题目
题型:不详难度:来源:
![](http://img.shitiku.com.cn/uploads/allimg/20191010/20191010072612-19931.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191010/20191010072613-89973.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191010/20191010072613-81214.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191010/20191010072613-14909.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191010/20191010072619-45186.png)
A.![]() | B.![]() ![]() | C.![]() ![]() | D.![]() |
答案
解析
![](http://img.shitiku.com.cn/uploads/allimg/20191010/20191010072621-67490.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191010/20191010072621-62636.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191010/20191010072621-69481.png)
核心考点
举一反三
![](http://img.shitiku.com.cn/uploads/allimg/20191010/20191010072543-62597.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191010/20191010072543-41260.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191010/20191010072543-10121.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191010/20191010072544-80121.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191010/20191010072544-47080.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191010/20191010072544-73635.png)
(Ⅰ)求数列
![](http://img.shitiku.com.cn/uploads/allimg/20191010/20191010072543-62597.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191010/20191010072544-19574.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191010/20191010072544-80121.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191010/20191010072544-70163.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191010/20191010072544-70163.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191010/20191010072520-73711.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191010/20191010072520-66127.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191010/20191010072521-42892.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191010/20191010072521-87055.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191010/20191010072521-12415.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191010/20191010072521-87055.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191010/20191010072521-75810.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191010/20191010072521-22348.png)
A.1 | B.2 | C.![]() | D.![]() |
![](http://img.shitiku.com.cn/uploads/allimg/20191010/20191010072510-18501.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191010/20191010072511-72939.png)
A.![]() | B.![]() | C.![]() | D.![]() |
![](http://img.shitiku.com.cn/uploads/allimg/20191010/20191010072344-73376.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191010/20191010072345-21519.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191010/20191010072356-53738.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191010/20191010072356-81024.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191010/20191010072356-90962.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191010/20191010072356-79127.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191010/20191010072345-21519.png)
A.12 | B.14 | C.16 | D.18 |
![](http://img.shitiku.com.cn/uploads/allimg/20191010/20191010072123-40181.png)
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