名校
1 . 如图,正方体
的棱长为1,线段
上有两个动点
,
,且
,则下列结论中正确的是( )
![](https://img.xkw.com/dksih/QBM/editorImg/2022/10/15/c1fa2a82-1b7f-4362-ac34-227e52e02bdb.png?resizew=185)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8cfbc0b5a8fbde804bd8425a4b76d207.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/f115f2683c0422042f1846450885e7fe.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/10/15/c1fa2a82-1b7f-4362-ac34-227e52e02bdb.png?resizew=185)
A.异面直线![]() ![]() |
B.![]() |
C.![]() ![]() |
D.三棱锥![]() |
您最近一年使用:0次
2020-12-08更新
|
1642次组卷
|
7卷引用:福建省三明市三地三校2020-2021学年高二上学期期中联考数学试题
名校
2 . 如图,点
是以
为直径的圆上的动点(异于
,
),已知
,
,四边形
为矩形,平面
平面
.设平面
与平面
的交线为
.
![](https://img.xkw.com/dksih/QBM/2020/12/2/2605644902588416/2609901632307200/STEM/1a68d1f2-0554-4411-ad92-836d67c9b493.png?resizew=273)
(1)证明:
平面
;
(2)当三棱锥
的体积最大时,求平面
与平面
所成的锐二面角的余弦值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.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/fcd0ced286a0fbc7e4862f8147264277.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c64f5f11748e0277788dd252ac62d57d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dafb1a0ad813ac32b1d3f9c408f623d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3d7090639341730951c1bc3c9b6164e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2fa7bbd7831e9ff4f8cffc8889d34f05.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2194add18a7df1a23cf1554dc2da1b40.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bef5239ddbb0972700ce01daf9ee7cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://img.xkw.com/dksih/QBM/2020/12/2/2605644902588416/2609901632307200/STEM/1a68d1f2-0554-4411-ad92-836d67c9b493.png?resizew=273)
(1)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a9df740160690029ac1e730c85f20347.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4eb7e9ad5486cf1c5e506b20c5469e8.png)
(2)当三棱锥
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf81f142b84adcf278b51c62c88e6afc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b9a32bd7a1b78b5a0ec562c4025aea8c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bef5239ddbb0972700ce01daf9ee7cf.png)
您最近一年使用:0次
2020-12-08更新
|
796次组卷
|
3卷引用:山东省菏泽市2021届高三上学期期中考试数学试题(A)
名校
3 . 如图,在四棱锥
中,
底面
,底面
为菱形,
,
,
为
的中点.
平面
;
(2)求平面
与平面
所成二面角的正弦值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0585b6c0f156eecf9662b9846d4eb693.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/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e075468e7fb0bf30229aec01a7205977.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bc61de08bda0c44e06ad89d306c0bb3f.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/97f30533da2e1d2a958dc906c37eba9d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3e6c2dad46a9052a4185a4f7b4ae8a2e.png)
(2)求平面
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3e6c2dad46a9052a4185a4f7b4ae8a2e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e7b7c83470489253394bd288d7c920df.png)
您最近一年使用:0次
2020-12-04更新
|
1008次组卷
|
18卷引用:河南省豫北名校2020-2021学年高二上学期11月质量检测数学(理)试题
河南省豫北名校2020-2021学年高二上学期11月质量检测数学(理)试题河北省正定县第一中学2020-2021学年高二上学期期中数学试题福建省南安市蓝园高级中学2022-2023学年高二上学期9月学情检测数学试题(已下线)黄金卷18-【赢在高考·黄金20卷】备战2021高考数学全真模拟卷(新高考专用)贵州省凯里市第一中学2020-2021学年高二上学期期末考试数学(理)试题青海省海南州高级中学、贵德中学2020-2021学年高二下学期期中联考数学(理)试题江西省新余市新钢中学2020-2021学年高二下学期第一次段考数学(理)试题湖湘大联考2021-2022学年高二上学期10月月考数学试题广西贺州市昭平中学2021-2022学年高二上学期第二次月考数学(理)试题重庆市涪陵第二中学校2022-2023学年高二上学期第一次月考数学试题河北省沧州市任丘市第一中学2022-2023学年高二上学期第一次阶段考数学试题河北省唐县第一中学2022-2023学年高二上学期11月月考数学试题陕西省宝鸡教育联盟2022-2023学年高二下学期期末理科数学试题山西省朔州市怀仁市第一中学校、大地学校高中部2023-2024学年高二上学期第二次月考数学试题安徽省泗县第二中学2023-2024学年高二上学期第一次月考数学试题广西壮族自治区北海市2023-2024学年高二上学期期末教学质量检测数学试题湖北省恩施州巴东县第三高级中学2023-2024学年高二上学期第二次月考数学试题内蒙古乌兰浩特市第四中学2023-2024学年高二上学期期中考试数学试题
4 . 如图,已知
平面
,四边形
为矩形,四边形
为直角梯形,
,
,
,
.
![](https://img.xkw.com/dksih/QBM/2020/11/13/2592100518371328/2605582305214464/STEM/d972a812fa604e2b84970bf6a7eb836a.png?resizew=230)
(1)求证:
平面
;
(2)求三棱锥
的体积.
![](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/2dde327febef2331a4766a79b433cc02.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b2b377f22aafd3742ad860f77abaacef.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/10df84d553a8826a7ce9bff4bf0d95b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/768c2ebf7e4c39d125e6a95369c41b06.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d2c15801fee2405573677484f5dcfa4.png)
![](https://img.xkw.com/dksih/QBM/2020/11/13/2592100518371328/2605582305214464/STEM/d972a812fa604e2b84970bf6a7eb836a.png?resizew=230)
(1)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e56fdf217165748fafe938b64fa08179.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/500df0e782bb081e608f4bc1d576afcf.png)
(2)求三棱锥
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/199098479c92e87304b91871172d46e0.png)
您最近一年使用:0次
2020-12-02更新
|
1769次组卷
|
13卷引用:福建省永安市第三中学2020-2021学年高二10月月考数学试题
福建省永安市第三中学2020-2021学年高二10月月考数学试题2016届广东省惠州市高三上学期第二次调研考试文科数学试卷【全国百强校】宁夏银川一中2019届高三第三次月考数学(文)试题【全国百强校】宁夏银川一中2018-2019学年高一上学期期末考试数学试题2020届湖南省长沙市长郡中学高三上学期月考(四)数学(文)试题甘肃省白银市会宁县第二中学2019--2020学年度第二学期高二期末数学试题甘肃省白银市会宁二中2019-2020学年高二(下)期末数学(文科)试题广西钦州市第一中学2021届高三8月月考数学(文)试题西藏自治区日喀则区南木林高级中学2021届高三上学期第二次月考数学试题广东省揭阳市第三中学2020-2021学年高二上学期期中数学试题江西省吉安县立中学2020-2021学年高二12月月考数学(文A)试题宁夏平罗中学2021届高三上学期期末考试数学(文)试题陕西省西安市阎良区2021-2022学年高一上学期期末数学试题
名校
5 . 如图,四边形ABCD为正方形,
分别为
的中点,以DF为折痕把
折起,使点C到达点P的位置,且
.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/2/16/afc934c0-9bdc-4031-9513-e4b4f9d1d73a.png?resizew=199)
(1)证明:
平面PEF;
(2)求直线DP与平面ABFD所成角的正弦值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5d70de1ffdd9aa376b09bbcfa12644a1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/866862176201864acf32a1838fd7eda2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15a37ba261860ddad9d11b2e8348a8f3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac536e856feb18e6675a661f8fa44470.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/2/16/afc934c0-9bdc-4031-9513-e4b4f9d1d73a.png?resizew=199)
(1)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5fa3c61d6c19e187b4b824b6f5610cdb.png)
(2)求直线DP与平面ABFD所成角的正弦值.
您最近一年使用:0次
2020-12-02更新
|
342次组卷
|
3卷引用:广东省佛山市第一中学2020-2021学年高二(重点班)上学期第一次段考数学试题
名校
6 . 在四棱锥
中,平面
平面
,底面
为直角梯形,
,
,
,
为线段
的中点,过
的平面与线段
,
分别交于点
,
.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/2/18/6c56e855-6768-44df-9a67-e23fd104fa6b.png?resizew=172)
(1)求证:
平面
;
(2)若
,点
为
的中点,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/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/d5acb763021bf166ca719d07223591d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4795ee1f96b430529934e2231b38885d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/639bec6242a4b3f7bfb4b7033a67328c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85c4bdfb0db1e31e8459df1d15f9ab55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e0629ce42392a7fe9be21d25c39c3e64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48f3c9abbd78e9a6840ee5f30381daac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/895dc3dc3a6606ff487a4c4863e18509.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/2/18/6c56e855-6768-44df-9a67-e23fd104fa6b.png?resizew=172)
(1)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36148e5b0d89ba45bd98b91da00bf2b5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/852aabd89edffc1b94344ff3f1f31ccd.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1328e05d150f86dbe18656662eaa8f6b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/895dc3dc3a6606ff487a4c4863e18509.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e0629ce42392a7fe9be21d25c39c3e64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2be49c37e30a3ced0364c3e74d8c687.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5868de99a3e94b13316b0122f22d3f91.png)
您最近一年使用:0次
2020-12-01更新
|
956次组卷
|
4卷引用:福建省泉州市2020-2021学年高二上学期期中考试数学试题(B)
福建省泉州市2020-2021学年高二上学期期中考试数学试题(B)山东省菏泽市2020-2021学年高二(上)期中数学试题(b卷)(已下线)专题10 立体几何与空间向量-2021年高考冲刺之二轮专题精讲精析山西省平遥中学校2021-2022学年高二上学期期中数学试题
7 . 如图,在四棱锥
中,底面
为菱形,
,侧面
是边长为2的正三角形,
为
的中点,且
平面
.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/20/5b061606-1af6-4470-90e6-f769e706e29f.png?resizew=194)
(1)证明:平面
平面
;
(2)求三棱锥
的高.
![](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/ea4f5eec0addba78f2e0cdfb7ecc59a6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/852aabd89edffc1b94344ff3f1f31ccd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a7442b64b37f685bc3ae88ff450c1a8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/20/5b061606-1af6-4470-90e6-f769e706e29f.png?resizew=194)
(1)证明:平面
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2d24305d21268a9b67cf6a8daae6bbe4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/852aabd89edffc1b94344ff3f1f31ccd.png)
(2)求三棱锥
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c10c16d2d9d22c4b34ddd965e26aa0d7.png)
您最近一年使用:0次
名校
解题方法
8 . 如图所示,在三棱锥
中,侧棱
平面BCD,F为线段BD中点,
,
,
.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/26/5f5a3760-d2bd-496a-a248-78440b7ff305.png?resizew=183)
(1)证明:
平面ABD;
(2)设Q是线段AD上一点,二面角
的正弦值为
,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/891579e7c231584a8e16b8eeff79888e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/21f9157fce2a8339d281178c7c0bccbe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fa6a69a05050a00e06e0de27b924b452.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/efc6e4b936d7a800e839a30c3839574d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08ad8d16722f5b9e7fd2602f14d5ffbe.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/26/5f5a3760-d2bd-496a-a248-78440b7ff305.png?resizew=183)
(1)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac0b72906641ed13716cfbce50923282.png)
(2)设Q是线段AD上一点,二面角
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9a27b9e57d4acad4821b0b4782190446.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3bf216de7bc00f9d89589596f3edcc3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d7c9ca2a954ae6caf0e8a2b13feffac7.png)
您最近一年使用:0次
2020-11-30更新
|
1749次组卷
|
8卷引用:江苏省宿迁中学2020-2021学年高三上学期期中巩固测试数学试题
江苏省宿迁中学2020-2021学年高三上学期期中巩固测试数学试题福建省莆田市仙游第一中学等五校联考2022-2023学年高二上学期期末数学试题广西桂林市2021届高三第一次联合调研考试理科数学试题河北省衡水市第一中学2022届高三上学期第一次调研数学试题(已下线)7.6 空间向量求空间距离(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)押全国卷(理科)第19题 空间向量与立体几何-备战2022年高考数学(理)临考题号押题(全国卷)(已下线)模块五 专题5 期末全真模拟(拔高卷1)期末终极研习室(高二人教A版)山东省泰安市新泰市第一中学东校2023-2024学年高二上学期冬季学科竞赛数学试题
19-20高一·浙江杭州·期末
解题方法
9 . 如图,在三棱锥
中,点
在以
为直径的圆上运动,
平面
,
,垂足为
,
,垂足为
,若
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/415a90bc0c094a112d7c3e894cf53380.png)
__________ ,三棱锥
体积的最大值是__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63397cda22cb1fad59cf966dfb588643.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ccd4fd4b7a4d6b8ca0c5827c055a9ce7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bef5239ddbb0972700ce01daf9ee7cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cdfa54114f04a75b8c96165b3718ed7f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c3672e603d06c9186edd20cfc662d8dc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/02f5270196291ea58f14df802e32efe5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/415a90bc0c094a112d7c3e894cf53380.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/212b200cb65843fe03aab377d53991d7.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/2/17/682c1d87-570f-4cde-be2f-9660c2d4053b.png?resizew=193)
您最近一年使用:0次
2020-11-30更新
|
383次组卷
|
6卷引用:【新东方】杭州新东方高中数学试卷396
(已下线)【新东方】杭州新东方高中数学试卷396浙江省9+1高中联盟2020-2021学年高二上学期期中数学试题福建省泉州一中、莆田二中、仙游一中2020-2021学年高一下学期期中联考数学试题(已下线)专题11.3空间中的垂直关系(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)【新东方】在线数学161高二上(已下线)专题24 立体几何中垂直的存在性问题-【重难点突破】2021-2022学年高一数学常考题专练(人教A版2019必修第二册)
10 . 已知
是面积为
的等边三角形,且其顶点都在球
的球面上.若球
的表面积为
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c7cb903441d8e6b4448c3d5d7959d9d7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/95345846d2dd4dfa042a9093c62a8b82.png)
A.![]() | B.![]() ![]() ![]() |
C.![]() ![]() | D.二面角![]() ![]() |
您最近一年使用:0次
2020-11-30更新
|
329次组卷
|
4卷引用:福建省福清西山学校高中部2021届高三上学期期中考试数学试题
福建省福清西山学校高中部2021届高三上学期期中考试数学试题(已下线)黄金卷13-【赢在高考·黄金20卷】备战2021高考数学全真模拟卷(新高考专用)(已下线)专题17 几何体与球切、接的问题 (练)-2021年高三数学二轮复习讲练测(新高考版)河北省保定市高碑店市崇德实验中学2024届高三上学期期末数学试题