设正数数列
的前
项和为
,数列
的前
项积为
,且
.则数列
中最接近2011的数是( ).
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/686ece75006ad358f23314dc8a246e11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/034ba25825c13725931c483aa47c9363.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c59e7c7a84a4bdb959e95536d0404ceb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9c5175f3097ba91a11fc64feb1f272c1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/41cf1da18d91f7c98086553d157d1a87.png)
A.1980 | B.2010 | C.2040 | D.2070 |
2011高三·辽宁·竞赛 查看更多[1]
(已下线)2011年全国高中数学联赛辽宁赛区预赛试题
更新时间:2019-02-16 20:39:15
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单选题
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适中
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【推荐1】数列
满足
,
,记
.若
对任意的
恒成立,则正整数
的最小值为( ).
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
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A.10 | B.9 | C.8 | D.7 |
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【推荐2】如图,一圆内切于边长为2的正方形,另一正方形内接于这个圆,然后又一圆内切于第二个正方形.如此下去,如果
表示上述前
个圆的面积总和,则
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![](https://img.xkw.com/dksih/QBM/editorImg/2023/1/5/6f679b4e-a01a-4258-adba-3403be974dae.png?resizew=124)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08eb71ecf8d733b6932f4680874dbbf3.png)
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A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
单选题
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【推荐1】已知数列
,
,
,
,
,
,
,
,
,
,…,依它的前10项的规律,这个数列的第2005项
满足.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d5296c0056db0e2b5331c9b9a6d45962.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ed3b68a28b6edbaa111066b3f7867aae.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f89eef3148f2d4d09379767b4af69132.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d4f438a2955e3e87522bd3719a42f33d.png)
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A.![]() | B.![]() | C.![]() | D.![]() |
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【推荐2】已知
,设
,其中p、q为正整数,且(p,q)=1,则p+q=.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9846c94ca55088b9ea2c673d74ac2ef5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d4c0e940006ec8fbc8eb8cf3dc771b01.png)
A.3 | B.1023 | C.2000 | D.2001 |
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