题目
题型:不详难度:来源:
![](http://img.shitiku.com.cn/uploads/allimg/20191014/20191014101036-71411.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191014/20191014101036-54771.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191014/20191014101037-36100.png)
A.5 | B.6 | C. 7 | D.8 |
答案
解析
![](http://img.shitiku.com.cn/uploads/allimg/20191014/20191014101037-36100.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191014/20191014101037-52455.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191014/20191014101037-62755.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191014/20191014101037-15686.png)
核心考点
举一反三
![](http://img.shitiku.com.cn/uploads/allimg/20191014/20191014101029-74806.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191014/20191014101029-19024.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191014/20191014101030-81947.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191014/20191014101030-61298.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191014/20191014101030-37398.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191014/20191014101030-65794.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191014/20191014101031-57947.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191014/20191014101031-99421.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191014/20191014101031-86862.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191014/20191014101031-44225.gif)
值是
![](http://img.shitiku.com.cn/uploads/allimg/20191014/20191014101030-61298.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191014/20191014101031-41231.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191014/20191014101030-81947.gif)
其中正确的结论是 .
![](http://img.shitiku.com.cn/uploads/allimg/20191014/20191014101023-25903.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191014/20191014101023-49657.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191014/20191014101024-31733.png)
A.![]() | B.![]() | C.![]() | D.![]() |
(1)求数列{an}的通项公式;
(2)设bn=log3a1+log3a2+…+log3an,求数列
![](http://img.shitiku.com.cn/uploads/allimg/20191014/20191014101013-37490.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191014/20191014101006-26709.gif)
(1)求数列
![](http://img.shitiku.com.cn/uploads/allimg/20191014/20191014101006-47643.gif)
(2)设
![](http://img.shitiku.com.cn/uploads/allimg/20191014/20191014101007-72425.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191014/20191014101007-88637.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191014/20191014101007-74266.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191014/20191014100957-71059.png)
A.9 | B.10 | C.11 | D.12 |
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