名校
解题方法
1 . 如图,在直三棱柱
中,
,
,
是
边的中点,
.
的体积;
(2)求证:
面
;
(3)一只小虫从点
沿直三棱柱表面爬行到点
,求小虫爬行的最短距离.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42d3a82b8e587ee890467835bc4e854c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7c3e9ef3e849788645552cfb0735d987.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9c06154cae3bf7a8ce5a1e97a7380875.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d5973bb818894afc64255bdfb7400a77.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42d3a82b8e587ee890467835bc4e854c.png)
(2)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dbeedeebe9bcaebcd2c2bcade3366294.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5888bec948373f3854258ad80171073d.png)
(3)一只小虫从点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a18722354086c42e62334983fc50eb6a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
您最近一年使用:0次
名校
2 . 设函数
,其中向量
,
(
).
(1)求
的最小正周期;
(2)当
时,求
的值域;
(3)在
中,
,
,
分别是角
,
,
所对的边,已知
,
,
的面积为
,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4bbadb801b4df353885a517d465a3929.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73fe21f22d5096b4be7d14bdd4d0516a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/31bbaca753911a51e263b45a0c0231d7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24a57996290794e082b21d8f1dfc322a.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d003123a00ab2c34c28db58e32e6cf15.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(3)在
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/071a7e733d466949ac935b4b8ee8d183.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/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2efdeeb6b84f83665c70b6a8069d703c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a3c442579603164f3fc19458677d307.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/860884c0017c8bceb5b0edff796c144f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4a0d83444a29f1618ed79ad89c1dbae9.png)
您最近一年使用:0次
名校
3 . 已知复数
,
,则下列结论正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d9df77dc0d9ae32a07bd011af9928175.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/95316769aa8c8a67e04c232fdb904433.png)
A.![]() ![]() | B.![]() |
C.![]() | D.![]() |
您最近一年使用:0次
名校
4 . 已知平面向量
,
,则
在
上的投影向量为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f8cf79c6172116aea933f6f59b3ef65.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dc77f4da163cb8800d6a92637912077e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/64c5562bd4d1b54424330cb6329cd79d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b45ba716f03748c19b7ce2f99af536ab.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2024-06-13更新
|
326次组卷
|
13卷引用:四川省阆中中学校2023-2024学年高一下学期4月期中学习质量检测数学试题
四川省阆中中学校2023-2024学年高一下学期4月期中学习质量检测数学试题四川省阆中中学校2023-2024学年高一下学期期中考试数学试题重庆市朝阳中学2023-2024学年高一下学期期中考试数学试题四川省成都市成都外国语学校2023-2024学年高一下学期期中考试数学试题山西省大同市第一中学校2023-2024学年高一下学期4月期中考试数学试题第二章 平面向量及其应用章末重点题型复习(1)-同步精品课堂(北师大版2019必修第二册)重庆市杨家坪中学2023-2024学年2023-2024学年高一下学期5月月考数学试题广东省江门市新会第一中学等2023-2024学年高一下学期5月联考数学试题(已下线)专题01 第六章 平面向量-期末考点大串讲(人教A版2019必修第二册)海南省海口市海南中学2023-2024学年高一下学期第二次月考(6月)数学试题湖南省部分学校2024届高三下学期一起考大联考模拟(二)数学试题云南省文山州砚山县第三高级中学2023-2024学年高二下学期4月半月考数学试卷 河南省漯河市高级中学2024届高三下学期4月强化拉练一数学试题
解题方法
5 . 已知m,n是不同的直线,
,
是不重合的平面,则下列命题中,真命题有( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b5858ee1ce52b251816757257a11c29.png)
A.若![]() ![]() ![]() ![]() |
B.若![]() ![]() ![]() ![]() |
C.若![]() ![]() ![]() |
D.若![]() ![]() ![]() ![]() |
您最近一年使用:0次
2024-06-11更新
|
433次组卷
|
2卷引用:四川省南充市嘉陵第一中学2023-2024学年高一下学期第三次月考数学试卷
名校
6 . 若
,且
,则实数
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4e9e14a13cb93f30fa4cb2f30eb5ae52.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8bf21fef3026cfe445a855c94cab5c84.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6c57bbef89a37f1a3808c0ceeac0c22.png)
A.6 | B.![]() | C.3 | D.![]() |
您最近一年使用:0次
2024-06-08更新
|
661次组卷
|
2卷引用:四川省南充高级中学2023-2024学年高一下学期第二次月考(5月)数学试卷
2024高三·全国·专题练习
名校
7 . 若复数
(
是虚数单位),则
=( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dfbabba87af50439f840dc7790b7e2c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/579743813856e2a9183f5ec6eaaefbb2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5fcfebd9f5a57036e6df6b6e14865da3.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
名校
解题方法
8 . 已知
中,其内角
,
,
的对边分别为
,
,
,下列结论正确的有( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.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/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/071a7e733d466949ac935b4b8ee8d183.png)
A.若![]() ![]() |
B.若满足![]() ![]() |
C.若![]() ![]() |
D.![]() ![]() |
您最近一年使用:0次
9 . 如图,圆锥形脆皮筒上面放半球形的冰淇淋,为了保障冰淇淋融化后能落在脆皮筒里,不溢出来,某规格的脆皮筒规定其侧面面积是冰淇淋半球面面积的2倍,则此规格脆皮筒的体积与冰淇淋的体积之比为( )
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2024-06-08更新
|
861次组卷
|
2卷引用:四川省南充市西充中学校2023-2024学年高一下学期5月月考数学试题
10 . 如图,点
分别是矩形
的边
上的两点,
,
.
是线段
靠近
的三等分点、
是
的中点,求
;
(2)若
,求
的范围;
(3)若
,连接
交
的延长线于点
为
的中点,试探究线段
上是否存在一点
,使得
最大.若存在,求
的长;若不存在,说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f6bce3d91ca23b86d8c6625f2632e437.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ced9844fe2e052c70486af0740afa63.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/efc6e4b936d7a800e839a30c3839574d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09d27bd71d79cb19eb554175e4ef0867.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e52a8f07834cbbbe4224962672fbbb2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.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/c066b8e15742b2ef57131636e54ca0f4.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/50651ac65f1837e81ce47b71c5f4eeaf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cc5604d3e156df3e7ccca0ccec9c9d45.png)
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a1697dd04381cd28fece406c739960b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20a541b81584a032f571159ea152c85a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/604ed5bece96d5e878aa1c914acc2f9d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73465a1f9aa03481295bf6bd3c6903ac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54e3d3a8bb04c4f34676aa6166eac112.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bcdae78f4d3b8d8213ac3ac9a9567eb5.png)
您最近一年使用:0次