2014·吉林·一模
名校
1 . 已知椭圆E:![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d7aea48c44781a844b5c19191f70f61.png)
的离心率
,并且经过定点![](https://staticzujuan.xkw.com/quesimg/Upload/formula/306e0d78368fdabddeab65f7d246c454.png)
(1)求椭圆E的方程;
(2)问是否存在直线
,使直线与椭圆交于A,B两点,满足
若存在求m值,若不存在说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d7aea48c44781a844b5c19191f70f61.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f82eb4ba631d0f50d848aa6e576b379.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5de85df85401e7e8da683ea4a784963c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/306e0d78368fdabddeab65f7d246c454.png)
(1)求椭圆E的方程;
(2)问是否存在直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b2b74381f68eb1e33d412a7a3d62313f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3825ccc273ef9a672a606432d165b866.png)
您最近一年使用:0次
2020-11-21更新
|
695次组卷
|
6卷引用:2015届吉林省吉林市高三第一次摸底考试理科数学试卷
名校
解题方法
2 . 已知椭圆
,直线
分别与
轴
轴交于
两点,与椭圆交于
两点.
(1)若
,求直线
的方程;
(2)若点
的坐标为
求
面积的最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c46ab26e2d950296e9edb81bb20bdcff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4a1b9dbf8727582c9af678fb55d33d37.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7789a500686c7a73770404ead6af0590.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11426cd3324dc2ca52fa622dacd9cf0e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
(2)若点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2288f791efa574eec41d20430a83e9fe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2205cffebf8c4d5f81d15ed7b85c8936.png)
您最近一年使用:0次
2020-09-21更新
|
645次组卷
|
7卷引用:吉林省长春市普通高中2021届高三一模数学理科试题
吉林省长春市普通高中2021届高三一模数学理科试题吉林省长春市普通高中2021届高三一模数学文科试题吉林省长春市2021届高三质量监测理科数学一模试题吉林省长春市2021届高三质量监测文科数学一模试题(已下线)【南昌新东方】江西省南昌十七中2020-2021学年高三上学期10月第一次月考数学(理)试题(已下线)【南昌新东方】江西省南昌十七中2020-2021学年高二上学期10月文科数学试题13甘肃省酒泉市玉门市2021-2022学年高三上学期期中数学试题
名校
解题方法
3 . 已知椭圆C:
的左、右焦点分别为
,
,椭圆C短轴两顶点和两焦点构成的四边形为正方形,且周长为
,经过
与坐标轴不垂直的直线l交椭圆于M,N两点.
(1)求椭圆C的标准方程;
(2)当点
,满足
时,求直线l的方程.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48da128547c4cf9745e8e4b99988a3db.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e82fe25db889399bb3ca4ffd5dd5db84.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a61d572ecf27dc02fcbd588f24647b1d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4e2031d209711b058f3d278ede3c1d33.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a61d572ecf27dc02fcbd588f24647b1d.png)
(1)求椭圆C的标准方程;
(2)当点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d3dbc64e718560487283143afb0f968a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5e849753c1b4bbab8327c5ade6cc2469.png)
您最近一年使用:0次
名校
4 . 已知
为坐标原点,直线
过椭圆
右焦点
且交椭圆于
两点,
为直线
上动点,当
时,直线
平分线段![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
(1)求椭圆方程;
(2)记直线
斜率分别为
,直线
斜率为
,求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f51698f7095e795d4f0527b986ac1db2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/916b1f2edc24dcb69b9ec0c4bc0cad13.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f23d29646155e27b172ecdf263e2d702.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f5d815756edfe559ad70a50c600a6b6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/abd13974aebe38eb2a1d744a01ea5aa5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
(1)求椭圆方程;
(2)记直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/790ef3382b1c731f2885eecfd92c2a86.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/90963760acac7bfad3ae03088c6c80b0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fb26d84907c923278ac4626a9d58947.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/805b0358a42c5360ee23fa84068a3ecd.png)
您最近一年使用:0次
名校
解题方法
5 . 已知抛物线
与过点
的直线
交于
两点.
(1)若
,求直线
的方程;
(2)若
,
轴,垂足为
,探究:以
为直径的圆是否过定点?若是,求出该定点的坐标;若不是,请说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1bb4dd4670828f75bc573b52cdd02e1d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a812a9b58ccba331cfd21d244329af01.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7789a500686c7a73770404ead6af0590.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/58a1f104a61443087fe9ae9481d47c53.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/04cfb624767e0fdee6b8c1a755816376.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b28144f4eee678c7f2688b21261149d1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a5f1641947153c80b987320885a2b57.png)
您最近一年使用:0次
2020-04-19更新
|
532次组卷
|
6卷引用:2020年普通高等学校招生全国统一考试伯乐马模拟考试(三)文科数学试题
名校
解题方法
6 . 已知椭圆
的右焦点为
,过
作
轴的垂线交椭圆
于点
(点
在
轴上方),斜率为
的直线交椭圆
于
两点,过点
作直线
交椭圆
于点
,且
,直线
交
轴于点
.
(1)设椭圆
的离心率为
,当点
为椭圆
的右顶点时,
的坐标为
,求
的值.
(2)若椭圆
的方程为
,且
,是否存在
使得
成立?如果存在,求出
的值;如果不存在,请说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/74f3c409c807d57ec86a191d236ed343.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3fb78c5f885034612c0e030b920143d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3fb78c5f885034612c0e030b920143d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9de1099d677975b416e0678fcd32af27.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36c4559d27e3905980d1a4f1856f07de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
(1)设椭圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/168b3e4b1d6f04226fa2687a72a268b4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68e485bd3bd730449b06e107ae9d606e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/168b3e4b1d6f04226fa2687a72a268b4.png)
(2)若椭圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/271e595c257e4c0ade90a9bbbf0e6b0d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7b0375529d09a6349cbdd53006690aa4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f35f23d689ae20dc153307ee21c8ee3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
您最近一年使用:0次
2020-04-06更新
|
440次组卷
|
5卷引用:2019届吉林省吉化第一高级中学校高三下学期第三次模拟数学(理)试题
2019届吉林省吉化第一高级中学校高三下学期第三次模拟数学(理)试题【校级联考】河南、河北两省重点高中2019届高三考前预测数学(理)试题辽宁省朝阳市建平县2018-2019学年高二下学期期末数学试题湖南省衡阳市第八中学2019-2020学年高三下学期2月网上月考数学(理)试题(已下线)理科数学-2020年高考押题预测卷02(新课标Ⅰ卷)《2020年高考押题预测卷》
7 . 已知椭圆
:
过点
,过坐标原点
作两条互相垂直的射线与椭圆
分别交于
,
两点.
(1)证明:当
取得最小值时,椭圆
的离心率为
.
(2)若椭圆
的焦距为2,是否存在定圆与直线
总相切?若存在,求定圆的方程;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/7dd54b9df3402ad91e2d34c40efe0c7a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ea2de52259b426acb42761fec59a7748.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
(1)证明:当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/311dbbc95c35e023fb721d53c8dfc2db.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8d5989c84e320b504511f23eeb6e7357.png)
(2)若椭圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411461db15ee8086332c531e086c40c7.png)
您最近一年使用:0次
2020-02-01更新
|
1396次组卷
|
11卷引用:吉林省通钢一中、集安一中、梅河口五中等省示范高中2020届高三(5月份)高考数学(文科)模拟试题
吉林省通钢一中、集安一中、梅河口五中等省示范高中2020届高三(5月份)高考数学(文科)模拟试题2020届河南省高三3月联合检测数学(文科)试题2020届河南省驻马店市高三第二次模拟测试数学(理科)试题2020届河南省驻马店市高三第二次模拟测试数学(文科)试题2020届河南省高三上学年期末数学(文科)试题2020届河南省高三上学期末数学理科试题2020届河南省高三3月联合检测数学(理科)试题(已下线)专题05 圆锥曲线中的证明问题、探究性问题(第五篇)-2020高考数学压轴题命题区间探究与突破陕西省汉中市重点中学2019-2020学年高三下学期4月开学第一次联考数学(文)试题(已下线)专题01 解析几何(第三篇)-备战2020高考数学黄金30题系列之压轴题(新课标版)(已下线)专题09 解析几何中的探索性问题(第五篇)-备战2020年高考数学大题精做之解答题题型全覆盖
名校
解题方法
8 . 已知椭圆C的两个焦点为F1(-1,0),F2(1,0),且经过点E
.
(1)求椭圆C的标准方程;
(2)过点F1的直线l与椭圆C交于A,B两点(点A位于x轴上方),若
,且2≤λ<3,求直线l的斜率k的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4f09608e82496b033260bbb23a9ef992.png)
(1)求椭圆C的标准方程;
(2)过点F1的直线l与椭圆C交于A,B两点(点A位于x轴上方),若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/67d5b5ffa67d3729bf5508eccb1b2af8.png)
您最近一年使用:0次
2020-01-21更新
|
659次组卷
|
8卷引用:吉林省长春市普通高中2018届高三质量监测(一) 数学(理科)试题
吉林省长春市普通高中2018届高三质量监测(一) 数学(理科)试题吉林省长春市普通高中2018届高三一模考试数学(理)试题贵州省六盘水市2020届高三高考冲刺卷数学(理)试题(已下线)专题9.10 第九章 平面解析几何 单元测试(测)【理】-《2020年高考一轮复习讲练测》人教B版(2019) 选择性必修第一册 必杀技 第二章 平面解析几何 专题5 与圆锥曲线有关的取值范围(最值)问题、定点与定值问题人教A版(2019) 选择性必修第一册 必杀技 第三章 圆锥曲线的方程 3.1 椭圆 第3.1节 综合训练(已下线)专题9.9 高考解答题热点题型(一)圆锥曲线中的范围、最值问题-2021年高考数学(理)一轮复习-题型全归纳与高效训练突破吉林省白山市抚松县第一中学2023-2024学年高二上学期11月月考数学试题
名校
9 . 如图,焦点在
轴上的椭圆
,焦距为
,椭圆的顶点坐标为
,
.
![](https://img.xkw.com/dksih/QBM/2019/6/6/2219840667648000/2219876929937408/STEM/2260788179344e549b0836e652a11b91.png?resizew=230)
(1)求椭圆
的方程;
(2)点
为
轴上一点,过
作
轴的垂线交椭圆
于不同的两点
,
,过
作
的垂线交
于点
,求
与
的面积之比.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4e2031d209711b058f3d278ede3c1d33.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2ee80939187a84e1863eeb192a301c29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76d03fa28c117649b0fdfe17eed7b583.png)
![](https://img.xkw.com/dksih/QBM/2019/6/6/2219840667648000/2219876929937408/STEM/2260788179344e549b0836e652a11b91.png?resizew=230)
(1)求椭圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d50703c46b6153945d718b198f03b4b5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7785afeeaf274892253d04b4f693b367.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0222d3ec99bc21b586b083bd9d67b225.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4e787130d60729f8dd0ade367e9f23c4.png)
您最近一年使用:0次
2018-01-16更新
|
964次组卷
|
4卷引用:吉林省普通中学2017-2018学年高三第二次调研测试数学(文)
名校
解题方法
10 . 已知椭圆
的两个焦点为
,且经过点
.
(1)求椭圆
的方程;
(2)过
的直线
与椭圆
交于
两点(点
位于
轴上方),若
,求直线
的斜率
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e5439f5ff9bd5deec0f0ef35c6f605b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a957990345760c8d109d2d9ff8675f7a.png)
(1)求椭圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)过
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5076289823db419f94e9c0c8f4aafd9.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/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf3e0d4fc412a1bc543fa6a74e5bbba2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
您最近一年使用:0次
2017-09-15更新
|
1780次组卷
|
4卷引用:吉林省长春市普通高中2018届高三一模考试卷(文科)数学试题