真题
解题方法
1 . 如图,正方体
的棱长为
,过点
作平面
的垂线,垂足为点
.有下列四个命题
![](https://img.xkw.com/dksih/QBM/2018/2/5/1875811655548928/1877114544095232/STEM/6efaac7694bc47edb8592b6274607e94.png?resizew=199)
⑴点
是
的垂心 ⑵
平面
⑶二面角
的正切值为![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf298f00799cbf34b4db26f5f63af92f.png)
⑷点
到平面
的距离为
则正确的命题有________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bdaa19de263700a15fcf213d64a8cd57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7935fe3125f247b7bea4f065ce9ad985.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73465a1f9aa03481295bf6bd3c6903ac.png)
![](https://img.xkw.com/dksih/QBM/2018/2/5/1875811655548928/1877114544095232/STEM/6efaac7694bc47edb8592b6274607e94.png?resizew=199)
⑴点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73465a1f9aa03481295bf6bd3c6903ac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83639461efb94a72bd1d0d8c190e29b8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/62932e03d3081539626dced0530ad1ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e86eec8526479272d15bb3b171a46de0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52bd8b014ebd8b1cc34b66912b0b9ed.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf298f00799cbf34b4db26f5f63af92f.png)
⑷点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73465a1f9aa03481295bf6bd3c6903ac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/632f2bf1cd0435041fa04b01901d1c8c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8b2a698891d42c70b597f0da4f215f09.png)
您最近一年使用:0次
2018-02-07更新
|
282次组卷
|
4卷引用:2007年普通高等学校招生考试数学(文)试题(江西卷)
2007年普通高等学校招生考试数学(文)试题(江西卷)(已下线)《2018届优生-百日闯关系列》数学专题 二 第四关 以立体几何为背景的新颖问题为背景的填空题四川省乐山四校2017-2018学年高二第三学期半期联考数学(文科)试题河北省武邑中学2018-2019学年高二上学期期中数学(文)试题
2 . 如图,已知四棱锥
,底面
为菱形,
平面
,
,
分别是
的中点.
(1)证明:
;
(2)若
,求C到平面
的距离.
![](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/ccd4fd4b7a4d6b8ca0c5827c055a9ce7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/05740f0c6071846227dc0ec177ad15e8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5d70de1ffdd9aa376b09bbcfa12644a1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f8d25599d59d4b2f54f8537108fdcc41.png)
(1)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/304e9d63e7fdc531f4f7b805b765a1b1.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f83a04565a8ebaa111894b724b0ba266.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a38a6341dbb03ec2c0c10e5353a07c7a.png)
![](https://img.xkw.com/dksih/QBM/2018/1/25/1867892665016320/1868623905464320/STEM/27b5a7365f0349daa6d4b3b206604480.png?resizew=218)
您最近一年使用:0次
2018-01-26更新
|
712次组卷
|
4卷引用:江西省南昌市东湖区第十中学2019-2020学年高三上学期期中数学(文)试题
名校
解题方法
3 . 如图,多面体
是由三棱柱
截去一部分后而成,
是
的中点.
![](https://img.xkw.com/dksih/QBM/editorImg/2024/3/11/4bb28d17-1114-4b7b-8803-567082426c21.png?resizew=132)
(1)若
,
平面
,
,求点
到面
的距离;
(2)若
为
的中点,
在
上,且
,问
为何值时,直线
平面
?
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f386abe9accb98fb9c242a2538b3afae.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42d3a82b8e587ee890467835bc4e854c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2777840758e70e7dbbc18cef8f3d6d2b.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/3/11/4bb28d17-1114-4b7b-8803-567082426c21.png?resizew=132)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24dcd50b9f6dba73b160297efd9574c2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca5dd496ee0c1170ef6dcc48266ee444.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bef5239ddbb0972700ce01daf9ee7cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d900531973c546625694146fa1509ab9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8dddfef906818cc8ddd00f867b77f227.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d88bf46ad08f9677c37eed1d0369329.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6000e024e02905afaee17ece6a16d65.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df64046e91b047037f19e4032e3b6de3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/06222ee533c2484ab25321a6abbf98cb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8dddfef906818cc8ddd00f867b77f227.png)
您最近一年使用:0次
2018-01-18更新
|
868次组卷
|
9卷引用:江西省临川二中、新余四中2018届高三1月联合考试数学(文)试题
江西省临川二中、新余四中2018届高三1月联合考试数学(文)试题【全国百强校】湖南省岳阳市第一中学2018届高三第一次模拟考试数学(文)试题(已下线)专题42 空间点、直线、平面的位置关系综合练习-2021年高考一轮数学(理)单元复习一遍过(已下线)专题42 空间点、直线、平面的位置关系综合练习-2021年高考一轮数学单元复习一遍过(新高考地区专用)(已下线)专题42 空间点、直线、平面的位置关系综合练习-2021年高考一轮数学(文)单元复习一遍过【全国百强校】河北省武邑中学2017-2018学年高二下学期期中考试数学(文)试题河南省新乡市辉县市第一高级中学2020-2021学年高二下学期第二次阶段性考试数学(文)试题(已下线)专题8.3 立体几何初步 章末检测3(难)-【满分计划】2021-2022学年高一数学阶段性复习测试卷(人教A版2019必修第二册)(已下线)第八章 立体几何初步(能力提升)B卷-2021-2022学年高一数学课后培优练(人教A版2019必修第二册)
4 . 如图,在四棱锥
中,底面
为菱形,
,
平面
,
,点
、
分别为
和
的中点.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/3/2/84d7cffb-173d-4511-a80c-e503b02e3a76.png?resizew=173)
(1)求证:直线
平面
;
(2)求点
到平面
的距离.
![](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/c6e0b64d25ddd18454f88e40c45d7d8f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a1b49f64e0065edad868b25e9fcada3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3b610c9b9948d88eda8de0fb8d1cf972.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/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e0629ce42392a7fe9be21d25c39c3e64.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/3/2/84d7cffb-173d-4511-a80c-e503b02e3a76.png?resizew=173)
(1)求证:直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5d46554105150391e671609fc6348a18.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0bf12905647aeeded72bbca21a63f319.png)
(2)求点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0bf12905647aeeded72bbca21a63f319.png)
您最近一年使用:0次
2018-03-29更新
|
2753次组卷
|
11卷引用:江西省南昌市第三中学2021届高三上学期第四次月考考试数学试题
江西省南昌市第三中学2021届高三上学期第四次月考考试数学试题四川省成都市九校2017届高三下学期期中联考数学(文)试题重庆市第一中学2018届高三上学期期中考试数学(文)试题四川省德阳市2018届高三二诊考试文科数学试题【全国百强校】北师大实验中学2019届高三第二次模拟考试数学试题2019届福建省厦门市双十中学高三上学期第一次月考理科数学试题2020届宁夏银川市宁大附中高三上学期第四次月考数学(文)试题广东省佛山市第二中学2019-2020学年高二上学期第一次月考数学试题四川省泸州市泸县第五中学2019-2020学年高二下学期期中考试数学(文)试题广西南宁市第三中学2020-2021学年高二12月月考数学(文)试题四川省广元市宝轮中学2022-2023学年高二下学期第一次段考数学试题
名校
解题方法
5 . 如图,在三棱柱
中,已知
侧面
,
,
,
.
![](https://img.xkw.com/dksih/QBM/2018/6/25/1974798807187456/1979683371196416/STEM/92bfa66fbc634290b88a678df097a311.png?resizew=197)
(
)求证:
平面
.
(
)求点
到平面
的距离.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42d3a82b8e587ee890467835bc4e854c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/21f9157fce2a8339d281178c7c0bccbe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/58cc6184b191e6da43911e701121517e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/829018a6ca0aff95d89e3f7cd943274e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/41fd676c41d2d644928f014b0fea4689.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0f60b72ee0127c4c20a448575f219e8.png)
![](https://img.xkw.com/dksih/QBM/2018/6/25/1974798807187456/1979683371196416/STEM/92bfa66fbc634290b88a678df097a311.png?resizew=197)
(
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bdaa19de263700a15fcf213d64a8cd57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/06ad7c180d6d084ecb25f23cb6fe9b10.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bef5239ddbb0972700ce01daf9ee7cf.png)
(
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61128ab996360a038e6e64d82fcba004.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/97c01fdc7bc471af0b264a04aef0823e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2d9a8181f7a7fe7f3fac872ce9534f15.png)
您最近一年使用:0次
2018-07-02更新
|
958次组卷
|
4卷引用:江西省红色七校(分宜中学、会昌中学等)2021届高三第二次联考数学(文)试题
6 . 如图,在四棱锥P-ABCD中,∠ABC=∠ACD=90°,∠BAC=∠CAD=60°,PA⊥平面ABCD,PA=2,AB=1.设M,N分别为PD,AD的中点.
![](https://img.xkw.com/dksih/QBM/2019/5/23/2209726389813248/2210801225940992/STEM/c9b5713345e94faebadaa691895382d1.png?resizew=164)
(1)求证:平面CMN∥平面PAB;
(2)求三棱锥P-ABM的体积.
![](https://img.xkw.com/dksih/QBM/2019/5/23/2209726389813248/2210801225940992/STEM/c9b5713345e94faebadaa691895382d1.png?resizew=164)
(1)求证:平面CMN∥平面PAB;
(2)求三棱锥P-ABM的体积.
您最近一年使用:0次
2017-09-04更新
|
2203次组卷
|
10卷引用:江西省南昌市2018届上学期高三摸底考试文科数学试卷
江西省南昌市2018届上学期高三摸底考试文科数学试卷【全国百强校】湖北省仙桃中学2019届高三8月考试数学试题【省级联考】福建省2019届高中毕业班数学学科备考关键问题指导系列数学(文科)适应性练习(二)【全国百强校】北京师范大学附属中学2019届高三高考模拟(三)数学试题(文科)2019年四川省双流中学高三9月月考数学(文)试题(已下线)专题8.4 直线、平面平行的判定及其性质(讲)-浙江版《2020年高考一轮复习讲练测》2020届重庆市广益中学高三上期第一次月数学文科试题2020年普通高等学校招生伯乐马押题考试(二)文科数学试题(已下线)专题8.4 直线、平面平行的判定及性质 (精练)-2021年高考数学(文)一轮复习学与练广东省广州市真光中学2020-2021学年高一下学期期中数学试题
名校
解题方法
7 . 如图,已知四棱锥
,底面
为菱形,
,
,
平面
,
分别是
的中点.
(1)证明:
平面
;
(2)若
为
的中点时,
,求点
到平面
的距离.
![](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/fcd0ced286a0fbc7e4862f8147264277.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61c995b6f81ef1b5eefd57cc42679f5c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ccd4fd4b7a4d6b8ca0c5827c055a9ce7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7789a500686c7a73770404ead6af0590.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b1683fed718259fa7b77ced8be46c87.png)
(1)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7d0edb1508fc95765f3bb316bcb5252d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/852aabd89edffc1b94344ff3f1f31ccd.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73465a1f9aa03481295bf6bd3c6903ac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e0629ce42392a7fe9be21d25c39c3e64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/35a8f89e710f773777495d764df87fd4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e7b7c83470489253394bd288d7c920df.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/9/3/0c51b40d-eef0-4c53-bf6b-6493f2d74873.png?resizew=169)
您最近一年使用:0次
2017·全国·一模
8 . 如图
,四边形
为等腰梯形
沿AC折起,使得平面
平面ABC,E为AB 的中点,连接DE,DB(如图2).
![](https://img.xkw.com/dksih/QBM/2018/7/24/1995250699845632/2020745734479872/STEM/7883a2ac911b43028ae1c25a0f3651a9.png?resizew=277)
(Ⅰ)求证:
;
(Ⅱ)求三棱锥
的体积.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bdaa19de263700a15fcf213d64a8cd57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7c9af2459566f85e0f3b6930348ec30a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/06123e81c41198c76a3335757fac2c93.png)
![](https://img.xkw.com/dksih/QBM/2018/7/24/1995250699845632/2020745734479872/STEM/7883a2ac911b43028ae1c25a0f3651a9.png?resizew=277)
(Ⅰ)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76d72a007e3c4a134956b0e3fbde5f46.png)
(Ⅱ)求三棱锥
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42020cfacd62b300cad053981bab9e0b.png)
您最近一年使用:0次
9 . 已知等腰梯形
(图1)中,
,
,
,
是
中点,将
沿
折起,构成四棱锥
(图2),
分别是
的中点.
(1)求证:
平面
;
(2)当平面
平面
时,求点
到平面
的距离.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01ff27eea7545bb06f9472f91290c54e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/215261b46658e4e79115fb075a7eabc8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dab078acfb418ddf1a45107278cfb75d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0aedf65d7d930fdb972d4802c0dea8b5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1fc56c77464a17a1e97b568762a3e2c6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a25c28359f8d8da9eaf4672a6cf8ae4f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0585b6c0f156eecf9662b9846d4eb693.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7789a500686c7a73770404ead6af0590.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b1683fed718259fa7b77ced8be46c87.png)
(1)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca5dd496ee0c1170ef6dcc48266ee444.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/193b5b41994c2a4dfa5bb0bc984061cc.png)
(2)当平面
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/93edc7bb513f40a89173121c8570cd65.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1e582d73b96ba649378379c3074d506d.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/9/18/0aaf4715-0cda-46f3-b240-1518aa696469.png?resizew=346)
您最近一年使用:0次
10 . 如图,四棱锥
中,平面
平面
,底面
为梯形,
,
,
,且
与
均为正三角形,
为
的重心.
![](https://img.xkw.com/dksih/QBM/2019/3/13/2159620014571520/2160200986836992/STEM/a7490d958fac45d5a7cee0628e3f7157.png?resizew=138)
(Ⅰ)求证:
平面
;
(Ⅱ)求点
到平面
的距离.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0585b6c0f156eecf9662b9846d4eb693.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/93edc7bb513f40a89173121c8570cd65.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.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/07ac6208289b7346c73cde72e01004d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5d0d5f57a40474205aee752e23ec449d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c6e2903ff33266528a7902ad51cf8d75.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/db5e1441a49e782ff0ef46e776cde06a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/895dc3dc3a6606ff487a4c4863e18509.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c6e2903ff33266528a7902ad51cf8d75.png)
![](https://img.xkw.com/dksih/QBM/2019/3/13/2159620014571520/2160200986836992/STEM/a7490d958fac45d5a7cee0628e3f7157.png?resizew=138)
(Ⅰ)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bf60ad9db3411f35704fa88d86bfef5a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/218054144a13435580cd132b9459546c.png)
(Ⅱ)求点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/895dc3dc3a6606ff487a4c4863e18509.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/80f747eb5b2d21c9de962cbfd4ec4bb7.png)
您最近一年使用:0次
2017-05-21更新
|
1287次组卷
|
3卷引用:江西省抚州临川市第二中学2020届高三上学期10月月考数学(文)试题