题目
题型:不详难度:来源:
![](http://img.shitiku.com.cn/uploads/allimg/20191009/20191009094423-71864.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191009/20191009094423-12474.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191009/20191009094423-29655.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191009/20191009094424-33197.png)
答案
![](http://img.shitiku.com.cn/uploads/allimg/20191009/20191009094424-28058.png)
解析
试题分析:由
![](http://img.shitiku.com.cn/uploads/allimg/20191009/20191009094423-12474.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191009/20191009094423-29655.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191009/20191009094424-30541.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191009/20191009094424-74766.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191009/20191009094425-13938.png)
核心考点
举一反三
![](http://img.shitiku.com.cn/uploads/allimg/20191009/20191009094402-16175.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191009/20191009094403-29592.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191009/20191009094403-74473.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191009/20191009094403-34647.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191009/20191009094403-30871.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191009/20191009094404-84810.png)
(1)证明:
![](http://img.shitiku.com.cn/uploads/allimg/20191009/20191009094403-30871.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191009/20191009094403-30871.png)
(2)记数列
![](http://img.shitiku.com.cn/uploads/allimg/20191009/20191009094404-51974.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191009/20191009094404-33190.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191009/20191009094404-87837.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191009/20191009094404-69836.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191009/20191009094405-22046.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191009/20191009094405-89206.png)
A.15 | B.18 | C.19 | D.23 |
![](http://img.shitiku.com.cn/uploads/allimg/20191009/20191009094016-30483.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191009/20191009094016-56788.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191009/20191009094016-51818.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191009/20191009094017-75730.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191009/20191009094017-59896.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191009/20191009094017-74326.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191009/20191009094017-47257.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191009/20191009094018-55496.png)
A.64 | B.128 | C.-64 | D.-128 |
![](http://img.shitiku.com.cn/uploads/allimg/20191009/20191009093936-40238.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191009/20191009093937-95639.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191009/20191009093937-64243.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191009/20191009093937-71141.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191009/20191009093937-64243.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191009/20191009093937-84124.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191009/20191009093938-99750.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191009/20191009093938-81892.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191009/20191009093938-44259.png)
(1)求数列
![](http://img.shitiku.com.cn/uploads/allimg/20191009/20191009093936-40238.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191009/20191009093938-99750.png)
(2)设
![](http://img.shitiku.com.cn/uploads/allimg/20191009/20191009093938-42974.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191009/20191009093939-12836.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191009/20191009093937-95639.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191009/20191009093939-44892.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191009/20191009093939-29040.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191009/20191009093740-24643.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191009/20191009093741-91876.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191009/20191009093740-24643.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191009/20191009093741-62333.png)
A.24 | B.48 | C.66 | D.132 |
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