1 . 某计算器有两个数据输入口
,一个数据输出口
,当
分别输入正整数1时,输出口
输出2,当
输入正整数
,
输入正整数
时,
的输出是
;当
输入正整数
,
输入正整数
时,
的输出是
;当
输入正整数
,
输入正整数
时,
的输出是
;当
输入60,
输入50时,
的输出是
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/78410f5baf015b5f013fab68405582fd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/78410f5baf015b5f013fab68405582fd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4b104090ea2ac34be58a76a4e0e95cb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/77ab1256702aef4e9f1a5eb6c12ecc96.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7df1d9b712b639c8b6809c9f3ae03706.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1fbd67f60f04c278bdd867fdb3979dfb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4b104090ea2ac34be58a76a4e0e95cb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/77ab1256702aef4e9f1a5eb6c12ecc96.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7df1d9b712b639c8b6809c9f3ae03706.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83d7da36cacd3c8a4ac38fd5b103b3f5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d0ccef5f94c505e73c7590328be69e3e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4b104090ea2ac34be58a76a4e0e95cb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8642b0a44dfea3a47f38477ad9fc72e5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7df1d9b712b639c8b6809c9f3ae03706.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1fbd67f60f04c278bdd867fdb3979dfb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5f9eb00e82665d0eccfd86c4cb4b7df8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4b104090ea2ac34be58a76a4e0e95cb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7df1d9b712b639c8b6809c9f3ae03706.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
A.494 | B.492 | C.485 | D.483 |
您最近一年使用:0次
2 . 椭圆
,
为椭圆的左、右焦点,
为坐标原点,点
为椭圆上一点,
,且
成等比数列,则椭圆的离心率为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/00df4f17848c072b51e80d427d486e31.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/882651b776851f3f0665de12da6ed47d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a1fbe9c1be62cb2d5d775e32b815ca3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6c275197cbbde1e881c2ca75d02cc09.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2017-03-02更新
|
2612次组卷
|
3卷引用:2018年高考2017年11月份衡水联考文数试题
名校
3 . 已知函数
,设方程
的根从小到大依次为
,则数列
的前n项和为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6fd315aadd9dea369f3dc03dd277f489.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23d1434c675db847cb68eda036f9d7c1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c0961a558eecf20535808e15333cdfc8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3998deeec91b7dc0f51977d3254b1954.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2016-12-03更新
|
1247次组卷
|
2卷引用:2015届河北省石家庄市高三下学期二模考试文科数学试卷