解题方法
1 . 设椭圆
的焦点在
轴上,且椭圆
的焦距为4.
(1)求椭圆
的标准方程;
(2)过椭圆外一点
作倾斜角为
的直线
与椭圆交于
两点,若椭圆
的右焦点
在以弦
为直径的圆的内部,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a03a3e5585f2eb08f6184a68ea7bc14.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
(1)求椭圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
(2)过椭圆外一点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/316c0ef3672ad1630cd566b4de75160f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3e3b9a20c31e397ae1dc8a44baf7de91.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/39acab3cfb59bfc9591371721ab01d93.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次
2017-05-08更新
|
571次组卷
|
2卷引用:贵州省贵阳市2017年高三适应性考试(二)文科数学试题
名校
解题方法
2 . 已知圆
与直线
相切,点
为圆
上一动点,
轴于点
,且动点
满足
,设动点
的轨迹为曲线
.
(1)求动点
的轨迹曲线
的方程;
(2)若直线
与曲线
相交于不同的两点
、
且满足以
为直径的圆过坐标原点
,求线段
长度的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1766352f8ae0b84fe0667789a0e9ef7a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f222273e7f7c95dc9c9fea13501f4a80.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/98c6d3c0306e3b51c4c0db7d26b85b3f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/abeae2da784ba95c26a2224e08f104db.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(1)求动点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)若直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a5f1641947153c80b987320885a2b57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a5f1641947153c80b987320885a2b57.png)
您最近一年使用:0次
2017-05-07更新
|
423次组卷
|
4卷引用:贵州省铜仁市第四中学2017年高三适应性测试(理)数学试题
名校
解题方法
3 . 在平面直角坐标系
中,椭圆
:
在
轴正半轴上的焦点为
,过
且倾斜角为
的直线
与
交于
两点,四边形
为平行四边形.
(1)判断点
与椭圆的位置关系;
(2)求平行四边形
的面积.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee31829d0d4d5f779a957d7df8058ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cb9776de993951025bdcaac8c7cdff8e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c3b199d124fb9a5bc8438c9884f04534.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7789a500686c7a73770404ead6af0590.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c40b8789cc8d81b3cf64f0b318ab982a.png)
(1)判断点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
(2)求平行四边形
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c40b8789cc8d81b3cf64f0b318ab982a.png)
您最近一年使用:0次
2017-05-03更新
|
576次组卷
|
2卷引用:贵州省贵阳市第一中学、凯里市第一中学2017届高三下学期高考适应性月考卷(七)数学(文)试题
名校
解题方法
4 . 已知椭圆
:
的一个顶点的坐标为
,且右焦点
到直线
的距离为
.
(1)求椭圆
的标准方程;
(2)是否存在斜率为2的直线
,使得当直线
与椭圆
有两个不同交点
时,能在直线
上找到一点
,在椭圆
上找到一点
,满足
?若存在,求出直线
的方程;若不存在,请说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48da128547c4cf9745e8e4b99988a3db.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3953bfeb398bab2b2ba61b3e6bf0a22e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1b979396a703fb14715ba39232f5786a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf298f00799cbf34b4db26f5f63af92f.png)
(1)求椭圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)是否存在斜率为2的直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7789a500686c7a73770404ead6af0590.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e9f9428864d06b1b3a3175b75572e2ca.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/40296b0dad376d9d6ae316ce58a0b107.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
您最近一年使用:0次
5 . 椭圆
的左右焦点分别为
,点
在椭圆
上,满足
.
(1)求椭圆
的方程.
(2)设过点
的直线
与椭圆
相交于不同的两点
,且
在
之间,设
,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fd72321801f7ce55ed0330289dd7c577.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/122ba80be450e578bef55b932232e884.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8970f1537aa3a01d0a07c1e1e6fcddbc.png)
(1)求椭圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)设过点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9dafeb4e39c40f8ae72490375c76f42e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6670479a0083dd2dfd5ad55b47b1ab6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/77f8be504cdda71d9127e5d6869ac31e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/72cbf41e89edd2f0efa72807826050b5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df64046e91b047037f19e4032e3b6de3.png)
您最近一年使用:0次
名校
6 . 已知椭圆
,一个顶点为
,离心率为
,直线
与椭圆
交于不同的两点
两点.
(1)求椭圆
的方程;
(2)当
的面积为
时,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1497ffc1b18295b5f12c4a566a3285e2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/888a6b10db4d81e5d2ba969fb576bd78.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8d5989c84e320b504511f23eeb6e7357.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a5510207df7154e4f25fbe8722441313.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/720eca6dda7eecc59faa6c65f42e4618.png)
(1)求椭圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9f1407e16443688949ac65941e871d64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0635e4c874dbfc825af0b2d570f5041.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
您最近一年使用:0次
2016-12-13更新
|
2080次组卷
|
5卷引用:2017届贵州遵义市高三上学期期中数学(文)试卷
7 . 已知椭圆
,设
为椭圆上一点,且
,
.
(Ⅰ)求
;
(Ⅱ)若
,
,是否存在以
为直角顶点的内接于椭圆的等腰直角三角形?若存在,请求出共有几个?若不存在,请说明理由.
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48da128547c4cf9745e8e4b99988a3db.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d124b231bf2cd3746f35e6c68cd7178f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/772076687f17758d488475936ba65485.png)
(Ⅰ)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
(Ⅱ)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e258ab9e600435b37465092243d99f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2bfdab8b0494d22a788fd0a34258abd1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
.
您最近一年使用:0次
2016-12-04更新
|
822次组卷
|
2卷引用:贵州省三穗县民族高级中学2021-2022学年高二上学期期末考试数学(理)试题
名校
8 . 已知点
为圆
的圆心,
是圆上的动点,点
在圆的半径
上,且有点
和
上的点
,满足
.
(Ⅰ)当点
在圆上运动时,判断
点的轨迹是什么?并求出其方程;
(Ⅱ)若斜率为
的直线
与圆
相切,与(Ⅰ)中所求点
的轨迹交于不同的两点
,且
(其中
是坐标原点)求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d4163dfc4dbe1fa357eceeff6728f4e5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63a253c7fdf589ee3dece13d5b5b5732.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a8748dc55e2f45bc37fc4d84d7310f79.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20a541b81584a032f571159ea152c85a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a4a364a55435d12ba07e51ef01f875aa.png)
(Ⅰ)当点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
(Ⅱ)若斜率为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f240cccaf24af8a796abb95cb42be52e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/92f8accdb21a85e7251360bdb6b6953a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/943e9d4120038954f97b9db2a26b170c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
您最近一年使用:0次
2016-12-04更新
|
3202次组卷
|
17卷引用:【全国百强校】贵州省遵义航天高级中学2019届高三第五次模拟考试数学(理)试题
【全国百强校】贵州省遵义航天高级中学2019届高三第五次模拟考试数学(理)试题2017届湖南长沙长郡中学高三摸底考试数学(理)试卷2017届湖南长沙长郡中学高三摸底测试数学(理)试卷(已下线)黄金30题系列 高二年级数学(理) 大题好拿分【提升版】(已下线)黄金30题系列 高二年级数学(文) 大题好拿分【提升版】(已下线)黄金30题系列 高二年级数学江苏版 大题好拿分【提升版】四川省成都市第七中学2018届高三上学期一诊模拟数学理试卷2018届高三数学训练题(34):平面向量综合练 四川省南充市2018届高三第二次(3月)高考适应性考试数学理试题【全国市级联考】山东省肥城市2018届高三适应性训练数学(理)试题(已下线)2019年一轮复习讲练测 5.4 应用向量方法解决简单的平面几何问题【浙江版】 【练】【全国百强校】四川省棠湖中学2018-2019学年高二上学期第三次月考数学(理)试题【全国百强校】四川省棠湖中学2018-2019学年高二上学期第三次月考数学(文)试题吉林省长春市德惠市九校2019-2020学年高二上学期期中数学(理)试题吉林省吉化第一高级中学校2019-2020学年高二上学期期中数学(理)试题四川省泸州市合江县马街中学校2024届高三上学期期末数学(理)试题四川省泸州市合江县马街中学校2024届高三上学期期末数学(文)试题
2012·湖北·三模
9 . 如图,椭圆长轴的端点为
为椭圆的中心,
为椭圆的右焦点,且
,
.
![](https://img.xkw.com/dksih/QBM/2016/2/23/1572493558308864/1572493564444672/STEM/f596ca86095a4da69808f42f30726aad.png?resizew=189)
(1)求椭圆的标准方程;
(2)记椭圆的上顶点为
,直线
交椭圆于
两点,问:是否存在直线
,使点
恰为
的垂心,若存在,求出直线
的方程;若不存在,请说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef644115c956ed62c3da8310c6f67ecd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a4a26e30a3d52743ca305b19e8659886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3cbfb5bebf30239007792660feef35e8.png)
![](https://img.xkw.com/dksih/QBM/2016/2/23/1572493558308864/1572493564444672/STEM/f596ca86095a4da69808f42f30726aad.png?resizew=189)
(1)求椭圆的标准方程;
(2)记椭圆的上顶点为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f6bce3d91ca23b86d8c6625f2632e437.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e99675fa03da205c4499967c9d908412.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
您最近一年使用:0次
名校
10 . 如图,曲线
由上半椭圆
和部分抛物线
连接而成,
的公共点为
,其中
的离心率为
.
![](https://img.xkw.com/dksih/QBM/editorImg/2024/6/3/644075a5-d5bb-4b0a-b725-27c3630524b2.png?resizew=163)
(Ⅰ)求
的值;
(Ⅱ)过点
的直线
与
分别交于
(均异于点
),若
,求直线
的方程.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0f619f9952a6b29614bfaa63ca0018e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8090a3463085999b5314b61c42efa047.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8b095dae4b5d339d340cb6e06b33ad5a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/21e9feabc99f62ee569b460e61526e2e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/860884c0017c8bceb5b0edff796c144f.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/6/3/644075a5-d5bb-4b0a-b725-27c3630524b2.png?resizew=163)
(Ⅰ)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/632244ea6931507f8656e1cc3437d392.png)
(Ⅱ)过点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/21e9feabc99f62ee569b460e61526e2e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f6bce3d91ca23b86d8c6625f2632e437.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/70e8b17a7840ae7b75590da92fa0965b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
您最近一年使用:0次
2016-12-03更新
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2432次组卷
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12卷引用:贵州省思南中学2016-2017学年高二下学期期末考试数学(理)试题
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