题目
题型:不详难度:来源:
![](http://img.shitiku.com.cn/uploads/allimg/20191013/20191013061906-19052.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191013/20191013061906-24470.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191013/20191013061907-36854.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191013/20191013061907-14312.gif)
(1)求数列
![](http://img.shitiku.com.cn/uploads/allimg/20191013/20191013061906-19052.gif)
(2)设函数
![](http://img.shitiku.com.cn/uploads/allimg/20191013/20191013061907-57696.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191013/20191013061907-78966.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191013/20191013061907-60410.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191013/20191013061908-35884.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191013/20191013061907-78966.gif)
(3)求数列
![](http://img.shitiku.com.cn/uploads/allimg/20191013/20191013061908-83114.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191013/20191013061907-60410.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191013/20191013061908-57421.gif)
答案
![](http://img.shitiku.com.cn/uploads/allimg/20191013/20191013061908-71360.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191013/20191013061909-29155.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191013/20191013061909-91289.gif)
解析
![](http://img.shitiku.com.cn/uploads/allimg/20191013/20191013061909-38546.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191013/20191013061909-66733.gif)
∴
![](http://img.shitiku.com.cn/uploads/allimg/20191013/20191013061909-81473.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191013/20191013061909-66733.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191013/20191013061908-71360.gif)
(2)
![](http://img.shitiku.com.cn/uploads/allimg/20191013/20191013061910-26968.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191013/20191013061910-86061.gif)
当
![](http://img.shitiku.com.cn/uploads/allimg/20191013/20191013061910-18779.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191013/20191013061910-65176.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191013/20191013061910-31285.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191013/20191013061911-31844.gif)
∴
![](http://img.shitiku.com.cn/uploads/allimg/20191013/20191013061907-78966.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191013/20191013061909-29155.gif)
(3)数列
![](http://img.shitiku.com.cn/uploads/allimg/20191013/20191013061907-78966.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191013/20191013061911-74633.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191013/20191013061911-88076.gif)
当
![](http://img.shitiku.com.cn/uploads/allimg/20191013/20191013061911-11788.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191013/20191013061912-75567.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191013/20191013061912-47985.gif)
当
![](http://img.shitiku.com.cn/uploads/allimg/20191013/20191013061912-82369.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191013/20191013061912-90285.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191013/20191013061913-35427.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191013/20191013061913-32951.gif)
综上所述,
![](http://img.shitiku.com.cn/uploads/allimg/20191013/20191013061909-91289.gif)
核心考点
举一反三
![](http://img.shitiku.com.cn/uploads/allimg/20191013/20191013061855-60676.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191013/20191013061855-47045.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191013/20191013061855-30645.gif)
A.50 | B.100 | C.150 | D.200 |
![](http://img.shitiku.com.cn/uploads/allimg/20191013/20191013061835-84763.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191013/20191013061835-90143.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191013/20191013061835-90216.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191013/20191013061836-25497.gif)
(1)求
![](http://img.shitiku.com.cn/uploads/allimg/20191013/20191013061835-84763.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191013/20191013061836-27168.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191013/20191013061836-20278.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191013/20191013061836-47723.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191013/20191013061836-85876.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191013/20191013061837-57456.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191013/20191013061837-72278.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191013/20191013061837-89811.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191013/20191013061837-89811.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191013/20191013061815-71845.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191013/20191013061816-40342.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191013/20191013061816-93984.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191013/20191013061816-52494.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191013/20191013061816-50018.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191013/20191013061817-40778.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191013/20191013061817-83161.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191013/20191013061817-70464.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191013/20191013061816-50018.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191013/20191013061817-80412.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191013/20191013061817-63899.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191013/20191013061818-36876.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191013/20191013061756-37145.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191013/20191013061756-32727.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191013/20191013061756-46175.gif)
A.9 | B.8 | C.7 | D.6 |
![](http://img.shitiku.com.cn/uploads/allimg/20191013/20191013061749-94686.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191013/20191013061749-25132.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191013/20191013061750-98223.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191013/20191013061750-62773.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191013/20191013061750-82200.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191013/20191013061750-27433.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191013/20191013061751-88128.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191013/20191013061751-69781.gif)
A.2 | B.4 | C.6 | D.8 |
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