1 . 如图,
是边长为3的正方形,
平面
,
平面
,
.
![](https://img.xkw.com/dksih/QBM/2017/5/9/1683233597046784/1684162261049344/STEM/76559412e3fc44ae8ba845ba42a3fb80.png?resizew=186)
(1)证明:平面
平面
;
(2)在
上是否存在一点
,使平面
将几何体
分成上下两部分的体积比为
?若存在,求出点
的位置;若不存在,请说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8d2d217e9bcd059908f117dfc4d4259.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a22d6b860f06fe23618b0d3de6768fa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ba02c4ed0787d5032dcf194304a1ab0.png)
![](https://img.xkw.com/dksih/QBM/2017/5/9/1683233597046784/1684162261049344/STEM/76559412e3fc44ae8ba845ba42a3fb80.png?resizew=186)
(1)证明:平面
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2d98d25467d8a11ddeeb1e6e18eb704f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/422210c777ac0d625bbd81cc7601bf9b.png)
(2)在
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6e490f703eb6c9bb1278c78ebc2d661.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/895dc3dc3a6606ff487a4c4863e18509.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1071e1d5a8f2f80c7002560d18856199.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9165d9bfbb0f0d19eb482c2a4c1b29b7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d1ee308e520eb48e2c44e55fc1d6e9a5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/895dc3dc3a6606ff487a4c4863e18509.png)
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7卷引用:安徽省太和中学2016-2017学年高一下学期期中考试数学试题
2 . 设
,
是两个平面,
,
是两条直线,下列各条件,可以判断
的有
①
,
,且
,
;②
,
,且
,
;
③
,
,且
;④
,
,
,
,且
,
互为异面直线.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b5858ee1ce52b251816757257a11c29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/de666db0febae223cc4d1dc189d71ca6.png)
①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1754786a3367aca3da18ee3316e5b968.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/539a38ada26356d73024fb8533449c49.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1bef2b2db88550a3fdfc3937bd3dc9ac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/713288c700aee0f6f797e06760466185.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1754786a3367aca3da18ee3316e5b968.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f157205cb5cb4a538b09d989f2d9ae95.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1bef2b2db88550a3fdfc3937bd3dc9ac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/34512482dc6ca8f32d80e4b37d64086b.png)
③
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/87446a7f3d8663e3fa62157adcbe2835.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/713288c700aee0f6f797e06760466185.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/daef06d98295115dca121cb7647e7bc7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/87446a7f3d8663e3fa62157adcbe2835.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1bef2b2db88550a3fdfc3937bd3dc9ac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/34512482dc6ca8f32d80e4b37d64086b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/713288c700aee0f6f797e06760466185.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
A.1个 | B.2个 | C.3个 | D.4个 |
您最近一年使用:0次
3 . 如图,梯形
中,
,四边形
为正方形,且平面
平面
.
![](https://img.xkw.com/dksih/QBM/2017/5/3/1679207875190784/1679967648169984/STEM/3c92a7e860e041be9f7e89b1b38b51b7.png?resizew=173)
(1)求证:
;
(2)若
与
相交于点
,那么在棱
上是否存在点
,使得平面
平面
?并说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/680257fb8074861e2e55b869e018774f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f84f169e50dc59d4f7a8e1e36f5c847.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1b6711e6dd48be6cf8fa52926924d21.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://img.xkw.com/dksih/QBM/2017/5/3/1679207875190784/1679967648169984/STEM/3c92a7e860e041be9f7e89b1b38b51b7.png?resizew=173)
(1)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d1893d78af450a5fa09810537adc2dfa.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b319212a7e7528b053e1c7097e966.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68a83fdd2ba72a2dba0b6b10bb3e06b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/895dc3dc3a6606ff487a4c4863e18509.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ede8e115c6e3e14e6740ed2c5f18e22.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ddbc01b823250362bc32ce2b11b0543.png)
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2017-05-04更新
|
966次组卷
|
3卷引用:宁夏贺兰县景博中学2019-2020学年高一上学期期末考试数学试题
名校
解题方法
4 . 已知
是不同的直线,
是不重合的平面,给出下面四个命题:
①若
,则
;②若
,则
;③若
是两条异面直线,
,则
;④若
,则
.
其中正确的序号为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/280860dd039e1305a5ccc455f63e8223.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4e288596fa3811dd2c17bded60e82e7.png)
①若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/843d858eaa99b4f0d26e1bcdceca1f39.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a93a52c2b943e4c70ace99ed802d2b5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/356f1d25fafe2eb3b29967f26bc170f7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/35f747152f006301e03b643afb80195c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/280860dd039e1305a5ccc455f63e8223.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8c3ed5bfe684b7be959e930a59666be7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/35f747152f006301e03b643afb80195c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6d93ada8d8f261edf24d249d7d2673c9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/84b6e422b2e6f6dada4d8c369559a077.png)
其中正确的序号为
A.①② | B.①③ | C.③④ | D.②③④ |
您最近一年使用:0次
2017-04-27更新
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911次组卷
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3卷引用:2016-2017学年河南省豫南九校高一下学期期中联考数学试卷
5 . α,β为两个不同的平面,m,n为两条不同的直线,下列命题中正确的是________ (填上所有正确命题的序号).
①若α∥β,mα,则m∥β; ②若m∥α,nα,则m∥n;
③若α⊥β,α∩β=n,m⊥n,则m⊥β; ④若n⊥α,n⊥β,m⊥α,则m⊥β.
①若α∥β,mα,则m∥β; ②若m∥α,nα,则m∥n;
③若α⊥β,α∩β=n,m⊥n,则m⊥β; ④若n⊥α,n⊥β,m⊥α,则m⊥β.
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2017-03-26更新
|
821次组卷
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6卷引用:第09讲 空间点、直线、平面之间的关系(核心考点讲与练)-2021-2022学年高一数学考试满分全攻略(人教A版2019必修第二册)
(已下线)第09讲 空间点、直线、平面之间的关系(核心考点讲与练)-2021-2022学年高一数学考试满分全攻略(人教A版2019必修第二册)2017届南京市、盐城市高三年级第二次模拟考试数学试卷【全国百强校】广东省佛山市第一中学2017-2018学年高二下学期期中考试数学(文)试题(已下线)专题07 空间几何体的平行于垂直-《巅峰冲刺2020年高考之二轮专项提升》(江苏)(已下线)专题14 立体几何中的平行与垂直问题-2021年高考数学二轮优化提升专题训练(新高考地区专用)【学科网名师堂】(已下线)专题5.2 立体几何中的平行与垂直-备战2021年高考数学精选考点专项突破题集(新高考地区)
6 . 在空间中,设
,
为两条不同直线,
,
为两个不同平面,则下列命题正确的是
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b5858ee1ce52b251816757257a11c29.png)
A.若![]() ![]() ![]() |
B.若![]() ![]() ![]() ![]() |
C.若![]() ![]() ![]() |
D.若![]() ![]() ![]() ![]() ![]() |
您最近一年使用:0次
2017-03-26更新
|
2303次组卷
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20卷引用:河北省衡水中学2016-2017学年高一下学期期中考试数学(理)试题
河北省衡水中学2016-2017学年高一下学期期中考试数学(理)试题贵州省思南中学2019-2020学年高一下学期期中考试数学试题河北省沧州市第一中学2019-2020学年高一下学期期末数学试题广东省广州市广外附设外语学校2019-2020学年高一(下)期末数学模拟(四)试题2016-2017学年浙江省东阳中学高二3月阶段性考试数学试卷宁夏石嘴山市第三中学2017届高三下学期第三次模拟考试数学(文)试题宁夏育才中学2018届高三第四次月考数学(文)试题【区级联考】天津市河北区2019届高中学业水平考试模拟 数学试题湖南省长沙市长郡中学2018-2019学年高二下学期期中数学试题2019年浙江省新高考优化提升卷(一)四川省攀枝花市第十五中学2019-2020学年高二下学期期中考试数学(理科)试题四川省攀枝花市第十五中学2019-2020学年高二下学期期中考试数学(文科)试题江西省南昌市第二中学2019-2020学年高二下学期期末考试数学(文)试题重庆市第三十七中学校2020-2021学年高二上学期10月月考数学试题广西南宁第三中学2020-2021学年度高二上学期段考理科数学试题广西南宁市第三中学2020-2021学年高二上学期期中段考数学(文)试题山东省青州第一中学东校区2020-2021学年度上学期11月考试高二数学试题广西南宁市第三中学2020-2021学年高二上学期期中段考数学(理)试题江西省南昌市重点中学2019-2020学年高二下学期期末考试数学(文)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
9-10高二下·内蒙古包头·期中
7 . 平面
平面
的一个充分条件是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/414844edd458857bdfc80bffa61cbf9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b5858ee1ce52b251816757257a11c29.png)
A.存在一条直线![]() |
B.存在一条直线![]() |
C.存在两条平行直线![]() |
D.存在两条异面直线![]() |
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2019-01-30更新
|
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20卷引用:专题11.2平面与空间中的平行关系(B卷提升篇)-2020-2021学年高一数学必修第四册同步单元AB卷(新教材人教B版)
(已下线)专题11.2平面与空间中的平行关系(B卷提升篇)-2020-2021学年高一数学必修第四册同步单元AB卷(新教材人教B版)(已下线)8.5.3 平面与平面平行(分层练习)-2020-2021学年高一数学新教材配套练习(人教A版2019必修第二册)北师大版(2019) 必修第二册 金榜题名 进阶篇 四十五 平面与平面平行(已下线)8.5.3 平面与平面平行【第三课】“上好三节课,做好三套题“高中数学素养晋级之路(已下线)包头33中09-10高二下学期期中考试文科数学试题2007年普通高等学校招生全国统一考试理科数学卷(北京)(已下线)2014届陕西省高考前30天数学保温训练17立体几何四川省乐山四校2017-2018学年高二第三学期半期联考数学(文科)试题(已下线)专题8.4 直线、平面平行的判定及其性质(练)【理】-《2020年高考一轮复习讲练测》广东省番禺区2020届高三摸底测试理科数学试题(已下线)考点37 直线、平面平行的判定与性质(考点专练)-备战2021年新高考数学一轮复习考点微专题河北省鸡泽县第一中学2020-2021学年高二上学期开学考试数学试题(已下线)考点31 直线、平面平行的判定及其性质-备战2021年高考数学(理)一轮复习考点一遍过(已下线)考点30 直线、平面平行的判定及其性质-备战2021年高考数学(文)一轮复习考点一遍过湖北省恩施州利川市第五中学2020-2021学年高二上学期期中数学试题2007 年普通高等学校招生考试数学(理)试题(北京卷)2007 年普通高等学校招生考试数学(文)试题(北京卷)上海市嘉定区第一中学2022-2023学年高二上学期12月月考数学试题(已下线)考点8 平行的判定与性质 2024届高考数学考点总动员【练】(已下线)专题04平面与平面的位置关系(2个知识点8种题型)-【倍速学习法】2023-2024学年高二数学核心知识点与常见题型通关讲解练(沪教版2020必修第三册)
8 . 如图,四棱锥
中,底面
是平行四边形,且平面
平面
,
为
的中点,
,
,
.
![](https://img.xkw.com/dksih/QBM/2017/3/12/1642373359001600/1642937952714752/STEM/d0143cb6501843bb8b2d220e7f88fff4.png?resizew=252)
(Ⅰ)求证:
平面
;
(Ⅱ)求证:平面
平面
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0585b6c0f156eecf9662b9846d4eb693.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6d077f6da8b2c00b152d4679aa2ed7f7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e0629ce42392a7fe9be21d25c39c3e64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8cb96e0331eebe80ed1ff610faf531fe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/526908dfb46cf151b8ab1492a9d52047.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e075468e7fb0bf30229aec01a7205977.png)
![](https://img.xkw.com/dksih/QBM/2017/3/12/1642373359001600/1642937952714752/STEM/d0143cb6501843bb8b2d220e7f88fff4.png?resizew=252)
(Ⅰ)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/30067b7b236d17af8a462f96a58d11bd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4c66d99a6a8415ddad22bbed33b64cfb.png)
(Ⅱ)求证:平面
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/78a3fd5284e160896f07ce367645fd04.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0628681907ac8d7fdb94d8bc1b15feb9.png)
您最近一年使用:0次
2017-03-13更新
|
1789次组卷
|
6卷引用:河南省八市学评2017-2018学年高一上学期第二次测评数学试题
9 . 如图,在多面体
中,平面
与平面
垂直,
是正方形,在直角梯形
中,
,
,且
,
为线段
的中点.
![](https://img.xkw.com/dksih/QBM/2017/3/6/1637846018473984/1638075531411456/STEM/4ab2da28-8127-47cc-9c4f-f878a5ef10fe.png)
(1)求证:
平面
;
(2)求证:
平面
;
(3)求三棱锥
的体积.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9165d9bfbb0f0d19eb482c2a4c1b29b7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3ecc1cb55a57dde481f8dd07ab150676.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3ecc1cb55a57dde481f8dd07ab150676.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5f79863ffcfa63117ca6741b20a48e69.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1134c8e3440abb6cd385af2c169037fe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0046177466c78f08d45449dc5639bf38.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/21037e170bdbb322558e79c40c00b454.png)
![](https://img.xkw.com/dksih/QBM/2017/3/6/1637846018473984/1638075531411456/STEM/4ab2da28-8127-47cc-9c4f-f878a5ef10fe.png)
(1)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ac480d8d9d7821b62a603cf5cfda236.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e9a814b70236a108be5d6e7ff271fe92.png)
(2)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e2ffc6952e988d04f22f0fb2f7f0ab7b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/34be4e71cabf458f17a6cd7f24bc70af.png)
(3)求三棱锥
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a1601b174c1c0d24b6bc9fbb96c3d701.png)
您最近一年使用:0次
2017-03-06更新
|
1105次组卷
|
4卷引用:2016-2017学年辽宁省庄河市高级中学高一上学期期末考试数学(文)试卷
2016-2017学年辽宁省庄河市高级中学高一上学期期末考试数学(文)试卷陕西省延安市吴起高级中学2019-2020学年高一上学期期末数学试题(已下线)辽宁省庄河市高级中学2016-2017学年高一上学期期末考试文数试题(已下线)专题07 空间向量与立体几何-【备战高考】2021年高三数学高考复习刷题宝典(压轴题专练)
10 . 如图,已知菱形
的边长为6,
,
,将菱形
沿对角线
折起,得到三棱锥
,点
是棱
的中点,
.
![](https://img.xkw.com/dksih/QBM/2017/3/6/1637846018473984/1638075531329536/STEM/3813b6e7-d37e-4541-91e7-8d326a83d5a7.png?resizew=446)
(1)求证:
平面
;
(2)求证:平面
平面
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5cb3f9a5da641be35117fd35ba07a6aa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a14b9e6dfaf58b8159e4f2d3b9bd6645.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f4c1ba8858e3a21de22315e5a0b1353.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5cb3f9a5da641be35117fd35ba07a6aa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1a9c6a736e6eac98a676fa3232db5a5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/93f93febecbed16fb12a40424cc5be74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/764509115979e9958101808383672ec0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36552f4ac365373c91949981301a8d8e.png)
![](https://img.xkw.com/dksih/QBM/2017/3/6/1637846018473984/1638075531329536/STEM/3813b6e7-d37e-4541-91e7-8d326a83d5a7.png?resizew=446)
(1)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fcc9d7c0906fb6957aeba1945dd144d3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/10c6ee63b22008f64730404a63967d11.png)
(2)求证:平面
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/99bfa2ca4e398c8ab0f97f47add3754f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/657ffb23fab8129beb441b0c681e3dab.png)
您最近一年使用:0次