满分5 >
高中数学试题 >
在数列{an}中,a1=1,且对于任意正整数n,都有an+1=an+n,则a10...
在数列{an}中,a1=1,且对于任意正整数n,都有an+1=an+n,则a100= .
考点分析:
相关试题推荐
不等式组
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131103101716579362740/SYS201311031017165793627012_ST/0.png)
表示的平面区域的面积为
查看答案
若数列{a
n}的前n项和S
n=n
2-10n(n=1,2,3,…),则此数列的通项公式
.
查看答案
两个等差数列{a
n}和{b
n},其前n项和分别为S
n,T
n,且
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131103101716579362740/SYS201311031017165793627009_ST/0.png)
,则
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131103101716579362740/SYS201311031017165793627009_ST/1.png)
等于( )
A.
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131103101716579362740/SYS201311031017165793627009_ST/2.png)
B.
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131103101716579362740/SYS201311031017165793627009_ST/3.png)
C.
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131103101716579362740/SYS201311031017165793627009_ST/4.png)
D.
查看答案
某流程如图所示,现输入如下四个函数,则可以输出的函数是( )
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131103101716579362740/SYS201311031017165793627008_ST/images0.png)
A.f(x)=x
2B.f(x)=
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131103101716579362740/SYS201311031017165793627008_ST/0.png)
C.f(x)=sin
D.f(x)=lnx+2x-6
查看答案