名校
1 . 命题“
,
”的否定是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d96b743603ab1c10330622f16db78dbe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a43df1bd8db7ec754f91b3f12e25a626.png)
A.![]() ![]() | B.![]() ![]() |
C.![]() ![]() | D.![]() ![]() |
您最近一年使用:0次
2024-01-17更新
|
478次组卷
|
6卷引用:2021年6月天津市普通高中学业水平合格性考试数学试题
解题方法
2 . 如图,在正方体
中,
与
的位置关系为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3ee8456443402a25b1e25d35ff7e1c98.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b319212a7e7528b053e1c7097e966.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/4/b1333d77-2b94-42bf-a229-09595757e3ea.png?resizew=160)
A.平行 | B.相交 |
C.异面但不垂直 | D.异面且垂直 |
您最近一年使用:0次
解题方法
3 . 如图,在四棱锥
中,底面
是正方形,
底面
,且
,则侧棱![](https://staticzujuan.xkw.com/quesimg/Upload/formula/33e7d551cca653e2d638c8cab4c2fda8.png)
__________ .
![](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/0e7b6d04f024ca05cdfacc8ce9137c15.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/33e7d551cca653e2d638c8cab4c2fda8.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/26/63c5d229-c12f-4d4a-bce2-cc4f7404854a.png?resizew=134)
您最近一年使用:0次
解题方法
4 . 在区间
上任取一个实数
,则
的概率是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c2aa311daf7a73f8c45de4462f9d92b6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/752455799e49f846e2601304fec5d3b8.png)
A.0.25 | B.0.5 | C.0.6 | D.0.75 |
您最近一年使用:0次
5 . 已知数列
的前
项和
满足:
.
(1)求证:数列
是等比数列,并求数列
的通项公式;
(2)求数列
的前
项和.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08eb71ecf8d733b6932f4680874dbbf3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4eb6457669c73995424232d9ef67983b.png)
(1)求证:数列
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8d17d72d1d20d385920c3d9da6bed8bb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
(2)求数列
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
您最近一年使用:0次
6 . 已知
的图象与
轴没有公共点,则
的取值范围是__________ (用区间表示).
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8b556bba482d021abc7e33b0b36eedc2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次
名校
7 . 已知数列
是公差不为零的等差数列,若
,
,
构成公比为
的等比数列,则
的值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e72adb45c60c2f63b46e65ff787302bf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3e88093a749c0d46e0ee931ecfaff925.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/daf464629fa321a6ff7401ab79f07083.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9aa8a716a31b0f51b70fdf9bdb257909.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9aa8a716a31b0f51b70fdf9bdb257909.png)
A.1 | B.2 | C.3 | D.4 |
您最近一年使用:0次
2023-12-26更新
|
330次组卷
|
3卷引用:广东省2021年普通高中学业水平合格性考试模拟测试数学试题(一)
广东省2021年普通高中学业水平合格性考试模拟测试数学试题(一)(已下线)4.3.1 等比数列的概念(分层练习)-2023-2024学年高二数学同步精品课堂(人教A版2019选择性必修第二册)江西省南昌市第十五中学,南昌市第十七中学2023-2024学年高二下学期第一次(3月)月考数学试题
8 . 在
中,角
的对边分别是
,已知
,
,
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24e0c10fb103930eabd5fa18e8f9bb06.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76f0649064a085fb74c997fb507a9b6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e65397f11ea8af736f38debadf420c4a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03837b3769eda7f0d3804cc5ad4a6d60.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01bf5065465ea27a87832d0353a0a3fa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f4e9bb42376c12d7d21702ae8062b25a.png)
A.7 | B.19 | C.![]() | D.![]() |
您最近一年使用:0次
2023-12-26更新
|
2209次组卷
|
3卷引用:广东省2021年普通高中学业水平合格性考试模拟测试数学试题(一)
广东省2021年普通高中学业水平合格性考试模拟测试数学试题(一)(已下线)第06讲 解三角形-《知识解读·题型专练》(人教A版2019必修第二册)湖南省长沙市德成学校2023-2024学年高一下学期3月月考数学试题
解题方法
9 . 下列函数中,在其定义域内是减函数的是( )
A.![]() | B.![]() |
C.![]() | D.![]() |
您最近一年使用:0次
10 . 已知集合
,
,
,则
等于( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dcf146ca3e048074cc0709887fa2d4ce.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/365c84a007e82cda046ba107d8804694.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/352ff96fa0c6ae2d60abccd10e648e55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be7026b721caf58b61b1daac10d7db2b.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次