题目
题型:不详难度:来源:
![](http://img.shitiku.com.cn/uploads/allimg/20191012/20191012030105-58560.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191012/20191012030105-81066.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191012/20191012030105-63751.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191012/20191012030106-72147.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191012/20191012030106-44737.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191012/20191012030106-94313.png)
A.![]() | B.![]() | C.![]() | D.![]() |
答案
解析
试题分析:
![](http://img.shitiku.com.cn/uploads/allimg/20191012/20191012030107-32864.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191012/20191012030108-58741.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191012/20191012030108-56802.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191012/20191012030108-34119.png)
核心考点
举一反三
![](http://img.shitiku.com.cn/uploads/allimg/20191012/20191012030044-21758.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191012/20191012030044-43342.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191012/20191012030044-89402.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191012/20191012030044-76271.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191012/20191012030044-40274.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191012/20191012030045-91802.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191012/20191012030045-14562.png)
(Ⅰ)求数列
![](http://img.shitiku.com.cn/uploads/allimg/20191012/20191012030044-21758.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191012/20191012030044-76271.png)
(Ⅱ)若数列
![](http://img.shitiku.com.cn/uploads/allimg/20191012/20191012030045-14425.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191012/20191012030045-90011.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191012/20191012030045-26029.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191012/20191012030045-43739.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191012/20191012030045-97196.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191012/20191012030046-97321.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191012/20191012030028-39005.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191012/20191012030028-10037.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191012/20191012030028-42459.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191012/20191012030028-50081.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191012/20191012030029-56305.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
![](http://img.shitiku.com.cn/uploads/allimg/20191012/20191012030016-58366.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191012/20191012030016-13781.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191012/20191012030016-90964.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191012/20191012030017-22618.png)
(I)求数列
![](http://img.shitiku.com.cn/uploads/allimg/20191012/20191012030017-23919.png)
(II)设等比数列
![](http://img.shitiku.com.cn/uploads/allimg/20191012/20191012030017-56677.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191012/20191012030017-37715.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191012/20191012030018-54971.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191012/20191012030016-13781.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191012/20191012030018-52098.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191012/20191012025942-34628.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191012/20191012025943-78745.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191012/20191012025943-28447.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191012/20191012025943-24601.png)
(I)证明数列
![](http://img.shitiku.com.cn/uploads/allimg/20191012/20191012025943-57189.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191012/20191012025942-34628.png)
(II)若
![](http://img.shitiku.com.cn/uploads/allimg/20191012/20191012025944-44828.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191012/20191012025944-10485.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191012/20191012025944-40242.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191012/20191012025944-40330.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191012/20191012025902-11544.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191012/20191012025902-81342.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191012/20191012025902-85521.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191012/20191012025902-64220.png)
(I)证明数列
![](http://img.shitiku.com.cn/uploads/allimg/20191012/20191012025902-86398.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191012/20191012025902-11544.png)
(II)若
![](http://img.shitiku.com.cn/uploads/allimg/20191012/20191012025903-16618.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191012/20191012025903-65954.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191012/20191012025903-46779.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191012/20191012025904-90796.png)
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