名校
1 . 已知椭圆
的左、右焦点
,
恰好是双曲线
的左右顶点,过点
的直线交直线
交椭圆于A,B两点(点A在x轴上方),当
轴时,直线
在y轴上的截距为
.
(1)求椭圆的标准方程;
(2)椭圆上是否存在点M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/4da9e773794ceca2d3a48713f5b63192.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/37626bfce08d5405f91d8a118db8ee77.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3fb78c5f885034612c0e030b920143d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/165a501b2e6a3acc46212e59a166c053.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cabea664e61863b3b3279dbce607924e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/821309f088a175c00dc0f4828334503d.png)
(1)求椭圆的标准方程;
(2)椭圆上是否存在点M满足:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d5bb380097c89638d25c913c756383ac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
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2021-05-28更新
|
476次组卷
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4卷引用:四川省双流中学2021-2022学年高三上学期10月月考数学(理)试题2
2021·全国·模拟预测
2 . 已知椭圆
的焦距为
,过椭圆
的焦点且与
轴垂直的弦的长为1.
![](https://img.xkw.com/dksih/QBM/2021/5/23/2727164970196992/2727194433191936/STEM/bac1d2d6-f573-4f4c-9508-a307b272745d.png?resizew=240)
(1)求椭圆
的方程;
(2)如图,
是椭圆
的右焦点,
,
(不在
轴上)是椭圆
上关于
轴对称的两点,直线
交椭圆
于另一点
,若
是
外接圆的圆心,求
的最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad523e69a1bf925e73a22900b9855df2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/38387ba1cadfd3dfc4dea4ca9f613cea.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://img.xkw.com/dksih/QBM/2021/5/23/2727164970196992/2727194433191936/STEM/bac1d2d6-f573-4f4c-9508-a307b272745d.png?resizew=240)
(1)求椭圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)如图,
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.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/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6aa2b5e09f8ec785c59900a529390a02.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.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/ab2a2834d80ff574e79eae8ca8d4e94f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/00100dd5ef343693e13ab728c6d0a9d1.png)
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名校
解题方法
3 . 已知椭圆
的中心在坐标原点,焦点在
轴上,椭圆
上的点到右焦点F距离的最大值为3,最小值为![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40cba83244c4f6b87c88859d89f252a.png)
(1)求椭圆
的标准方程:
(2)设
和
是通过椭圆
的右焦点F的两条弦,且
.问是否存在常数
,使得
恒成立?若存在,求
的值;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/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40cba83244c4f6b87c88859d89f252a.png)
(1)求椭圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411461db15ee8086332c531e086c40c7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a5f1641947153c80b987320885a2b57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7555f635da615b09b7e2f08ddbeaf1db.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df64046e91b047037f19e4032e3b6de3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/44acc01c9116ef6392a0ec84f84587e7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df64046e91b047037f19e4032e3b6de3.png)
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2021-05-21更新
|
704次组卷
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4卷引用:四川省绵阳市南山中学双语学校2020-2021学年高二下学期6月月考数学(理)试题
名校
解题方法
4 . 已知
是椭圆
的左焦点,椭圆
上一点
关于原点的对称点为
,若
的周长为
.则离心率
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9a200ca2c4af794f4d1c6a5443830b5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1f13bf66fc845b115de4ec45b4be0e23.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5adccd1dd14171c8c29d4a3836728c0f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d05719d118bf726c6bc98ac0f779ac69.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/47ce2b47812fce4b17fd813d0e4cce21.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2021-05-17更新
|
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7卷引用:四川省凉山宁南中学2021-2022学年高二上学期第二次月考数学(文)试题
四川省凉山宁南中学2021-2022学年高二上学期第二次月考数学(文)试题江西省新余市2021届高三第二次模拟考试数学(理)试题(已下线)2021年高考全国乙卷数学(理)高考真题变式题21-23题(已下线)考点30 椭圆-备战2022年高考数学(理)一轮复习考点微专题(已下线)9.3 椭圆(精练)-【一隅三反】2022年高考数学一轮复习(新高考地区专用)(已下线)2021年高考全国乙卷数学(理)高考真题变式题11-15题(已下线)10.3 椭圆(精练)(基础版)-1
名校
解题方法
5 . 椭圆
:
(
),离心率为
,过点
.
(Ⅰ)求椭圆方程;
(Ⅱ)过
的直线与椭圆交于
,
两点,椭圆左顶点为
,求
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d7aea48c44781a844b5c19191f70f61.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a0c4c098615c6bc7e6dcf72e5b5201a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f89eef3148f2d4d09379767b4af69132.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/310f780f4f03699023b1322a1e002539.png)
(Ⅰ)求椭圆方程;
(Ⅱ)过
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76d66e9d52546beeea016d6d7d3f0ca6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2fab25116f44983e489c54117f2ebd5a.png)
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2021-05-16更新
|
511次组卷
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2卷引用:四川省绵阳市南山中学双语学校2020-2021学年高二下学期6月月考数学(文)试题
名校
6 . 椭圆
的焦点分别为
,
,直线
与
交于
,
两点,若
,
,则
的方程为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b9bece414af7ecb2d796dc8a6f549e1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/27e62a44b8712ce4483b8710cda0dc1c.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/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d3bb423a3c704ce154be19644545b434.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/236d763d7d95f2609b127d210a503262.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2021-05-10更新
|
907次组卷
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7卷引用:四川省凉山宁南中学2021-2022学年高二上学期第一次月考数学(理)试题
四川省凉山宁南中学2021-2022学年高二上学期第一次月考数学(理)试题四川省凉山宁南中学2021-2022学年高二上学期第一次月考数学(文)试题山西省2021届高三二模数学(理)试题(已下线)2.2 椭圆(基础练)-2021-2022学年高二数学同步训练精选新题汇编(人教A版选修2-1)(已下线)考点30 椭圆-备战2022年高考数学(理)一轮复习考点微专题(已下线)9.3 椭圆(精讲)-【一隅三反】2022年高考数学一轮复习(新高考地区专用)(已下线)专题10 圆锥曲线与方程-备战2022年高考数学学霸纠错(全国通用)
7 . 已知椭圆
的左、右焦点分别为
,
,点
在椭圆
上,当
的面积取得最大值
时,
.
(1)求椭圆
的标准方程;
(2)过点
作斜率为
的直线交椭圆
于
,
两点,其中
.设点
,
关于
轴的对称点分别为
,
,当四边形
的面积为
时,求直线
的方程.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e7e5578ca83f5bd5c285994061b9c015.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/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08f9a699aededce0ad803bf8257fbbcb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61128ab996360a038e6e64d82fcba004.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dff39f08d0db6c1306dc7decb983ea9c.png)
(1)求椭圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
(2)过点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a9471be1cc5f1e85cc30a78d89e1ca5c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bdaa19de263700a15fcf213d64a8cd57.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/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ff2e9c2af1c2824ec8c3878b0a7acebc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bf5dd65063b7f42f273dc887fcfe0c5b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
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2021-05-10更新
|
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7卷引用:四川省成都市第七中学2021-2022学年高三上学期10月阶段考试理科数学试题
四川省成都市第七中学2021-2022学年高三上学期10月阶段考试理科数学试题四川省成都市第七中学2021-2022学年高三上学期10月阶段考试文科数学试题文科数学-学科网2021年高三5月大联考(新课标Ⅲ卷)理科数学-学科网2021年高三5月大联考(新课标Ⅲ卷)(已下线)专题04 圆锥曲线(难点)-2020-2021学年高二数学下学期期末专项复习(北师大版2019选择性必修第一册、第二册)云南省元谋县第一中学2021届高三5月联考数学(理)试题(已下线)第十一章 圆锥曲线专练11—椭圆大题(求直线的方程)-2022届高三数学一轮复习
名校
8 . 已知
:方程
表示焦点在
轴上的椭圆;
:任意
,
,若
且
为真命题,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b686c4f7a75c31eb92ba9e4e80d587d5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9aa8a716a31b0f51b70fdf9bdb257909.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4166972dec0aa3e8694a44eeb941a08.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6f754145f648450f9e14cec4b17140a5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9aa8a716a31b0f51b70fdf9bdb257909.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
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2021-04-29更新
|
343次组卷
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2卷引用:四川省内江市内江市第六中学2020-2021学年高二下学期04月月考数学文科试题
名校
解题方法
9 . 如图所示,已知圆
,定点
,
为圆上一动点,点
在
上,点
在
上,且满足
,
,点
的轨迹为曲线
.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/29/d2ba5326-0833-432e-b72d-6c3af8276608.png?resizew=219)
(1)求曲线
的方程;
(2)若过定点
的直线交曲线
于不同的两点
、
(点
在点
、
之间),且满足
,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8c382daf560af11cc37509de3169793e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a8748dc55e2f45bc37fc4d84d7310f79.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d50703c46b6153945d718b198f03b4b5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/db54223bb3fc2fe2497213a4d1f94827.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/75bdc3080df7ad047adc88916b8784d8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5658ac14d657456ad90f185afdec22ba.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/29/d2ba5326-0833-432e-b72d-6c3af8276608.png?resizew=219)
(1)求曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
(2)若过定点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df80e89c0e6b9c87ec0af6e9209c23d5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/895dc3dc3a6606ff487a4c4863e18509.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73465a1f9aa03481295bf6bd3c6903ac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/895dc3dc3a6606ff487a4c4863e18509.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73465a1f9aa03481295bf6bd3c6903ac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac2165a743e45123e1c9796a7cba2346.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7d3ba6ab6e4b958f6d52e46575aabd46.png)
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解题方法
10 . 已知过圆C1:x2+y2=1上一点
的切线,交坐标轴于A、B两点,且A、B恰好分别为椭圆C2:
(a>b>0)的上顶点和右顶点.
(1)求椭圆C2的方程;
(2)已知P为椭圆的左顶点,过点P作直线PM、PN分别交椭圆于M、N两点,若直线MN过定点Q(﹣1,0),求证:PM⊥PN.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5fadaabc815aa24e61d0c603f2fa754d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d7aea48c44781a844b5c19191f70f61.png)
(1)求椭圆C2的方程;
(2)已知P为椭圆的左顶点,过点P作直线PM、PN分别交椭圆于M、N两点,若直线MN过定点Q(﹣1,0),求证:PM⊥PN.
您最近一年使用:0次
2021-08-29更新
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