1 . 图1是直角梯形
,
,
,
,
,
,
在线段
上,且
,以
为折痕将
折起,使点
到达
的位置,且
,如图2.
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/16/a63bd07c-aa38-4ebd-bc44-753a89833533.png?resizew=326)
(1)求证:平面
平面![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1d70676406f26d339465fe3473c0c05.png)
(2)在棱
上存在点
,使得锐二面角
的大小为
,求
到平面
的距离.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5cb3f9a5da641be35117fd35ba07a6aa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a8a14895e4d42943e5a87ba078dd8268.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e2feceb4322d1f4627e0558c1a81743b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0e7fa3aea72ccc36948a4a90f7368f71.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be9723635d46664a92d3af26362dfea3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54c8e857d113bd838fed693e584707a9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/297f713ddbcc4578e73c8afe3a52abfa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85c4bdfb0db1e31e8459df1d15f9ab55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bbfa1a2af7e38d33634c462300df381f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/da9b02a4ece39842989088e56b1d988b.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/16/a63bd07c-aa38-4ebd-bc44-753a89833533.png?resizew=326)
(1)求证:平面
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/570723ec1803bb3a69f220ad7df50226.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1d70676406f26d339465fe3473c0c05.png)
(2)在棱
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f2eb89294b31ffdd2680b4361e8994d7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f615c1e601990cde607f0216f715d57b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79a97bb4dcfab4ec7539bc783d563c49.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/64eb31601464364be2baf4aa87404bcd.png)
您最近一年使用:0次
2024-01-30更新
|
1370次组卷
|
3卷引用:四川省成都市天府新区综合高级中学2024届高三上学期一月考试数学(理)试题
解题方法
2 . 如图,在直三棱柱
中,底面
是以
为底边的等腰直角三角形,
,
.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/28/e6477e84-b721-4bea-b997-1ea2078ae8c8.png?resizew=156)
(1)求证:平面
平面
;
(2)设点
为
上一点,且满足
,求二面角
的平面角大小.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42d3a82b8e587ee890467835bc4e854c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bef5239ddbb0972700ce01daf9ee7cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/92535536bd3c2761724fd058427f95a8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0c14a66ed4bd66df65bc42c4ac1ed15c.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/28/e6477e84-b721-4bea-b997-1ea2078ae8c8.png?resizew=156)
(1)求证:平面
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/21dee56b9f36ba8f76fe67b76383636b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab3e0dba5705e1d749cfb21ebbb2ed93.png)
(2)设点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3ee8456443402a25b1e25d35ff7e1c98.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f10e5804cf75c81c4825e8fc408adb4a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5f1854ba6cc92481d7a616bd2788a47e.png)
您最近一年使用:0次
名校
解题方法
3 . 如图所示,圆锥的高
,底面圆O的半径为R,延长直径AB到点C,使得
,分别过点A,C作底面圆O的切线,两切线相交于点E,点D是切线CE与圆O的切点.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/27/514df9e3-d301-45d1-bf16-15402e7b3780.png?resizew=226)
(1)证明:平面
平面
;
(2)若直线
与平面
所成角的正弦值为
,求点A到平面
的距离.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ae890f9e8b32aa53a54158f24f4a87bc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0c76a0cbea833ae927c2f05602a965ec.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/27/514df9e3-d301-45d1-bf16-15402e7b3780.png?resizew=226)
(1)证明:平面
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ac48b9ac8efbf41d6ab5242d247bd89.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c15b63176f43bc7a0654d0f6f45e7429.png)
(2)若直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fc5adb5eb60ae4435a12d93854066298.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8f571a1aac46c6d0cf440c0ec2846bf9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f29837db4ec4d0aeb8d7ad9fcb316d6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/425bb0d1c21eb4448dbbe9a41efa7538.png)
您最近一年使用:0次
2022-11-25更新
|
3286次组卷
|
8卷引用:四川省绵阳中学2022-2023学年高三上学期期末模拟检测试题
四川省绵阳中学2022-2023学年高三上学期期末模拟检测试题湖南省长沙市一中等名校联考联合体2022-2023学年高三上学期11月联考数学试题河北省衡水中学2023届高三下学期一调数学试题广东省揭阳市普宁国贤学校2022-2023学年高二上学期11月月考数学试题(已下线)6.3.4空间距离的计算(3)河北省沧州市沧县中学2023-2024学年高二上学期9月月考数学试题福建省建瓯市芝华中学2023-2024学年高二上学期第一次阶段考试数学试题(已下线)高二数学上学期第一次月考模拟卷(空间向量与立体几何+直线的方程)-【考点通关】2023-2024学年高二数学高频考点与解题策略(人教A版2019选择性必修第一册)
名校
4 . 如图,在四棱锥
中,底面
是直角梯形,
,
,平面
平面
,E是
的中点,
,
,
.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/10/20/e8bec57e-7de7-4700-8617-11ff05d793a9.png?resizew=220)
(1)证明:
;
(2)求平面
与平面
夹角的余弦值.
![](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/5f79863ffcfa63117ca6741b20a48e69.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/080db3af81b29ed10144a1c2e2a4fb8a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/342d452a7b850cd3a15b23619ad39bd7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2726a625945b21b63804e07dd12c920c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ae79b7d1fc4131ae3b9de76e2fa45e5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/58fc6a5e71fa379d613ac1ef1cdf1048.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/10/20/e8bec57e-7de7-4700-8617-11ff05d793a9.png?resizew=220)
(1)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cdfa54114f04a75b8c96165b3718ed7f.png)
(2)求平面
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1e582d73b96ba649378379c3074d506d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/64eb31601464364be2baf4aa87404bcd.png)
您最近一年使用:0次
2022-06-25更新
|
1166次组卷
|
5卷引用:四川省内江市威远中学校2022-2023学年高三下学期第一次月考数学(理)试题
四川省内江市威远中学校2022-2023学年高三下学期第一次月考数学(理)试题新疆维吾尔自治区乌鲁木齐市第十二中学2024届高三上学期9月月考数学(理)试题浙江省嘉兴市2021-2022学年高二下学期期末数学试题江西省部分学校2022-2023学年高一下学期期末检测数学试题(已下线)第一章 空间向量与立体几何(基础、典型、新文化、压轴)分类专项训练-2022-2023学年高二数学考试满分全攻略(人教A版2019选择性必修第一册)
名校
5 . 如图,在三棱柱
中,点E,F分别在棱
,
上(均异于端点),
,
,
平面
.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/10/31/5e3a0c86-a33d-40dd-8b75-8cd8c5393f2c.png?resizew=260)
(1)求证:四边形
是矩形;
(2)若
,
,求平面
与平面
所成锐二面角的余弦值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5fbec5434bcf9173dfeebd92aa0c5070.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e0a851907ada2ac2c3c4880a6736d28a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d88bf46ad08f9677c37eed1d0369329.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/047dc9795efa99b6fb9fdf9778085dab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dba9cf66066aafbafb6116928eeb10ad.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d25e8fc3dda4f8b45491514b6e22a962.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b03428a8f91a5674cb8f54766c165f7e.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/10/31/5e3a0c86-a33d-40dd-8b75-8cd8c5393f2c.png?resizew=260)
(1)求证:四边形
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8a6480f384476190883f06c0289c7519.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/35c4599c8c996873814673237b8942df.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6d9e036eecc9aebcc2d2a2855bbfafdb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bef5239ddbb0972700ce01daf9ee7cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b03428a8f91a5674cb8f54766c165f7e.png)
您最近一年使用:0次
2021-09-18更新
|
1741次组卷
|
4卷引用:四川省内江市第六中学2022届高三下学期考前强化训练二数学(理科)试题
四川省内江市第六中学2022届高三下学期考前强化训练二数学(理科)试题湖北省新高考九师联盟2021届高三下学期2月质检巩固数学试题(已下线)专题04 二面角(含探索性问题)-【解题思路培养】2022年高考数学一轮复习解答题拿分秘籍(全国通用版)黑龙江省哈尔滨市第三中学2021-2022学年高二上学期10月月考数学试题
名校
解题方法
6 . 如图,直三棱柱
的侧面
为矩形,
,
,
.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/1/14/23997beb-41bf-456a-a3e3-94d5e9f4e633.png?resizew=160)
(1)求证:平面
平面
;
(2)设
为
的中点,求平面
与平面
所成锐角的余弦值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42d3a82b8e587ee890467835bc4e854c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ac61c24f99a4e466f1e2ea011893866.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ebe236a434aa88e5633ea61574d1bed8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bb5b12692517a39c320f99a479eb055.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/45acdbac251ca6b76a166c1242e71df9.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/1/14/23997beb-41bf-456a-a3e3-94d5e9f4e633.png?resizew=160)
(1)求证:平面
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/140088b0cb73812aa9d523c44559298a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7b94e97d085cea077cb82a0b7d2f523e.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ea848cd2aa3a464618020475097949fc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73845d4d663b3de0b281611fe2c762fe.png)
您最近一年使用:0次
2021-09-09更新
|
960次组卷
|
2卷引用:四川省成都市蒲江县蒲江中学2020年高三上学期11月月考数学(理)试题
7 . 如图,在直三棱柱
中,点
、
分别为
和
的中点.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/10/27/dc67479f-01e4-4abd-8307-1cf201bdd9ea.png?resizew=201)
(1)证明:
平面
;
(2)若
,
,求二面角
的余弦值.
![](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/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/56f7ba05c54b3de1f4378f7c8eb58328.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/10/27/dc67479f-01e4-4abd-8307-1cf201bdd9ea.png?resizew=201)
(1)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/063510e3c1fb6a7ccc3b8e3e3c7d660e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab3e0dba5705e1d749cfb21ebbb2ed93.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/080db3af81b29ed10144a1c2e2a4fb8a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/14d355b4c58b4e883b9e65cc6da8622e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/98e384e0ffc3d599303b77ee2a12221e.png)
您最近一年使用:0次
2020-09-25更新
|
932次组卷
|
3卷引用:四川省巴中市2021届高三零诊考试数学(理)试题
名校
8 . 如图四棱锥
中,底面
为矩形,
底面
,点
分别是棱
的中点
![](https://img.xkw.com/dksih/QBM/2020/12/2/2605425608286208/2608434565734400/STEM/f0051fef463c4855b1d5e15949ea0d41.png?resizew=190)
(1)求证![](https://staticzujuan.xkw.com/quesimg/Upload/formula/40c568d0ca4910fba8cb12fe3746d740.png)
(2)设
,求二面角
的平面角的余弦值.
![](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/c24074a80e07e8e533e4120ecc8f6ef0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad056c25c0fdcbcc765eb5cbc6093f2b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/589c3cc1f331dbb2248b0829039df7f3.png)
![](https://img.xkw.com/dksih/QBM/2020/12/2/2605425608286208/2608434565734400/STEM/f0051fef463c4855b1d5e15949ea0d41.png?resizew=190)
(1)求证
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/40c568d0ca4910fba8cb12fe3746d740.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f4aca5534bce25acaeb7379deed8f8f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f323421adf8083d252f0070f54f3a80.png)
您最近一年使用:0次
2020-12-06更新
|
1353次组卷
|
3卷引用:四川省师范大学附属中学2020-2021学年高三上学期期中数学(理)试题
四川省师范大学附属中学2020-2021学年高三上学期期中数学(理)试题(已下线)黄金卷03-【赢在高考·黄金20卷】备战2021年高考数学全真模拟卷(山东高考专用)云南省玉溪第二中学2020-2021学年高二下学期第一次月考数学(理)试题
名校
解题方法
9 . 如图,已知三棱柱
中,侧棱与底面垂直,且
,
,
、
分别是
、
的中点,点
在线段
上,且
.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/30/1aec0e7a-1bdf-4ff6-915c-6ba733ac01a9.png?resizew=170)
(1)求证:不论
取何值,总有
;
(2)当
时,求平面
与平面
所成二面角的余弦值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42d3a82b8e587ee890467835bc4e854c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/002c709e9fee8d477bddfe595cc760f7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36c4559d27e3905980d1a4f1856f07de.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/9d88bf46ad08f9677c37eed1d0369329.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11ddc92d84d188c66b435664a7e7b5a4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/666b6c488afe7142df3da04d0ef573cb.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/30/1aec0e7a-1bdf-4ff6-915c-6ba733ac01a9.png?resizew=170)
(1)求证:不论
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df64046e91b047037f19e4032e3b6de3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5e4ece75fe9b8555909be5a00d2b7af0.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/500d68f2678989a5ce7431cfd51b019d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22ce50ba5e349425274f05d46d120a74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bef5239ddbb0972700ce01daf9ee7cf.png)
您最近一年使用:0次
2020-08-05更新
|
923次组卷
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11卷引用:四川省宜宾市叙州区第二中学校2020届高三第一次高考适应性考试数学(理)试题
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名校
10 . 如图所示,直三棱柱
的各棱长均相等,点
为
的中点.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/23/21aae90c-683a-4a6c-90de-5c096cd8f5b3.png?resizew=151)
(1)证明:
;
(2)求二面角
的余弦值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42d3a82b8e587ee890467835bc4e854c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2777840758e70e7dbbc18cef8f3d6d2b.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/23/21aae90c-683a-4a6c-90de-5c096cd8f5b3.png?resizew=151)
(1)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c682d57582f9120e7dcd732fbbb6a35e.png)
(2)求二面角
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1fc9e74cf215bff0d4bfd3101e0e8dc6.png)
您最近一年使用:0次
2020-08-05更新
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365次组卷
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5卷引用:四川省阆中中学2020届高三适应性考试(二)数学(理)试题
四川省阆中中学2020届高三适应性考试(二)数学(理)试题2020届海南省天一大联考高三下学期第二次模拟数学试题四川省泸县第四中学2019-2020学年高二下学期期末模拟考试数学(理)试题(已下线)专题04 立体几何——2020年高考真题和模拟题理科数学分项汇编(已下线)考点27 空间直线、平面的垂直-备战2021年新高考数学一轮复习考点一遍过