名校
1 . 已知动点
在抛物线
:
,动点Q在圆
:
上,且
之间距离的最小值为
.
(1)求抛物线
和圆
的方程;
(2)抛物线
上是否存在三点
,使得
外切于圆
?若存在,求出
三点的坐标;若不存在,请说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3764ba3aa0a241787f4661026bb14053.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a64fab6c8f3bc2b5c4a229ea39e6ae5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f6bce3d91ca23b86d8c6625f2632e437.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bdaa19de263700a15fcf213d64a8cd57.png)
(1)求抛物线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
(2)抛物线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24e0c10fb103930eabd5fa18e8f9bb06.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24e0c10fb103930eabd5fa18e8f9bb06.png)
您最近一年使用:0次
解题方法
2 . 已知抛物线
,其焦点
与准线的距离为
,若直线
与
交于
两点(直线
不垂直于
轴),且直线
与
另一个交点为
,直线
与
另一个交点
.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/27/61661880-6389-49a0-8287-b55eeb567da2.png?resizew=189)
(1)求抛物线
的方程;
(2)若点
,满足
恒成立,求证:直线
过定点.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/04c42d88e496a17562d25195301e0ac2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6f8c4c029e552954bd493b49aeab82d5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e9b0f5f44abbc6544a2f672b025b013.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab609a6574633ebabcff3e73fa862081.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/274cf35acb4a1748d15c39d15a9bea7b.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/4cae70b8a9d2d2e96dea62c00ced04b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/27/61661880-6389-49a0-8287-b55eeb567da2.png?resizew=189)
(1)求抛物线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
(2)若点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2d8350efd6636002f417d721fc87a126.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/71faccbe39fdc2f5e4cdc5a07538c7ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
您最近一年使用:0次
3 . 如图,曲线
是以原点
为中心,
、
为焦点的椭圆的一部分,曲线
是以
为顶点、
为焦点的抛物线的一部分,
是曲线
和
的一个交点,且
为钝角,
,
.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/17/b2180212-f587-46db-a270-5c682a653b7c.png?resizew=165)
(1)求曲线
和
所在椭圆和抛物线的方程;
(2)过
作一条与
轴不垂直的直线,分别和曲线
和
交于
、
、
、
四点,若
为
的中点,
为
的中点,
是否为定值?若是,请求出此定值;若不是,请说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5076289823db419f94e9c0c8f4aafd9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3fb78c5f885034612c0e030b920143d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3fb78c5f885034612c0e030b920143d.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/23f3ffe7abc59e2f65d827c8eab8d36a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3b6aed841835686697e79d1a63d15801.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b2171474a6b2d0190ab020239f3a34ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/574720fedc4e3dd05b6c7b0f32c90267.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/17/b2180212-f587-46db-a270-5c682a653b7c.png?resizew=165)
(1)求曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
(2)过
![](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/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.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/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/895dc3dc3a6606ff487a4c4863e18509.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73465a1f9aa03481295bf6bd3c6903ac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85c4bdfb0db1e31e8459df1d15f9ab55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1f206e038a6ced3ebf5bd30254118299.png)
您最近一年使用:0次
2022-11-10更新
|
700次组卷
|
6卷引用:内蒙古2022-2023学年高三上学期10月大联考数学(文科)试题
解题方法
4 . 已知抛物线C的顶点在坐标原点,焦点在y轴的正半轴上,直线l:
经过抛物线C的焦点.
(1)求抛物线C的方程;
(2)若直线l与抛物线C相交于A,B两点,过A,B两点分别作抛物线C的切线,两条切线相交于点P,求△ABP面积的最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d52b2c4d2f8e699ac4b2b4565667b11.png)
(1)求抛物线C的方程;
(2)若直线l与抛物线C相交于A,B两点,过A,B两点分别作抛物线C的切线,两条切线相交于点P,求△ABP面积的最小值.
您最近一年使用:0次
2022-08-22更新
|
740次组卷
|
6卷引用:贵州省贵阳市2023届高三上学期8月摸底考试数学(文)试题
5 . 如图,已知点
为抛物线![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9fc58c62444bf42a25289c45425a00f2.png)
的焦点.过点F的直线交抛物线于A,B两点,点A在第一象限,点C在抛物线上,使得
的重心G在x轴上,直线
交x轴于点Q,且Q在点F的右侧,记
,
的面积分别为
,
.
![](https://img.xkw.com/dksih/QBM/2022/8/4/3037105577558016/3042714526654464/STEM/bf67e370a34b401f8523c86995aff737.png?resizew=185)
(1)求p的值及抛物线的准线方程;
(2)设A点纵坐标为
,求
关于t的函数关系式;
(3)求
的最小值及此时点G的坐标.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/092fd1b1d33979818300cd2e3699bff7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9fc58c62444bf42a25289c45425a00f2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/75de1947893e5c7a4d98d4458398fd6e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7572ecc467c061ef71cf4486ec63ec3e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22ea53e1a6ae39dfaefbcd787a08b2ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e097c8d4c948de063796bd19f85b3a9a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1e0bd63f55069a3bc870915010b39225.png)
![](https://img.xkw.com/dksih/QBM/2022/8/4/3037105577558016/3042714526654464/STEM/bf67e370a34b401f8523c86995aff737.png?resizew=185)
(1)求p的值及抛物线的准线方程;
(2)设A点纵坐标为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/90dffc8f00c4e34f8113ba86977c3136.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/235f0a6fb218d28383e6f27f2df1f50f.png)
(3)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/235f0a6fb218d28383e6f27f2df1f50f.png)
您最近一年使用:0次
2022-08-12更新
|
878次组卷
|
4卷引用:上海市松江一中2022届高三下学期3月阶段测试数学试题
上海市松江一中2022届高三下学期3月阶段测试数学试题(已下线)第15讲 抛物线 - 1(已下线)专题3.13 直线与抛物线的位置关系-重难点题型精讲-2022-2023学年高二数学举一反三系列(人教A版2019选择性必修第一册)黑龙江省鹤岗市第一中学2022-2023学年高二上学期期中数学试题
解题方法
6 . 如图,已知F是抛物线
的焦点,过点F的直线与抛物线交于A,B两点,与圆O交于C,D两点(点A,C在第一象限),
.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/6/18/ef9cd8b5-4daf-49c5-9d77-56fddafb07e7.png?resizew=248)
(1)求抛物线的方程;
(2)若
,求凹四边形
面积的最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3764ba3aa0a241787f4661026bb14053.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/75c9512a5409d8763e194e10953371a6.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/6/18/ef9cd8b5-4daf-49c5-9d77-56fddafb07e7.png?resizew=248)
(1)求抛物线的方程;
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3cd82bf82c3254c27b00f65b9a697e0d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ea96803d06a0d628e492b8d4edb2a02c.png)
您最近一年使用:0次
名校
解题方法
7 . 如图,已知椭圆
,抛物线
,O为坐标原点.
![](https://img.xkw.com/dksih/QBM/2022/6/6/2995459360251904/2996768725180416/STEM/4a5c6a69555d43e6805f9f738a81e641.png?resizew=221)
(1)若抛物线
的焦点正好为椭圆
的上顶点,求p的值;
(2)椭圆
与抛物线
在第一象限的交点为
,过点P但不过原点的的直线l交椭圆
于点Q,交抛物线
于点M(Q,M不同于点P),若M是线段PQ的中点,求p的最大值,并求当p取最大时直线l的斜率.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6533a2123bcaa8c7dcd36d5e3f37700f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4e393b3e36390b1354950e2cfccc4967.png)
![](https://img.xkw.com/dksih/QBM/2022/6/6/2995459360251904/2996768725180416/STEM/4a5c6a69555d43e6805f9f738a81e641.png?resizew=221)
(1)若抛物线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
(2)椭圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/caf0d139c9810361b4971904a943856b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
您最近一年使用:0次
名校
解题方法
8 . 已知抛物线
的焦点F到其准线的距离为4,椭圆
经过抛物线
的焦点F.
(1)求抛物线
的方程及a;
(2)已知O为坐标原点,过点
的直线l与椭圆
相交于A,B两点,若
,点N满足
,且
最小值为
,求椭圆
的离心率.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4f80080fac68745fe783b879cccb6140.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3a2cfc8743c915f45bdccca70ab16648.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
(1)求抛物线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
(2)已知O为坐标原点,过点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48d25e70d37af93796965efc8d342185.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/84f90de0be5e4797f7956abee8eaab94.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/938aba8cefcaa5ee9b7d4ed2ceb67f64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/291a0231b8630f8eda4245105ef7c38b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/feb16d1089cf194d658387742e1c2a93.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
您最近一年使用:0次
2022-06-06更新
|
2852次组卷
|
9卷引用:吉林省吉林市普通高中2022届高三第四次调研测试理科数学试题
吉林省吉林市普通高中2022届高三第四次调研测试理科数学试题吉林省吉林市2022届高三第四次调研测试数学(理)试题(已下线)专题12 定比点差法及其应用 微点1 定比点差法及其应用初步(已下线)专题7 解决曲线的几何性质的运算(提升版)(已下线)专题33 圆锥曲线中的向量问题-1四川省宜宾市叙州区第二中学校2023届高三适应性考试数学(理)试题四川省宜宾市叙州区第二中学校2023届高三适应性考试数学(文)试题四川省眉山市仁寿第一中学2023-2024学年高三上学期摸底测试(一)文科数学试题(已下线)专题18 圆锥曲线高频压轴解答题(16大题型)(练习)
9 . 抛物线
的焦点为
,准线为
A为C上的一点,已知以
为圆心,
为半径的圆
交
于
两点,
的面积为
,求
的值及圆
的方程
(2)若直线
与抛物线C交于P,Q两点,且
,准线
与y轴交于点S,点S关于直线PQ的对称点为T,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/82ea1be9b9b6bb12afa7e1ce703d1603.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94dd3389ea93571b83778bf5ed904d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/12a477603f3f88c3b48352b6130f9ad5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fbdb21011ea821b91d539cb763aac649.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/982a5ebd53f287e742f726cf9fd8c687.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4e2031d209711b058f3d278ede3c1d33.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
(2)若直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c15fb18163df0690365a0d2e7ee88f5a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cc7df99fe6438442a9453fc0c57fb703.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6956038a69bcefcf32b25917c0faf29.png)
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11卷引用:浙江省绍兴市春晖中学2022届高三下学期5月高考适应性考试数学试题
浙江省绍兴市春晖中学2022届高三下学期5月高考适应性考试数学试题湖北省九校教研协作体2023届高三上学期起点考试数学试题浙江省名校协作体2022-2023学年高三上学期适应性联合考试数学试题(已下线)专题12 解析几何3(已下线)9.5 三定问题及最值(精讲)(已下线)3.3.2 抛物线的几何性质(难点)-2022-2023学年高二数学《基础·重点·难点 》全面题型高分突破(苏教版2019选择性必修第一册)(已下线)第7讲:圆锥曲线的模型【练】(已下线)黄金卷03山东省菏泽市2022-2023学年高二上学期期末数学试题广东省汕头市潮阳区棉城中学2023-2024学年高二上学期数学竞赛试题浙江省杭州第二中学2023-2024学年高二下学期期中考试数学试题
10 . 过原点O的直线与抛物线
交于点A,线段OA的中点为M,又点
,
.在下面给出的三个条件中任选一个填在横线处,并解答下列问题:
①
,②
;③
的面积为
.
(1)已知_________,求抛物线C的方程;(注:如果选择多个条件分别解答,按第一个解答计分.)
(2)已知点
,设A,B是曲线C上横坐标不等于1的两个不同的动点,直线PA,PB与y轴分别交于D,E两点,线段DE的垂直平分线经过点P.证明:直线AB的斜率为定值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7e6c830bfa9a1b979a1a9665166424bf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/43b7fcca9a5964c92636fae8e6a3a857.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1a646fb1459ac2adb931234b6e4f57a2.png)
①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e9147a424f8bec414baac468fdce2d62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e8eacdaa6358a76fd586203096690d32.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d4f02028a3847c4807c2d3cf0ea7efb8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ec978eb43bc4f9e7df83b0d0195dcda.png)
(1)已知_________,求抛物线C的方程;(注:如果选择多个条件分别解答,按第一个解答计分.)
(2)已知点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9dbcf0320d94734aedd3d4e2e31b9827.png)
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4卷引用:四川省泸州市泸县第二中学教育集团2022届高考仿真考试(三)理科数学试题
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