题目
题型:不详难度:来源:
![](http://img.shitiku.com.cn/uploads/allimg/20191008/20191008003710-84916.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191008/20191008003710-42062.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191008/20191008003710-21620.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191008/20191008003710-76938.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191008/20191008003711-92352.png)
A.第6项 | B.第7项 | C.第8项 | D.第9项 |
答案
解析
![](http://img.shitiku.com.cn/uploads/allimg/20191008/20191008003711-18089.png)
所以
![](http://img.shitiku.com.cn/uploads/allimg/20191008/20191008003711-41401.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191008/20191008003711-46917.png)
所以
![](http://img.shitiku.com.cn/uploads/allimg/20191008/20191008003712-30755.png)
核心考点
试题【设数列,,,,…,则是这个数列的 ( ) A.第6项B.第7项C.第8项D.第9项】;主要考察你对数列的概念与表示方法等知识点的理解。[详细]
举一反三
![](http://img.shitiku.com.cn/uploads/allimg/20191008/20191008003653-83453.gif)
甲:设数列
![](http://img.shitiku.com.cn/uploads/allimg/20191008/20191008003653-54404.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191008/20191008003654-84978.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191008/20191008003654-65202.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191008/20191008003654-53937.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191008/20191008003654-93303.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191008/20191008003655-40034.gif)
(Ⅰ)求数列
![](http://img.shitiku.com.cn/uploads/allimg/20191008/20191008003653-54404.gif)
(Ⅱ)若
![](http://img.shitiku.com.cn/uploads/allimg/20191008/20191008003655-85057.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191008/20191008003655-62196.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191008/20191008003655-63487.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191008/20191008003654-84978.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191008/20191008003656-91469.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191008/20191008003655-62196.gif)
乙:定义在[-1,1]上的奇函数
![](http://img.shitiku.com.cn/uploads/allimg/20191008/20191008003656-30760.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191008/20191008003656-96861.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191008/20191008003656-84170.gif)
(Ⅰ)求
![](http://img.shitiku.com.cn/uploads/allimg/20191008/20191008003656-30760.gif)
(Ⅱ)若
![](http://img.shitiku.com.cn/uploads/allimg/20191008/20191008003656-30760.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191008/20191008003657-24424.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191008/20191008003628-11344.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191008/20191008003629-85420.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191008/20191008003629-40753.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191008/20191008003629-40753.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191008/20191008003629-18367.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191008/20191008003629-89323.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191008/20191008003629-32593.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191008/20191008003600-19530.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191008/20191008003600-68274.png)
A.2010×2011 | B.2010×2012 | C.2011×2012 | D.20122 |
![](http://img.shitiku.com.cn/uploads/allimg/20191008/20191008003209-99155.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191008/20191008003209-32079.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191008/20191008003210-71337.png)
A.16 | B.14 | C.9 | D.7 |
![](http://img.shitiku.com.cn/uploads/allimg/20191008/20191008003202-15907.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191008/20191008003203-29952.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191008/20191008003202-15907.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191008/20191008003203-46374.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191008/20191008003203-17729.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191008/20191008003203-27751.png)
A.![]() | B.![]() | C.![]() | D.![]() |
最新试题
- 1某化工厂生产的某产品只含C、H、O三种元素,其分子模型如图所示(图中球与球之间的连线代表化学键,如单键、双键等).(1)
- 2阅读理解。 It was Mary"s birthday. She received a letter from
- 3某中学七年级同学到野外开展数学综合实践活动,在营地看到一池塘,同学们想知道池塘两端的距离.有一位同学设计了如下测量方案,
- 4阅读下文,完成下面题目。(13分)森林是大自然的“调度师”蒋高明20l1年为国际森林年,其主题是‘森林为民’’。联合国之
- 5________the cost, that will be very little.A.As forB.WithC.B
- 6(几何证明选讲选做题)已知PA是⊙O的切线,切点为A,直线PO交⊙O于B、C两点,AC=2,∠PAB=120°,则⊙O的
- 7拿破仑戎马一生,下列重大战役,其先后顺序是①指挥奥斯特里茨战役 ②莱比锡会战③滑铁卢战役
- 8常温下,向l00mL 0.01 mol•L-1盐酸中逐滴加入0.02 mol•L-1 MOH溶液,如下图所示,曲线表示混
- 9阅读下面的文字,完成1-4题。 胡杨仰止
- 10【题文】已知集合是不等式的解集的子集,则实数的取值范围是
热门考点
- 1可燃物燃烧除需要氧气外,还需要满足的条件是 ,煤块经粉碎处理后燃烧的更快,这是因为 .
- 2(1)计算:tan60°-23-1+(12)-1+(x2+1)0.(2)化简求值:(a+2)(a-2)+a(4-a),其
- 3 已知一次函数的图象如图所示,当时,的取值范围是( )A.x>-2B.x>1C.x<-2D.x&l
- 4魏晋以后,中国画梅开两朵:一是注重写实;一是主写意、非功利。以下画作中,风格明显不同于其他三幅的是[ ]A、B、
- 5The boy was last seen near the West Lake. [
- 6山西省煤炭资源的开发条件十分优越,下列说法正确的是( )A.煤炭资源丰富,埋藏深B.我国的能源消费构成以石油、天然气为主
- 7已知集合M={0,1,2},N={x|x=2a,a∈M},则集合M∩N= [ ]A.{0} B.{0,1} C.
- 8已知函数f(x)=x-2(x≥2)-2(x<2),则f(lg20-lg2)=( )A.-2B.2C.0D.-1
- 9小明乘火车从呼和浩特前往乌鲁木齐旅游,在旅途中见到的自然景观依次是( )A.草原、森林、荒漠草原B.森林、草原、荒漠草
- 10It was raining hard, but by the time the class was over, the