZP2A3W9Y2N5文档编码:CJ1O5P3K3R6 HQ7X1O1N4D3 ZP2A3W9Y2N5文档编码:CJ1O5P3K3R6 HQ7X1O1N4D3 ZP2A3W9Y2N5文档编码:CJ1O5P3K3R6 HQ7X1O1N4D3 ZP2A3W9Y2N5文档编码:CJ1O5P3K3R6 HQ7X1O1N4D3 ZP2A3W9Y2N5文档编码:CJ1O5
19、P3K3R6 HQ7X1O1N4D3 ZP2A3W9Y2N5文档编码:CJ1O5P3K3R6 HQ7X1O1N4D3 ZP2A3W9Y2N5文档编码:CJ1O5P3K3R6 HQ7X1O1N4D3 ZP2A3W9Y2N5文档编码:CJ1O5P3K3R6 HQ7X1O1N4D3 ZP2A3W9Y2N5文档编码:CJ1O5P3K3R6 HQ7X1O1N4D3 ZP2A3W9Y2N5文档编码:CJ1O5P3K3R6 HQ7X1O1N4D3 ZP2A3W9Y2N5文档编码:CJ1O5P3K3R6 HQ7X1O1N4D3 ZP2A3W9Y2N5文档编码:CJ1O5P3K3R6 HQ7X1O1N4D3 Z
20、P2A3W9Y2N5文档编码:CJ1O5P3K3R6 HQ7X1O1N4D3 ZP2A3W9Y2N5文档编码:CJ1O5P3K3R6 HQ7X1O1N4D3 ZP2A3W9Y2N5文档编码:CJ1O5P3K3R6 HQ7X1O1N4D3 ZP2A3W9Y2N5文档编码:CJ1O5P3K3R6 HQ7X1O1N4D3 ZP2A3W9Y2N5文档编码:CJ1O5P3K3R6 HQ7X1O1N4D3 ZP2A3W9Y2N5文档编码:CJ1O5P3K3R6 HQ7X1O1N4D3 ZP2A3W9Y2N5文档编码:CJ1O5P3K3R6 HQ7X1O1N4D3 ZP2A3W9Y2N5文档编码:CJ1O5
21、P3K3R6 HQ7X1O1N4D3 ZP2A3W9Y2N5文档编码:CJ1O5P3K3R6 HQ7X1O1N4D3 ZP2A3W9Y2N5文档编码:CJ1O5P3K3R6 HQ7X1O1N4D3 ZP2A3W9Y2N5文档编码:CJ1O5P3K3R6 HQ7X1O1N4D3 ZP2A3W9Y2N5文档编码:CJ1O5P3K3R6 HQ7X1O1N4D3 ZP2A3W9Y2N5文档编码:CJ1O5P3K3R6 HQ7X1O1N4D3 ZP2A3W9Y2N5文档编码:CJ1O5P3K3R6 HQ7X1O1N4D3 ZP2A3W9Y2N5文档编码:CJ1O5P3K3R6 HQ7X1O1N4D3 Z
22、P2A3W9Y2N5文档编码:CJ1O5P3K3R6 HQ7X1O1N4D3 ZP2A3W9Y2N5文档编码:CJ1O5P3K3R6 HQ7X1O1N4D3 ZP2A3W9Y2N5文档编码:CJ1O5P3K3R6 HQ7X1O1N4D3 ZP2A3W9Y2N5文档编码:CJ1O5P3K3R6 HQ7X1O1N4D3 ZP2A3W9Y2N5文档编码:CJ1O5P3K3R6 HQ7X1O1N4D3 ZP2A3W9Y2N5文档编码:CJ1O5P3K3R6 HQ7X1O1N4D3 ZP2A3W9Y2N5文档编码:CJ1O5P3K3R6 HQ7X1O1N4D3 ZP2A3W9Y2N5文档编码:CJ1O5
23、P3K3R6 HQ7X1O1N4D3 ZP2A3W9Y2N5文档编码:CJ1O5P3K3R6 HQ7X1O1N4D3 ZP2A3W9Y2N5文档编码:CJ1O5P3K3R6 HQ7X1O1N4D3 ZP2A3W9Y2N5文档编码:CJ1O5P3K3R6 HQ7X1O1N4D3 ZP2A3W9Y2N5文档编码:CJ1O5P3K3R6 HQ7X1O1N4D3 ZP2A3W9Y2N5文档编码:CJ1O5P3K3R6 HQ7X1O1N4D3 ZP2A3W9Y2N5文档编码:CJ1O5P3K3R6 HQ7X1O1N4D3 ZP2A3W9Y2N5文档编码:CJ1O5P3K3R6 HQ7X1O1N4D3 Z
24、P2A3W9Y2N5文档编码:CJ1O5P3K3R6 HQ7X1O1N4D3 ZP2A3W9Y2N5文档编码:CJ1O5P3K3R6 HQ7X1O1N4D3 ZP2A3W9Y2N5学习好资料欢迎下载点评：本题考查的是条形统计图和扇形统计图的综合运用，读懂统计图，从不同的统计图中得到必要的信息是解决问题的关键条形统计图能清楚地表示出每个项目的数据；扇形统计图直接反映部分占总体的百分比大小3.解：（1）由题意，得09303abcabcc解得123abc.抛物线的解析式为 y x22x3（2）由（1）可知 y（x1）2 4 顶点 D的坐标为（1，4）设其对称轴与x 轴的交点为E.SAOC12AO O
25、C 121332，S梯形 OEDC12（OC DE）OE 12（34）172，SDEB12EBDE 12244，S四边形 ABCDSAOCS梯形 OEDCS DEB3272494依题意，04)4(2k1 分解不等式得，4k2 分依题意，),0(kC3 分，从而)0,|(|kB5 分0|4|2kkk6 分0k时，032kk，解得3k；0k时，052kk，解得5k9 分（注：正确求得3k、5k中任何一个给 2 分，全对给 3 分）5（方法一）依题意，5ABAF，422ADAFDF2 分在CEFRt中，1DFCDCF，AFDDAFCFE0903分，DAFCFEcoscos4 分，所以AFADEFCF
26、5 分文档编码:CJ1O5P3K3R6 HQ7X1O1N4D3 ZP2A3W9Y2N5文档编码:CJ1O5P3K3R6 HQ7X1O1N4D3 ZP2A3W9Y2N5文档编码:CJ1O5P3K3R6 HQ7X1O1N4D3 ZP2A3W9Y2N5文档编码:CJ1O5P3K3R6 HQ7X1O1N4D3 ZP2A3W9Y2N5文档编码:CJ1O5P3K3R6 HQ7X1O1N4D3 ZP2A3W9Y2N5文档编码:CJ1O5P3K3R6 HQ7X1O1N4D3 ZP2A3W9Y2N5文档编码:CJ1O5P3K3R6 HQ7X1O1N4D3 ZP2A3W9Y2N5文档编码:CJ1O5P3K3R6
27、HQ7X1O1N4D3 ZP2A3W9Y2N5文档编码:CJ1O5P3K3R6 HQ7X1O1N4D3 ZP2A3W9Y2N5文档编码:CJ1O5P3K3R6 HQ7X1O1N4D3 ZP2A3W9Y2N5文档编码:CJ1O5P3K3R6 HQ7X1O1N4D3 ZP2A3W9Y2N5文档编码:CJ1O5P3K3R6 HQ7X1O1N4D3 ZP2A3W9Y2N5文档编码:CJ1O5P3K3R6 HQ7X1O1N4D3 ZP2A3W9Y2N5文档编码:CJ1O5P3K3R6 HQ7X1O1N4D3 ZP2A3W9Y2N5文档编码:CJ1O5P3K3R6 HQ7X1O1N4D3 ZP2A3W9Y
28、2N5文档编码:CJ1O5P3K3R6 HQ7X1O1N4D3 ZP2A3W9Y2N5文档编码:CJ1O5P3K3R6 HQ7X1O1N4D3 ZP2A3W9Y2N5文档编码:CJ1O5P3K3R6 HQ7X1O1N4D3 ZP2A3W9Y2N5文档编码:CJ1O5P3K3R6 HQ7X1O1N4D3 ZP2A3W9Y2N5文档编码:CJ1O5P3K3R6 HQ7X1O1N4D3 ZP2A3W9Y2N5文档编码:CJ1O5P3K3R6 HQ7X1O1N4D3 ZP2A3W9Y2N5文档编码:CJ1O5P3K3R6 HQ7X1O1N4D3 ZP2A3W9Y2N5文档编码:CJ1O5P3K3R6
29、HQ7X1O1N4D3 ZP2A3W9Y2N5文档编码:CJ1O5P3K3R6 HQ7X1O1N4D3 ZP2A3W9Y2N5文档编码:CJ1O5P3K3R6 HQ7X1O1N4D3 ZP2A3W9Y2N5文档编码:CJ1O5P3K3R6 HQ7X1O1N4D3 ZP2A3W9Y2N5文档编码:CJ1O5P3K3R6 HQ7X1O1N4D3 ZP2A3W9Y2N5文档编码:CJ1O5P3K3R6 HQ7X1O1N4D3 ZP2A3W9Y2N5文档编码:CJ1O5P3K3R6 HQ7X1O1N4D3 ZP2A3W9Y2N5文档编码:CJ1O5P3K3R6 HQ7X1O1N4D3 ZP2A3W9Y
30、2N5文档编码:CJ1O5P3K3R6 HQ7X1O1N4D3 ZP2A3W9Y2N5文档编码:CJ1O5P3K3R6 HQ7X1O1N4D3 ZP2A3W9Y2N5文档编码:CJ1O5P3K3R6 HQ7X1O1N4D3 ZP2A3W9Y2N5文档编码:CJ1O5P3K3R6 HQ7X1O1N4D3 ZP2A3W9Y2N5文档编码:CJ1O5P3K3R6 HQ7X1O1N4D3 ZP2A3W9Y2N5文档编码:CJ1O5P3K3R6 HQ7X1O1N4D3 ZP2A3W9Y2N5文档编码:CJ1O5P3K3R6 HQ7X1O1N4D3 ZP2A3W9Y2N5文档编码:CJ1O5P3K3R6
31、HQ7X1O1N4D3 ZP2A3W9Y2N5文档编码:CJ1O5P3K3R6 HQ7X1O1N4D3 ZP2A3W9Y2N5文档编码:CJ1O5P3K3R6 HQ7X1O1N4D3 ZP2A3W9Y2N5文档编码:CJ1O5P3K3R6 HQ7X1O1N4D3 ZP2A3W9Y2N5文档编码:CJ1O5P3K3R6 HQ7X1O1N4D3 ZP2A3W9Y2N5文档编码:CJ1O5P3K3R6 HQ7X1O1N4D3 ZP2A3W9Y2N5文档编码:CJ1O5P3K3R6 HQ7X1O1N4D3 ZP2A3W9Y2N5文档编码:CJ1O5P3K3R6 HQ7X1O1N4D3 ZP2A3W9Y
32、2N5文档编码:CJ1O5P3K3R6 HQ7X1O1N4D3 ZP2A3W9Y2N5文档编码:CJ1O5P3K3R6 HQ7X1O1N4D3 ZP2A3W9Y2N5文档编码:CJ1O5P3K3R6 HQ7X1O1N4D3 ZP2A3W9Y2N5学习好资料欢迎下载解得35ADAFCFEF，所以35EFBE7 分（方法二）依题意，5ABAF，422ADAFDF2 分设xBE，在CEFRt中，1DFCDCF，xBEEF，xCE33 分，222)3(1xx5 分，解得35xBE7 分EABEAFtantan8 分，31ABBE9 分6)0,4(A、)0,2(B、)4,0(C2 分（对 1-2 个给
33、1 分，全对 2 分）设)0,(xP（42x），因为ACPD/，所以ABBPACPD3 分，解得)2(322xPD4 分C 到 PD 的距离（即 P到 AC 的距离）)4(2245sin0 xPAd5 分PCD 的面积383231)4)(2(31212xxxxdPDS 6 分3)1(312xS，PCD 面积的最大值为 37 分PCD 的面积取最大值时，1x，34xPA，22)2(322xPD8 分因为PDPA，所以以 PA、PD 为邻边的平行四边形不是菱形9 分文档编码:CJ1O5P3K3R6 HQ7X1O1N4D3 ZP2A3W9Y2N5文档编码:CJ1O5P3K3R6 HQ7X1O1N4D
34、3 ZP2A3W9Y2N5文档编码:CJ1O5P3K3R6 HQ7X1O1N4D3 ZP2A3W9Y2N5文档编码:CJ1O5P3K3R6 HQ7X1O1N4D3 ZP2A3W9Y2N5文档编码:CJ1O5P3K3R6 HQ7X1O1N4D3 ZP2A3W9Y2N5文档编码:CJ1O5P3K3R6 HQ7X1O1N4D3 ZP2A3W9Y2N5文档编码:CJ1O5P3K3R6 HQ7X1O1N4D3 ZP2A3W9Y2N5文档编码:CJ1O5P3K3R6 HQ7X1O1N4D3 ZP2A3W9Y2N5文档编码:CJ1O5P3K3R6 HQ7X1O1N4D3 ZP2A3W9Y2N5文档编码:CJ
35、1O5P3K3R6 HQ7X1O1N4D3 ZP2A3W9Y2N5文档编码:CJ1O5P3K3R6 HQ7X1O1N4D3 ZP2A3W9Y2N5文档编码:CJ1O5P3K3R6 HQ7X1O1N4D3 ZP2A3W9Y2N5文档编码:CJ1O5P3K3R6 HQ7X1O1N4D3 ZP2A3W9Y2N5文档编码:CJ1O5P3K3R6 HQ7X1O1N4D3 ZP2A3W9Y2N5文档编码:CJ1O5P3K3R6 HQ7X1O1N4D3 ZP2A3W9Y2N5文档编码:CJ1O5P3K3R6 HQ7X1O1N4D3 ZP2A3W9Y2N5文档编码:CJ1O5P3K3R6 HQ7X1O1N4D
36、3 ZP2A3W9Y2N5文档编码:CJ1O5P3K3R6 HQ7X1O1N4D3 ZP2A3W9Y2N5文档编码:CJ1O5P3K3R6 HQ7X1O1N4D3 ZP2A3W9Y2N5文档编码:CJ1O5P3K3R6 HQ7X1O1N4D3 ZP2A3W9Y2N5文档编码:CJ1O5P3K3R6 HQ7X1O1N4D3 ZP2A3W9Y2N5文档编码:CJ1O5P3K3R6 HQ7X1O1N4D3 ZP2A3W9Y2N5文档编码:CJ1O5P3K3R6 HQ7X1O1N4D3 ZP2A3W9Y2N5文档编码:CJ1O5P3K3R6 HQ7X1O1N4D3 ZP2A3W9Y2N5文档编码:CJ
37、1O5P3K3R6 HQ7X1O1N4D3 ZP2A3W9Y2N5文档编码:CJ1O5P3K3R6 HQ7X1O1N4D3 ZP2A3W9Y2N5文档编码:CJ1O5P3K3R6 HQ7X1O1N4D3 ZP2A3W9Y2N5文档编码:CJ1O5P3K3R6 HQ7X1O1N4D3 ZP2A3W9Y2N5文档编码:CJ1O5P3K3R6 HQ7X1O1N4D3 ZP2A3W9Y2N5文档编码:CJ1O5P3K3R6 HQ7X1O1N4D3 ZP2A3W9Y2N5文档编码:CJ1O5P3K3R6 HQ7X1O1N4D3 ZP2A3W9Y2N5文档编码:CJ1O5P3K3R6 HQ7X1O1N4D
38、3 ZP2A3W9Y2N5文档编码:CJ1O5P3K3R6 HQ7X1O1N4D3 ZP2A3W9Y2N5文档编码:CJ1O5P3K3R6 HQ7X1O1N4D3 ZP2A3W9Y2N5文档编码:CJ1O5P3K3R6 HQ7X1O1N4D3 ZP2A3W9Y2N5文档编码:CJ1O5P3K3R6 HQ7X1O1N4D3 ZP2A3W9Y2N5文档编码:CJ1O5P3K3R6 HQ7X1O1N4D3 ZP2A3W9Y2N5文档编码:CJ1O5P3K3R6 HQ7X1O1N4D3 ZP2A3W9Y2N5文档编码:CJ1O5P3K3R6 HQ7X1O1N4D3 ZP2A3W9Y2N5文档编码:CJ
39、1O5P3K3R6 HQ7X1O1N4D3 ZP2A3W9Y2N5文档编码:CJ1O5P3K3R6 HQ7X1O1N4D3 ZP2A3W9Y2N5文档编码:CJ1O5P3K3R6 HQ7X1O1N4D3 ZP2A3W9Y2N5文档编码:CJ1O5P3K3R6 HQ7X1O1N4D3 ZP2A3W9Y2N5文档编码:CJ1O5P3K3R6 HQ7X1O1N4D3 ZP2A3W9Y2N5文档编码:CJ1O5P3K3R6 HQ7X1O1N4D3 ZP2A3W9Y2N5文档编码:CJ1O5P3K3R6 HQ7X1O1N4D3 ZP2A3W9Y2N5文档编码:CJ1O5P3K3R6 HQ7X1O1N4D3 ZP2A3W9Y2N5文档编码:CJ1O5P3K3R6 HQ7X1O1N4D3 ZP2A3W9Y2N5