1 . 计算:![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a33b0e8fdb671b5d21433b0c85de8cd.png)
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a33b0e8fdb671b5d21433b0c85de8cd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f48d1cef67d5595beabdaf72e0ebd903.png)
您最近一年使用:0次
22-23高二·全国·课后作业
2 . 解不等式
;
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d6758f432f8f0bebcdea3500723436f2.png)
您最近一年使用:0次
22-23高二·全国·课后作业
3 . 求关于
的不等式
的解集.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1a787f7b03d4d37878e94c2f2d3e3c0c.png)
您最近一年使用:0次
名校
解题方法
4 . 已知
,若各项系数中只有
最大,则正整数n的最小值为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b05d3878dc3e81e480371001b843686.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/daf464629fa321a6ff7401ab79f07083.png)
您最近一年使用:0次
2023-04-23更新
|
356次组卷
|
2卷引用:辽宁省阜新市2022-2023学年高二下学期4月联合考试数学试题
名校
5 . 已知
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0888cb414f26d361eb5ee6df91e6b6b3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f3cb8d72bb2e281b943b3b430138ef7.png)
A.5 | B.4 | C.3 | D.2 |
您最近一年使用:0次
2023-04-23更新
|
299次组卷
|
2卷引用:辽宁省阜新市2022-2023学年高二下学期4月联合考试数学试题
名校
6 . 设
是定义在D上的函数,如果
,当
时,都有
,则称
为D上的“非严格递减函数”,已知集合
,其中
,集合
,则满足定义域是
,值域是
的子集的非严格递减函数有( )个
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2836e6fab597cbfbbc38ce832c6d0191.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/26d8dafc71b106f39f4e15442220897b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5ce40da2cbd52723210bbfa98a7f81b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c0616b5ffd9092ac782e5bb529482a04.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e1ccce8225324817b0577551956464f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d6afe15c9d82751a0e81174329bab0eb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
A.56 | B.126 | C.252 | D.462 |
您最近一年使用:0次
7 . 已知
,则
的值可能为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3fc46d4a63d68477783b74ced8103682.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
A.2 | B.4 | C.7 | D.9 |
您最近一年使用:0次
2023-04-21更新
|
267次组卷
|
2卷引用:山西省吕梁市2022-2023学年高二下学期期中数学试题
名校
8 . 在如图所示的杨辉三角中,从第2行开始,每一行除两端的数字是1以外,其他每一个数字都是它肩上两个数字之和,在此数阵中,若对于正整数
,第
行中最大的数为
,第
行中最大的数为
,且
,则
的值为( )
![](https://img.xkw.com/dksih/QBM/editorImg/2023/4/21/5dfbb57c-61f3-42e4-9d67-acff4c548bd9.png?resizew=264)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e2d51f9147b8265c0276c1f2c2659197.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2def5aa62f497709e1bd8258583d62fa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5e8ef1189de1a8611f1f0adf4b62a67a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/4/21/5dfbb57c-61f3-42e4-9d67-acff4c548bd9.png?resizew=264)
A.5 | B.6 | C.7 | D.8 |
您最近一年使用:0次
9 . 在下图中,从第2行起,除首末两个位置外,每个位置上的数都等于它肩上的两个数的和,最初几行是:
![](https://img.xkw.com/dksih/QBM/editorImg/2023/4/20/b7f3c5c7-6c51-4a2d-b018-60ab86c75477.png?resizew=248)
自左向右,第n行第
个数记为
(n,
且
).若
(
且
),则k的值为________ ;
(
且
)的值为________ .
![](https://img.xkw.com/dksih/QBM/editorImg/2023/4/20/b7f3c5c7-6c51-4a2d-b018-60ab86c75477.png?resizew=248)
自左向右,第n行第
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/12444d6e8d3b097a9d090e6ed06042e4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4720adf98def54ed63b2c67c9a66558a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a61fbe58f038432c468241d2771fb85d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/50a498a3bb9809ca8a71cc1ed17e940a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f228b25ce93d8ad336ed933dd57c3729.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ec3dc60c5bd84b5e0cde3be66c15c09.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/53b4b3879d1c6debf0333008f686634e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4bcbe0cc1b35ec8cf0a21668c1464bb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/65a40142c84be68ee2918c3a8303388c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a40c2b2800c7147771d1f246349348d.png)
您最近一年使用:0次
10 . 已知
,则
的值是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81f0e7a995ab38396189cf860fc950c3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
A.6 | B.3 | C.6或3 | D.7 |
您最近一年使用:0次