名校
解题方法
1 . 如图,在菱形ABCD中,
,线段AD,BD的中点分别为E,F.现将
沿对角线BD翻折,则异面直线BE与CF所成角的取值范围( ).
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f945a69cf7e8213e50622125cde652f5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab2a2834d80ff574e79eae8ca8d4e94f.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
您最近一年使用:0次
2023-11-10更新
|
526次组卷
|
10卷引用:浙江省杭州市淳安县汾口中学2020-2021学年高二下学期返校考试数学试题
浙江省杭州市淳安县汾口中学2020-2021学年高二下学期返校考试数学试题浙江省杭州外国语学校2020-2021学年高二上学期期中数学试题(已下线)第一章 空间向量与立体几何单元检测(能力挑战卷)-【一堂好课】2021-2022学年高二数学上学期同步精品课堂(人教A版2019选择性必修第一册)(已下线)专题04 空间向量与立体几何的压轴题(二)-【尖子生专用】2021-2022学年高二数学考点培优训练(人教A版2019选择性必修第一册)(已下线)1.4 空间向量的应用-2021-2022学年高二数学同步速效提升练(人教A版2019选择性必修第一册)【学科网名师堂】(已下线)专练30 期中综合检测卷(B卷)-2021-2022学年高二数学上册同步课后专练(人版A版选择性必修第一册)广东省东莞市东莞中学2022-2023学年高二上学期第一次段考数学试题(已下线)专题03 空间向量的应用压轴题(5类题型+过关检测)-【常考压轴题】2023-2024学年高二数学上学期压轴题攻略(人教A版2019选择性必修第一册)(已下线)第八章 立体几何初步 单元复习提升(易错与拓展)(1)-单元速记·巧练(人教A版2019必修第二册)(已下线)第8题 由空间距离求夹角(压轴小题)
2 . 已知椭圆
:
的左、右焦点分别为
、
,经过点
且倾斜角为
的直线
与椭圆交于
、
两点(其中点
在
轴上方).将平面
沿
轴折叠,使
轴正半轴和
轴所确定的半平面(平面
)与
轴负半轴和
轴所确定的半平面(平面
)互相垂直.
![](https://img.xkw.com/dksih/QBM/2021/12/13/2871759445696512/2877976898527232/STEM/d565e27a-82ed-42c0-847c-c4fb2dc1e766.png?resizew=225)
![](https://img.xkw.com/dksih/QBM/2021/12/13/2871759445696512/2877976898527232/STEM/586a74ff-6669-4e8f-b834-24bd843796b1.png?resizew=218)
(1)若
,求折叠后
的值;
(2)求折叠后的线段
长度的取值范围,并说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6cae00bdc6f8b564b6b15b32572c848b.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/f5076289823db419f94e9c0c8f4aafd9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c24095e409b025db711f14be783a406c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a768c27286250cc7ec3bdac6ef301def.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.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/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee31829d0d4d5f779a957d7df8058ab.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/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0530e3288e75edc196427ebc1448f201.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/16498e054295750f17b6fb4c05f66b84.png)
![](https://img.xkw.com/dksih/QBM/2021/12/13/2871759445696512/2877976898527232/STEM/d565e27a-82ed-42c0-847c-c4fb2dc1e766.png?resizew=225)
![](https://img.xkw.com/dksih/QBM/2021/12/13/2871759445696512/2877976898527232/STEM/586a74ff-6669-4e8f-b834-24bd843796b1.png?resizew=218)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3e186ebc624ebacde9a03b96289f1ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bb7bbd6ec4a35ff73b509c534e4ac495.png)
(2)求折叠后的线段
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
您最近一年使用:0次
2021-12-22更新
|
982次组卷
|
5卷引用:浙江省杭州第二中学滨江校区2021-2022学年高二上学期期中数学试题
浙江省杭州第二中学滨江校区2021-2022学年高二上学期期中数学试题浙江省舟山中学2022届高三下学期4月市统考考前模拟数学试题四川省广安市第二中学校2022届高三下学期第四次模拟考试数学(理)试题(已下线)考点15 立体几何中的折叠问题 2024届高考数学考点总动员【讲】(已下线)第三章 折叠、旋转与展开 专题一 平面图形的翻折、旋转 微点6 圆锥曲线中的翻折问题(一)
名校
解题方法
3 . 在①
,②
,③
,这三个条件中选择一个,补充在下面问题中,并给出解答
如图,在五面体
中,已知___________,
,
,且
,
.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/2/3/3bdae97f-1469-4747-829f-667660e2fca3.png?resizew=212)
(1)求证:平面
与平面
;
(2)线段
上是否存在一点
,使得平面
与平面
夹角的余弦值等于
,若存在,求
的值;若不存在,说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/30b0393ce62b24aa5f9b740d4cc6743b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cfc1f76257275ab4b04f9bc913535670.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f57cb0d726cc25a350dc792b539ff2f2.png)
如图,在五面体
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9142a8490de14a87eda628ffa7e28982.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/615fc8790237a1b09af51d6bcad6b595.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fc22c901160e072ae13a66f62c489f21.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d05426a41ec7b22c0445bfe78d786c8d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7422660f0635be92e11838af5f4b4b5e.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/2/3/3bdae97f-1469-4747-829f-667660e2fca3.png?resizew=212)
(1)求证:平面
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ed5f0cfc1049f84a04c81bd213afb8d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bef5239ddbb0972700ce01daf9ee7cf.png)
(2)线段
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b03428a8f91a5674cb8f54766c165f7e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c09afc70f448545336304333d5b5658b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/293a2e244834864e78e93d8c13be6905.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/72acf5ee54c89dede4358c61ecd7a101.png)
您最近一年使用:0次
2021-12-22更新
|
2294次组卷
|
7卷引用:浙江省杭州第二中学滨江校区2021-2022学年高二上学期期中数学试题
浙江省杭州第二中学滨江校区2021-2022学年高二上学期期中数学试题山西省运城市2022届高三上学期期末数学(理)试题重庆市第八中学2022届高三下学期调研检测(五)数学试题(已下线)数学-2022届高三下学期开学摸底考试卷(山东专用)四川省成都市石室中学2021-2022学年高三下学期第三次诊断性考试数学(理)试题(已下线)北京市丰台区2023届高三下学期3月一模数学试题变式题16-21江苏省扬州市2024届高三上学期期初模拟数学试题
名校
解题方法
4 . 如图,四棱锥
中,
是等边三角形,底面
是直角梯形,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a9bfa68259d7a331be323b2038d628a.png)
,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2234205f80829a5bbc6ae3a675fe4f85.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/645c2acbf5a03068cba4d6dff6563976.png)
,
,
分别是
的中点.
![](https://img.xkw.com/dksih/QBM/2021/12/11/2870313655083008/2875145049554944/STEM/7aa1701bd041479fa2643d9c8faf3b4e.png?resizew=266)
(1)求证:![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c63e36329f5e0979f5ee776ac5d06327.png)
平面
;
(2)若
,求直线
与平面
所成角的正弦值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0585b6c0f156eecf9662b9846d4eb693.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2205cffebf8c4d5f81d15ed7b85c8936.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a9bfa68259d7a331be323b2038d628a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2234205f80829a5bbc6ae3a675fe4f85.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/645c2acbf5a03068cba4d6dff6563976.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2b96fac11d72f72c805dbddb8da72d68.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/895dc3dc3a6606ff487a4c4863e18509.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/62794ea73abc2a84aa0512c5b205eb12.png)
![](https://img.xkw.com/dksih/QBM/2021/12/11/2870313655083008/2875145049554944/STEM/7aa1701bd041479fa2643d9c8faf3b4e.png?resizew=266)
(1)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c63e36329f5e0979f5ee776ac5d06327.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a9bfa68259d7a331be323b2038d628a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1e582d73b96ba649378379c3074d506d.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be41b05e11ba5eadaaed9a224b949774.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c63e36329f5e0979f5ee776ac5d06327.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e7b7c83470489253394bd288d7c920df.png)
您最近一年使用:0次
解题方法
5 . 如图,在平行六面体
中,
,
,点
,
是棱
,
的中点,则下列说法中正确的是( )
![](https://img.xkw.com/dksih/QBM/2021/12/4/2848404014669824/2870450356248576/STEM/b8db4f90f249424ca146c26e09ea3255.png?resizew=308)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4e95ebf110263f39285714fc68a6799d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c3e5397259115cf10a944e669b4a1892.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/5fbafedc202bd0d86c4dfdece9f8f4fe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab35850dbc661ded6456b70767cc6cd0.png)
![](https://img.xkw.com/dksih/QBM/2021/12/4/2848404014669824/2870450356248576/STEM/b8db4f90f249424ca146c26e09ea3255.png?resizew=308)
A.![]() | B.向量![]() ![]() ![]() |
C.![]() ![]() | D.![]() ![]() ![]() |
您最近一年使用:0次
名校
解题方法
6 . 如图,若正方体的棱长为1,点
是正方体
的侧面
上的一个动点(含边界),
是棱
的中点,则下列结论正确的是( )
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/26/70ea6fb3-4fc8-436a-9996-a905bfd3da69.png?resizew=174)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ebb05874eb3353d754af24c9974273e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d88bf46ad08f9677c37eed1d0369329.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/26/70ea6fb3-4fc8-436a-9996-a905bfd3da69.png?resizew=174)
A.沿正方体的表面从点A到点![]() ![]() | B.若保持![]() ![]() ![]() ![]() |
C.三棱锥![]() ![]() | D.若点![]() ![]() ![]() ![]() ![]() |
您最近一年使用:0次
2021-11-28更新
|
1297次组卷
|
3卷引用:浙江省杭州地区(含周边)重点中学2021-2022学年高二上学期期中联考数学试题
名校
解题方法
7 . 如图,棱长为2的正方体
中,
、
分别为棱
、
的中点,
为面对角线
上一个动点,则下列选项中正确的是( )
![](https://img.xkw.com/dksih/QBM/editorImg/2022/10/31/fd96dbfb-19a1-4fa5-afc6-9c30c26468a8.png?resizew=255)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.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/394c5d2f55221975503be8aa18022480.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2777840758e70e7dbbc18cef8f3d6d2b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/895dc3dc3a6606ff487a4c4863e18509.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d7f6f93171329d508d491143b9d71f7b.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/10/31/fd96dbfb-19a1-4fa5-afc6-9c30c26468a8.png?resizew=255)
A.三棱锥![]() ![]() |
B.存在![]() ![]() ![]() ![]() |
C.![]() ![]() ![]() ![]() ![]() |
D.若平面EFG与棱AB,BC有交点,记交点分别为M,N,则![]() ![]() |
您最近一年使用:0次
2021-11-03更新
|
1587次组卷
|
5卷引用:浙江省杭州市桐庐中学2021-2022学年高二上学期10月阶段性测试数学试题
浙江省杭州市桐庐中学2021-2022学年高二上学期10月阶段性测试数学试题浙江省绍兴市诸暨中学2021-2022学年高二(平行班)上学期期中数学试题(已下线)收官卷04--备战2022年高考数学一轮复习收官卷(新高考地区专用)浙大附中玉泉、丁兰2022-2023学年高二上学期期中数学试题浙江省武义第一中学2023-2024学年高二上学期11月检测1数学试题
名校
解题方法
8 . 如图,一个结晶体的形状为平行六面体
,其中,以顶点A为端点的三条棱长都等于1,且它们彼此的夹角都是
,下列说法中正确的是( )
![](https://img.xkw.com/dksih/QBM/editorImg/2023/1/31/3c5153b1-23c2-421b-9ab5-7ce68ef0a62c.png?resizew=218)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be6a6301878fed2a01413020b27310a5.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/1/31/3c5153b1-23c2-421b-9ab5-7ce68ef0a62c.png?resizew=218)
A.![]() |
B.![]() ![]() ![]() |
C.![]() ![]() ![]() |
D.![]() ![]() ![]() |
您最近一年使用:0次
2021-10-30更新
|
1139次组卷
|
4卷引用:浙江省杭州高级中学2021-2022学年高二上学期期中数学试题
名校
解题方法
9 . 如图,平面
平面
,
,
,
.平面
内一点P满足
,记直线
与平面
所成角为
,则
的最大值是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e7d108a509846c62302e750dcc720dfb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eba26c661318782f69fb773fec323f9c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09cf17ee13e937cd8b84879da17d15b4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/58741ac3c54e9fa90cabd4bbd075a920.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83640592853a53872d7af69c0cffc1bb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/abd13974aebe38eb2a1d744a01ea5aa5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e4819c39c281427826e1b3f7a4c2b720.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c24095e409b025db711f14be783a406c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/43660b1543b3a2b46185f7629d28a963.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2021-08-24更新
|
2170次组卷
|
13卷引用:浙江省杭州高级中学2021-2022学年高二上学期期中数学试题
浙江省杭州高级中学2021-2022学年高二上学期期中数学试题2021年7月浙江省普通高中学业水平考试数学试题吉林省长春外国语学校2021-2022学年高二上学期第一次月考数学试题上海市控江中学2021-2022学年高二上学期期中数学试题四川省巴中市通江县通江中学2021-2022学年高二上学期11月月考数学理科试题(已下线)上海高二上学期期中【易错、好题、压轴60题考点专练】(2)上海市文来高中2022-2023学年高一上学期期中数学试题(已下线)高二下期中真题精选(常考60题专练)-【满分全攻略】2022-2023学年高二数学下学期核心考点+重难点讲练与测试(沪教版2020选修一+选修二)浙江省湖州市吴兴高级中学2023-2024学年高二上学期10月阶段性测试数学试题(已下线)专题03 空间向量的应用压轴题(5类题型+过关检测)-【常考压轴题】2023-2024学年高二数学上学期压轴题攻略(人教A版2019选择性必修第一册)(已下线)第02讲 空间向量的应用(2)(已下线)FHsx1225yl162浙江省宁波市鄞州中学2023-2024学年高二上学期期中考试数学试题
名校
10 . 已知椭圆
:
(
,
)的左、右焦点分别为
、
,离心率为
,经过点
且倾斜角为
的直线
与椭圆交于
、
两点(其中点
在
轴上方),
的周长为8.
(1)求椭圆
的标准方程;
(2)如图,将平面
沿
轴折叠,使
轴正半轴和
轴所确定的半平面(平面
)与
轴负半轴和
轴所确定的半平面(平面
)互相垂直.
,求异面直线
和
所成角的余弦值;
②是否存在
,使得折叠后
的周长为
?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/1d7aea48c44781a844b5c19191f70f61.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/67ca5fd57c2c2fcc3c7a574fdd1467d9.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/f89eef3148f2d4d09379767b4af69132.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5076289823db419f94e9c0c8f4aafd9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b202870415ad76362476c8f122729d7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.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/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e5eb2485f90dbfd0dfd6e7d179a856f5.png)
(1)求椭圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)如图,将平面
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee31829d0d4d5f779a957d7df8058ab.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/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0530e3288e75edc196427ebc1448f201.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/16498e054295750f17b6fb4c05f66b84.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0bc1f08c7640e62e8717abf4d44a6c83.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cabea664e61863b3b3279dbce607924e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c3656055f5256cd06e636ea96e9f89c2.png)
②是否存在
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b202870415ad76362476c8f122729d7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e5eb2485f90dbfd0dfd6e7d179a856f5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7163395f9aaa29be7f6b3106ba48b744.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/43660b1543b3a2b46185f7629d28a963.png)
您最近一年使用:0次
2021-08-16更新
|
2975次组卷
|
9卷引用:浙江省杭州学军中学紫金港校区2021-2022学年高二上学期期中数学试题
浙江省杭州学军中学紫金港校区2021-2022学年高二上学期期中数学试题福建省厦门市集美中学2020-2021学年高二下学期第一次月考数学试题2023年全国中学生数学能力测评(终评)高三年级组试题河北省部分学校2024届高三上学期摸底考试数学试题(已下线)第三章 折叠、旋转与展开 专题一 平面图形的翻折、旋转 微点6 圆锥曲线中的翻折问题(一)2024届河北省部分高中高考一模数学试题(已下线)专题07 直线与圆、圆锥曲线湖南省长沙市明德中学2023-2024学年高二下学期3月阶段测试数学试卷甘肃省白银市靖远县第一中学2024届高三下学期模拟预测数学试题