题目
题型:不详难度:来源:
![](http://img.shitiku.com.cn/uploads/allimg/20191010/20191010082016-42948.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191010/20191010082016-42431.png)
A.15 | B.30 | C. 31 | D. 64 |
答案
解析
![](http://img.shitiku.com.cn/uploads/allimg/20191010/20191010082016-42948.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191010/20191010082016-51742.png)
核心考点
举一反三
![](http://img.shitiku.com.cn/uploads/allimg/20191010/20191010081957-85347.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191010/20191010081958-37576.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191010/20191010081958-30864.png)
(1)求数列
![](http://img.shitiku.com.cn/uploads/allimg/20191010/20191010081957-85347.png)
(2)(2)令
![](http://img.shitiku.com.cn/uploads/allimg/20191010/20191010081958-16508.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191010/20191010081958-63301.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191010/20191010081958-36459.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191010/20191010082009-28876.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191010/20191010081904-55110.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191010/20191010081904-88829.png)
(1)求数列
![](http://img.shitiku.com.cn/uploads/allimg/20191010/20191010081904-57851.png)
( 2 )求数列
![](http://img.shitiku.com.cn/uploads/allimg/20191010/20191010081904-57851.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191010/20191010081904-50098.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191010/20191010081836-13047.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191010/20191010081841-49921.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191010/20191010081841-57896.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191010/20191010081842-99066.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191010/20191010081842-82625.png)
A.13 | B.35 | C.49 | D.63 |
![](http://img.shitiku.com.cn/uploads/allimg/20191010/20191010081824-37649.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191010/20191010081824-90909.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191010/20191010081824-12167.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191010/20191010081825-56351.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191010/20191010081824-12167.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191010/20191010081825-75873.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191010/20191010081825-35747.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191010/20191010081826-61453.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191010/20191010081826-91177.png)
⑴求
![](http://img.shitiku.com.cn/uploads/allimg/20191010/20191010081826-61436.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191010/20191010081826-46670.png)
⑵求数列
![](http://img.shitiku.com.cn/uploads/allimg/20191010/20191010081826-97589.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191010/20191010081825-56351.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191010/20191010081827-32028.png)
⑶ 设
![](http://img.shitiku.com.cn/uploads/allimg/20191010/20191010081827-99514.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191010/20191010081827-14845.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191010/20191010081827-89394.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191010/20191010081512-40628.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191010/20191010081513-70614.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191010/20191010081513-94870.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191010/20191010081513-84117.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191010/20191010081513-78331.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
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