名校
1 . 已知四棱锥
中,
平面
,且
,底面
是边长为b的菱形,
.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/27/26668076-05c9-4c41-9de9-7dbf48f53120.png?resizew=217)
(1)求证:平面
平面
;
(2)设
与
交于点
为
中点,若二面角
的正切值是
,求
的值.
![](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/00803e67a5d417a9a4dc00277fca778b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e075468e7fb0bf30229aec01a7205977.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/27/26668076-05c9-4c41-9de9-7dbf48f53120.png?resizew=217)
(1)求证:平面
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f04c222223dae9ef27d4c132534d9848.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0628681907ac8d7fdb94d8bc1b15feb9.png)
(2)设
![](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/2ef19f98e86ae7504671413780b3b1a9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/828628c0876b45381c9a0edeb0fec236.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/caa8be8dc00840d3544f3b7264f83312.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b10e8abf8690e4b129466ddb918bcc94.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/06e15186cf03e17275602581a1da03fe.png)
您最近一年使用:0次
2021-09-13更新
|
1159次组卷
|
3卷引用:山东省师范大学附属中学2021-2022学年高三上学期开学考试数学试题
山东省师范大学附属中学2021-2022学年高三上学期开学考试数学试题广东省汕头市澄海中学2022届高三上学期第一学段考试数学试题(已下线)第35讲 利用传统方法解决立体几何中的角度与距离问题-2022年新高考数学二轮专题突破精练
名校
2 . 如图,在直三棱柱
中,
,且
,
是
,
的交点,
是
的中点.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/2/262f1e48-8968-4cf0-bd37-d8adc4296db6.png?resizew=247)
(1)求证:
平面
;
(2)求平面
与平面
夹角的大小.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42d3a82b8e587ee890467835bc4e854c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/615fc8790237a1b09af51d6bcad6b595.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e96a6b20a35af7755e5d90789ea862da.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b470c4e195cf7a07b7a331ce4b436e03.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e26d9636ad77369535852c6e4493446a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/56f7ba05c54b3de1f4378f7c8eb58328.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/2/262f1e48-8968-4cf0-bd37-d8adc4296db6.png?resizew=247)
(1)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/93cf663ee2bf1ac5c43f4306fa0cf250.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9afac7c616bbb14e1ed428a3c507c7dc.png)
(2)求平面
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0ef671ff46a372d5351b8c2f9eb26b48.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9afac7c616bbb14e1ed428a3c507c7dc.png)
您最近一年使用:0次
名校
3 . 如图,三棱锥
中,
底面
,
,
,
为
的中点,点
在
上,且
.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/1/14/3653d95c-6f1b-4592-b165-f292ad4b8d6c.png?resizew=127)
(1)求证:
平面![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0628681907ac8d7fdb94d8bc1b15feb9.png)
(2)求平面
与平面
所成的二面角的平面角(锐角)的余弦值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63397cda22cb1fad59cf966dfb588643.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c45fbffb9e2c7fa7c5006cde8da0cabe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bef5239ddbb0972700ce01daf9ee7cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/97e89a358226b4be8786077a60555c69.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b97aa0d985b33b0d82571b0b3a383e6c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48f3c9abbd78e9a6840ee5f30381daac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bd33764ff4efddfe11a98a609753715c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/216b9a949b87bd815f5937501a3c97ee.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/1/14/3653d95c-6f1b-4592-b165-f292ad4b8d6c.png?resizew=127)
(1)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/662698361c6b3ddaf0c28a3c87be53e0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0628681907ac8d7fdb94d8bc1b15feb9.png)
(2)求平面
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bef5239ddbb0972700ce01daf9ee7cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/87c0bfeadcf17b2a45896071f07a4a5a.png)
您最近一年使用:0次
2021-12-16更新
|
1340次组卷
|
2卷引用:西藏拉萨那曲高级中学2022届高三上学期期中考试数学(理)试题
4 . 如图所示,
为圆锥
底面圆的直径,点
为底面半圆弧
上不与
,
重合的一点,设点
为劣弧
的中点.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/13/28f67cc3-193c-4baa-b9ec-8ebfaaf5a18d.png?resizew=165)
(1)求证:
.
(2)设
,且圆锥的高为3,当
时,求二面角
的余弦值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/41e5db1d2fd912f77923e4c120a7dc19.png)
![](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/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/13/28f67cc3-193c-4baa-b9ec-8ebfaaf5a18d.png?resizew=165)
(1)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9971233dc3e8ef828046fbb94101b9d0.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fcd0ced286a0fbc7e4862f8147264277.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b57fdd2a3642716fcf5100011eb3ec88.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ae8f249c2bec5e988d4b1d233c80c5b4.png)
您最近一年使用:0次
解题方法
5 . 如图,在三棱锥D—ABC中,G是△ABC的重心,E,F分别在BC,CD上,且
,
.
![](https://img.xkw.com/dksih/QBM/2022/3/16/2937568463167488/2938680845516800/STEM/a9bb2de0d4534065ba668f42fc8fe81c.png?resizew=181)
(1)证明:平面
平面ABD;
(2)若
平面ABC,
,
,
,P是线段EF上一点,当线段GP长度取最小值时,求二面角
的余弦值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/91928fb7fc49b70ffd1f3a7dbeb566f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/47ad6b6519a55c2a502b9a94d3b514b4.png)
![](https://img.xkw.com/dksih/QBM/2022/3/16/2937568463167488/2938680845516800/STEM/a9bb2de0d4534065ba668f42fc8fe81c.png?resizew=181)
(1)证明:平面
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51daddc16eddbdf70ab3c15a28f6286b.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/97f30533da2e1d2a958dc906c37eba9d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/080db3af81b29ed10144a1c2e2a4fb8a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d2873cc55831ef240c0e172cf89ae29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aa7aeb2a8d1437eeb4482c3b6ad9f315.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d399d731913a563e291b817831a0c678.png)
您最近一年使用:0次
名校
6 . 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
7 . 如图在三棱锥P-ABC中,平面PAB⊥平面PBC,PB⊥BC,PD=DB=BC=AB=AD=2.
![](https://img.xkw.com/dksih/QBM/2021/9/3/2800036107902976/2801395416547328/STEM/bc8e1bc7-54a6-4ea9-8ad0-2e47501d2c75.png?resizew=198)
(1)证明:PA⊥平面ABC;
(2)求二面角B-AD-C的余弦值.
![](https://img.xkw.com/dksih/QBM/2021/9/3/2800036107902976/2801395416547328/STEM/bc8e1bc7-54a6-4ea9-8ad0-2e47501d2c75.png?resizew=198)
(1)证明:PA⊥平面ABC;
(2)求二面角B-AD-C的余弦值.
您最近一年使用:0次
2021-09-05更新
|
1545次组卷
|
4卷引用:安徽省名校联盟2021-2022学年高三上学期开学考试理科数学试题
安徽省名校联盟2021-2022学年高三上学期开学考试理科数学试题(已下线)2021年全国高考甲卷数学(理)试题变式题16-20题(已下线)2021年全国高考甲卷数学(理)试题变式题16-20题海南省琼海市嘉积中学2021-2022学年高一下学期期末数学试题
名校
解题方法
8 . 如图,在三棱柱
中,
,
,四边形
是菱形,
,平面ABB1A1⊥平面ABC,点
是
中点,点
是
上靠近
点的三等分点.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/29/0367339c-fbc9-4a69-b811-46dbd0403ca0.jpg?resizew=207)
(1)证明:
;
(2)求直线
与平面
所成角的正弦值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42d3a82b8e587ee890467835bc4e854c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/615fc8790237a1b09af51d6bcad6b595.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4b10134e7a46e6f6f7cb9d5e2371727d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab3e0dba5705e1d749cfb21ebbb2ed93.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/86cab6037cdd25b50d219550046a37fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e0a851907ada2ac2c3c4880a6736d28a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/29/0367339c-fbc9-4a69-b811-46dbd0403ca0.jpg?resizew=207)
(1)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e4b5068a142c39664e25539d27be030b.png)
(2)求直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e26d9636ad77369535852c6e4493446a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8a8035fc825a001d7d9a3dacd8271662.png)
您最近一年使用:0次
2021-06-03更新
|
1553次组卷
|
6卷引用:百师联盟2021届高三冲刺卷(二)新高考卷数学试题
百师联盟2021届高三冲刺卷(二)新高考卷数学试题(已下线)7.5 空间向量求空间角(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)秘籍06 空间向量与立体几何(理)-备战2022年高考数学抢分秘籍(全国通用)(已下线)专题19 空间几何解答题(理科)-1浙江省绍兴市鲁迅中学2022-2023学年高二普通班上学期期末模拟数学试题江西省宜春市宜丰县宜丰中学2022-2023学年高二上学期第三次月考(12月)数学试题
名校
9 . 如图,在四棱锥
中,底面
是矩形,
平面
,
,点E、M分别在线段
、
上,且
,连接
,延长
与
的延长线交于点F,连接
,
.
![](https://img.xkw.com/dksih/QBM/2021/10/17/2831075522772992/2833959570628608/STEM/d3c94f7d1d914952bca1cfcc79068ed6.png?resizew=337)
(1)求证:
平面
;
(2)若
时,求平面
与平面
所成角的正弦值;
(3)若直线
与平面
所成角的正切值为
,求
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/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a48a7409e1a2071eccd3a0a0ac1699d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48f3c9abbd78e9a6840ee5f30381daac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/251eb070e41f6efcdf988c717bb252f2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4eedae8d316c76e3d0b451256de03fb9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4eedae8d316c76e3d0b451256de03fb9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/67d822262ff00915910e5b87d81ad1ba.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fc5adb5eb60ae4435a12d93854066298.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fb26d84907c923278ac4626a9d58947.png)
![](https://img.xkw.com/dksih/QBM/2021/10/17/2831075522772992/2833959570628608/STEM/d3c94f7d1d914952bca1cfcc79068ed6.png?resizew=337)
(1)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cb841d975d5c7ab05598040e99df6825.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d0901e2f5cefe6468cbbcaa332287d63.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73b3cf0f585938ede9eca890a6eb326d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bec7e56107b5f2f34e420caffd1159b3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d246f9eceab371ebf47a47c2f11a4ad.png)
(3)若直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fc5adb5eb60ae4435a12d93854066298.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e7b7c83470489253394bd288d7c920df.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f89eef3148f2d4d09379767b4af69132.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df64046e91b047037f19e4032e3b6de3.png)
您最近一年使用:0次
名校
10 . 如图,在四棱锥
中,
平面
,
,
,
,
为
中点,
.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/12/18b9bac0-d4de-4d6c-9b69-747b73fead9c.png?resizew=233)
(1)求证:BC//平面
;
(2)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/ccd4fd4b7a4d6b8ca0c5827c055a9ce7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/52a923784f083b7f4777891afe06b44e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f8eeeea1c9652cacce976f8129cf520.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0c14a66ed4bd66df65bc42c4ac1ed15c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2be49c37e30a3ced0364c3e74d8c687.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7aa1162d5481e2441fe5bc0d49a576b0.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/12/18b9bac0-d4de-4d6c-9b69-747b73fead9c.png?resizew=233)
(1)求证:BC//平面
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/852aabd89edffc1b94344ff3f1f31ccd.png)
(2)求直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68a83fdd2ba72a2dba0b6b10bb3e06b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/80f747eb5b2d21c9de962cbfd4ec4bb7.png)
您最近一年使用:0次
2021-08-16更新
|
1295次组卷
|
4卷引用:一轮复习大题专练49—立体几何(线面角1)—2022届高三数学一轮复习
(已下线)一轮复习大题专练49—立体几何(线面角1)—2022届高三数学一轮复习北京市第二十二中学2022届高三上学期期中数学试题北京市延庆区2020-2021学年高二下学期期末考试数学试题四川省宜宾市叙州区第一中学校2022-2023学年高二下学期期中理科数学试题