名校
解题方法
1 . 如图,在四棱锥
中,四边形
是平行四边形,点F为
的中点.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/1/5/97ce03fd-4ef3-4ff4-9b7e-57a3d437e222.png?resizew=210)
(1)已知点G为线段
的中点,求证:CF∥平面
;
(2)若
,直线
与平面
所成的角为
,再从条件①、条件②、条件③这三个条件中选择几个作为已知,使四棱锥
唯一确定,求:
(ⅰ)直线
到平面
的距离;
(ⅱ)二面角
的余弦值.
条件①:
平面
;
条件②:
;
条件③: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/e0629ce42392a7fe9be21d25c39c3e64.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/1/5/97ce03fd-4ef3-4ff4-9b7e-57a3d437e222.png?resizew=210)
(1)已知点G为线段
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c4180c271831327644dc83240b715b5.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f83a04565a8ebaa111894b724b0ba266.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48f3c9abbd78e9a6840ee5f30381daac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f6b86c22b670a8e9f3896f9e8883fbbb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0585b6c0f156eecf9662b9846d4eb693.png)
(ⅰ)直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20af148464904e21f4374cc8fb886fba.png)
(ⅱ)二面角
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a38a3e226347af68d7b15295342e209.png)
条件①:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ccd4fd4b7a4d6b8ca0c5827c055a9ce7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
条件②:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a9c3ec174b1ce835cc8737ff6ce57e52.png)
条件③:平面
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e4aa9084b8fe0fe05c4388d1f835587b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/852aabd89edffc1b94344ff3f1f31ccd.png)
您最近一年使用:0次
2023-01-04更新
|
946次组卷
|
5卷引用:北京市西城区北师大二附中2022-2023学年高二上学期12月月考数学试题
北京市西城区北师大二附中2022-2023学年高二上学期12月月考数学试题北京市海淀区2022-2023学年高二上学期期末练习数学试题北京市中央民族大学附属中学2022-2023学年高二上学期期末数学试题(已下线)北京市海淀区2023届高三上学期期末练习数学试题变式题16-21河南省郑州市第一〇二高级中学2023-2024学年高二上学期10月月考数学试题
名校
2 . 如图,圆台
的轴截面为等腰梯形
,
,B为底面圆周上异于A,C的点.
内,过
作一条直线与平面
平行,并说明理由;
(2)设平面
∩平面
,
与平面QAC所成角为
,当四棱锥
的体积最大时,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e65ac334119ccd6204402a7aba29a55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/31e53b212640dadf751ef7f65a78a209.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b8c6d80251fdeabfebd65bca460d55b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8f664c0db517bec6886ff0b6100fd474.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/edc9ffc43a56921fe79f8602636b8b0f.png)
(2)设平面
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/edc9ffc43a56921fe79f8602636b8b0f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b0bd886276f8ff9df2a42013b337d726.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0d8772aa893a9c1d40f714cb25701701.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/29a0c82028e1259f300facd32775a15e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/52c6c1f6d821af7e3c8058993218a861.png)
您最近一年使用:0次
2023-02-25更新
|
2337次组卷
|
8卷引用:福建省泉州市2022-2023学年高二上学期期末教学质量监测数学试题
名校
3 . 世界上有许多由旋转或对称构成的物体,呈现出各种美.譬如纸飞机、蝴蝶的翅膀等.在
中,
.将
绕着
旋转到
的位置,如图所示.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/3/27/988d1a8e-5371-4dac-b5fe-ca36ad4ba5ff.png?resizew=418)
(1)求证:
;
(2)当三棱锥
的体积最大时,求平面
和平面
的夹角的余弦值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3e239f048f2b3a121fa40d16a6fd3c6e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0005e1ef60f6ddc5f9a83e3de1ef3b2e.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/3/27/988d1a8e-5371-4dac-b5fe-ca36ad4ba5ff.png?resizew=418)
(1)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76d72a007e3c4a134956b0e3fbde5f46.png)
(2)当三棱锥
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d4357d5744046d4d44abb09e1ee35fcb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7abd284f76d9f5769bc189508ce2572b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4739afd7311501e948aa4e1e5c1cb17.png)
您最近一年使用:0次
2023-02-25更新
|
862次组卷
|
3卷引用:福建省厦门市2022-2023学年高二上学期期末考试数学试题
解题方法
4 . 已知几何体
为正四棱柱
沿
和BE的中点C截去一个三棱柱后的剩余部分,其中
,如图,平面
与直线
的交点记为
.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/1/24/116f5e1c-ed7d-4003-9ad5-a26b446bfa8f.png?resizew=132)
(1)过A点作与平面
平行的平面
,试确定平面
与
的交点位置,并证明;
(2)求二面角
的正弦值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d4a541890b4b0adcda3bf3f835264099.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/358b818d13d0ee12e5cbdb51308ee7ef.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22adbc0da438220f9cace11b629d799b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f121eabff3c62c1a196d9ca5f6f83f0b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b367f040bb205eabcf9e79c0248c4d8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/532b8508cc5e5775356b060cb9216085.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/1/24/116f5e1c-ed7d-4003-9ad5-a26b446bfa8f.png?resizew=132)
(1)过A点作与平面
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a935b7d21a103a264b6e96ecf82dbe4a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11ddc92d84d188c66b435664a7e7b5a4.png)
(2)求二面角
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/91f434fbcfccf47a95b6d0fb2c363c35.png)
您最近一年使用:0次
解题方法
5 . 已知圆锥
的轴截面为等边三角形,
都是底面圆
的直径,弧
的长度是弧
长度的
,母线
上有
两点,
平面
.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/2/5/ee849799-8243-47b9-8bb0-12f4b44ce67c.png?resizew=224)
(1)求
;
(2)求
与平面
所成角的正弦值;
(3)若底面圆
的半径为1,求点
到平面
的距离.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/18e5ef91fb27dd684a27ae7f1993cfba.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b5c4cd264c97c1f261229925cc5a6761.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f89eef3148f2d4d09379767b4af69132.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8a6e2867f32d3f1c3cd36cd3a11a8580.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad056c25c0fdcbcc765eb5cbc6093f2b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cee6f5c97bf9968c6b47d8a8aeee6796.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7495688c046142f688c822209c0e968e.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/2/5/ee849799-8243-47b9-8bb0-12f4b44ce67c.png?resizew=224)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df64046e91b047037f19e4032e3b6de3.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7495688c046142f688c822209c0e968e.png)
(3)若底面圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7495688c046142f688c822209c0e968e.png)
您最近一年使用:0次
解题方法
6 . 五面体
中,
,
,
,
,
.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/1/17/410353fe-220b-4b60-8b28-c7dbaee37168.png?resizew=182)
(1)证明:
;
(2)给出①
;②
;③平面
平面
.
试从中选两个作为条件,剩下一个作为结论,可以让推理正确,请证明你的推理,并求出平面
和平面
夹角的余弦值.
注:如果选择不同组合分别解答,则按照第一个解答计分.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9165d9bfbb0f0d19eb482c2a4c1b29b7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d1773fc257a6f487d80c422887dd56d6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/856e8dc5903774a95bd29dcc2c9877bd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/35112927cf711e1c9fa4c7dd392465b4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f94ab32614c7ec18fd8a7549d712d15.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/af21524a6664ab1321e8ee1d53277996.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/1/17/410353fe-220b-4b60-8b28-c7dbaee37168.png?resizew=182)
(1)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5fdd872d41982e7b50ed2aba66595f8d.png)
(2)给出①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0e3f834d569575e10b7b7af40ff4548.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eff113d0df4877b8877721b05afb0321.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5352d28609d1b3d09a0a29d023d1bb72.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61510c34c5795d7261569b4d09098271.png)
试从中选两个作为条件,剩下一个作为结论,可以让推理正确,请证明你的推理,并求出平面
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ebce46aeb97373353179e5669365fa4a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/500df0e782bb081e608f4bc1d576afcf.png)
注:如果选择不同组合分别解答,则按照第一个解答计分.
您最近一年使用:0次
7 . 如图,四棱锥
的底面是矩形,
平面
,
为
的中点,且
,
,
.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/1/9/d1dc5688-5fbd-4ef2-9bb8-7728c9ee88a9.png?resizew=567)
(1)求点
到平面
的距离;
(2)求二面角
的大小;
(3)已知
为
的中点,若一只蚂蚁从
点出发,沿着四棱锥的表面爬行,求这只蚂蚁爬到点
的最短距离(结果精确到0.01).
![](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/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fcd0ced286a0fbc7e4862f8147264277.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fc11331a7b2d2619b40ee6d34c3bd620.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/491c3a4f72b84ebadd28b90711435adc.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/1/9/d1dc5688-5fbd-4ef2-9bb8-7728c9ee88a9.png?resizew=567)
(1)求点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b35708245a5da381178284f5ac7ce9c6.png)
(2)求二面角
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6ea5de1a95497e2818198d0c2a57669.png)
(3)已知
![](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/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
您最近一年使用:0次
2023-01-05更新
|
206次组卷
|
2卷引用:上海市上海财经大学附属中学2022-2023学年高二上学期期末数学试题
解题方法
8 . 在①
;②
,且直线
与平面ABCD所成角为
.这两个条件中任选一个,补充在下列问题中,并给予解答.
如图所示,四棱台ABCD
的上下底面均为正方形,且
⊥底面ABCD.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/1/6/fd6c95bd-2078-454d-8a61-9da758803bf7.png?resizew=139)
(1)证明:
;
(2)若 ,求二面角
的正弦值.
注:如果选择两个条件分别解答,按第一个解答计分.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9a1ab57cb79f3baae68bd2a5fe5b6f8c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/74eea2023b1c447b6a6ae5ff764d22d4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/69a7bcc1efb8a2ff57d64b6d057da463.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15615de1a6df206dbd081251f676578e.png)
如图所示,四棱台ABCD
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/793f4bcd1a10090b38c6c307a47bef8f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22adbc0da438220f9cace11b629d799b.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/1/6/fd6c95bd-2078-454d-8a61-9da758803bf7.png?resizew=139)
(1)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/02a0e00113872f921116b6c0c3177d0f.png)
(2)若 ,求二面角
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/45cbb74984939d59964559c3560ef7ba.png)
注:如果选择两个条件分别解答,按第一个解答计分.
您最近一年使用:0次
名校
9 . 如图①,
,将图①中左右两个三角形沿着
翻折成为图②所示的三棱锥,棱
上的点
满足
.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/18/d762f87b-936e-4b11-95e2-a5828ad05ba9.png?resizew=373)
(1)过点
作截面
平面
,写出作法并证明;
(2)当二面角
的大小为
时,求直线
与(1)中平面
所成角的正切值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51a584d06388fd4fd142832bc2205639.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7420dde38d656e3926e8228d81c13277.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/18/d762f87b-936e-4b11-95e2-a5828ad05ba9.png?resizew=373)
(1)过点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/414844edd458857bdfc80bffa61cbf9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca67a5b8f69507c8b80379e86f90a8ce.png)
(2)当二面角
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ec2524be492bca0d1566bf848066f10.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/231b861d6d1f1d0b9f52b041cb40eb62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
您最近一年使用:0次
解题方法
10 . 在几何体
中,底面
是边长为6的正方形,
,
,
,
均为正三角形,且它们所在的平面都与平面
垂直.
是线段
上的动点,
.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/4/12e03020-2ad4-4276-97df-0cb1f1bf54cf.png?resizew=155)
(1)若
,求三棱锥
的体积;
(2)若平面
平面
,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d17d4a6cf11cda87b3dfafaecdec683f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f14b86b8bf99386fc939c9c12b1355ec.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f6a0c85deb80d8e63bc60127e803f7ea.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c7ab8de2231d3bfbd289dcdf6d512667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6801e866d3f9f26886e271708a73a6b6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e0e57a13c665af88f326c9890072bf73.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f2e6648c9e56d68506017df7424be99c.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/4/12e03020-2ad4-4276-97df-0cb1f1bf54cf.png?resizew=155)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac1c3ea872a20fdc1843cb5ffce8a554.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1234a7bbfe925eeea7f17d30bfab88b3.png)
(2)若平面
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8cbfb8a8a4d0731f5b237d5c8e169725.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24fac8b38a9cf7602391f6d6ca933bd2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df64046e91b047037f19e4032e3b6de3.png)
您最近一年使用:0次
2022-12-04更新
|
474次组卷
|
4卷引用:新疆生产建设兵团地州学校2023届高三上学期一轮期中调研考试数学(理)试题