1 . 若
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5113986d9507fc5015e71989831c128b.png)
_________________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48afb1fe085ac65e8eca3f76c34c2870.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5113986d9507fc5015e71989831c128b.png)
您最近一年使用:0次
2016-12-02更新
|
967次组卷
|
3卷引用:2013年浙江省高中数学竞赛试卷
2 . 某程序框图如下,当E
0.96时,则输出的K=( )
![](https://img.xkw.com/dksih/QBM/editorImg/2022/6/16/fcfb74bc-c60f-43e5-bce0-aaa6f6665087.png?resizew=180)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6706fe00b4e231e62d9ecbec567d526b.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/6/16/fcfb74bc-c60f-43e5-bce0-aaa6f6665087.png?resizew=180)
A.20 | B.22 | C.![]() | D.25 |
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解题方法
3 . 数列
,则数列中最大项的值为______________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d6486408a9f0567d9b89d7d71613bac4.png)
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4 . 设
满足
数列
是公差为
,首项
的等差数列; 数列
是公比为
首项
的等比数列,求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e4935544664f86edc57a0c3410fcf897.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5217df154813a81ad37c406027e9f667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76c6099506bd60534ed57a71e3678b31.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/affd21d3fc4f76dcc7fffa227541df28.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5f6cc218c568cc9d08e620696d1f61f0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6e8e67f649bb2e18fc02d6118ff4e2a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/decb5e8546e79397586cbbdf0fc2e085.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6c1f5a2d53d857943074a092006e110d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/50dedd2d9712979cae558023a3ae94b9.png)
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解题方法
5 . 设直线
与曲线
有三个不同的交点
,且
,则直线
的方程为_________________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f435478cc2eb506c39ad2fbed530698.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24e0c10fb103930eabd5fa18e8f9bb06.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/71d9d881cc35856bb44536059c4259a4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
您最近一年使用:0次
2016-12-02更新
|
1163次组卷
|
3卷引用:2013年浙江省高中数学竞赛试卷
6 . 若三位数
被7整除,且
成公差非零的等差数列,则这样的整数共有( )个.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a675d752761f68640cb84085823063bf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76f0649064a085fb74c997fb507a9b6d.png)
A.4 | B.6 | C.7 | D.8 |
您最近一年使用:0次
7 . 设函数
,则函数
的极大值点为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/adc7ffa1014c053dcd00c75a36b5e8dd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
8 . 设二次函数
在[3,4]上至少有一个零点,求
的最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bffe6b64c25be8dba57216aaa0052bd4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c925be255ca736a53b24d13ddede1a86.png)
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解题方法
9 . 已知等比数列
,
且第一项至第八项的几何平均数为9,则第三项是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b13a6e1d671215fc96e4bee3541d1096.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
解题方法
10 . 已知
,若当
时
恒大于零,则
的取值范围为_____________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6f0ab0b403656ccdc2eca91451043a01.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08115d6d9f876dea921a4d32260ff1fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
您最近一年使用:0次