2011高三·湖北·竞赛
1 . 对一切满足
的实数
、
,不等式
恒成立.则实数
的最小值为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4edf2e906d4bbfdb6d02e13597236ac8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be073f77137d537c1d1926d2e42d2ace.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
2011高三·湖北·竞赛
2 . 已知
,满足集合
,则所有
构成的集合为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1e69392d21261afd8e5e5f096634669.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8732a99e5a04516ac0838350fd8f344b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
您最近一年使用:0次
2007高三·湖北·竞赛
3 . 使得
是完全平方数的正整数
有( )个.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/91458472e655e2f9f17a03028294c900.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
A.0 | B.1 | C.2 | D.3 |
您最近一年使用:0次
2011高三·湖北·竞赛
4 . 设
是模为
的复数.则
的最大值与最小值的和为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e81e59019989b7dc2fb59b037ef6e010.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61128ab996360a038e6e64d82fcba004.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acd49d374aeb8e3aa003b628a93a7c1e.png)
您最近一年使用:0次
5 . 设
,
,复数z满足
.则表示复数z的点的轨迹是( ).
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2896e56babe9d7adbe036e158b28d4d5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a6ddc2628652883b1401c7bfd1364ae.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a50d6242178b6eeb76f0df35ace62c6e.png)
A.双曲线 | B.双曲线一支 |
C.一条直线 | D.一条射线 |
您最近一年使用:0次
6 . 记[a]表示不超过实数a的最大整数.则方程
的最大正整数解为_____ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/82f0723157168f65c8d8ae7c12251377.png)
您最近一年使用:0次
7 . 将平面上两坐标均为整数的点称为整点,则曲线
通过的整点数为( ).
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ff110d5c0bf09458ccd3f32acc1d22c7.png)
A.0个. | B.1个. | C.2个. | D.无穷多个. |
您最近一年使用:0次
8 . 已知函数
满足
(1)=2,且
对定义域内任意的x均成立.则f(2016)= _________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca4ff0af96ea467337cb30c4c765b5f7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/26d358b912bb5efb85e11dfe8363e3fd.png)
您最近一年使用:0次
9 . 已知
,且
.求实数a的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/43470d2881fccc93fe699dd2ffde7595.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef8f0818ea7ef429cd05079df9397330.png)
您最近一年使用:0次
10 . 点
分别在
边BC,AC,AB上,且
,若
周长为p,
周长为s,求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df2c4f20594ab1443c0d8dcce42895f3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20e5eabf1e39797a25d313eb981bb513.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4310db23fc79936c7182361e652bab1a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7e7833754f8ac292bfc0893469725332.png)
![](https://img.xkw.com/dksih/QBM/2018/12/5/2090232707735552/2091695536824320/STEM/155820fd-5535-4132-a4f2-3e927006f356.png)
您最近一年使用:0次