写出该数列的一个通项公式
,
,
,
,
,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/daa5e9bd516f6282483b92cfe6074623.png)
__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3389f53711264b0acba3ba6019f8b908.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61128ab996360a038e6e64d82fcba004.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca48042bc6f931bc79b03b6faf033547.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cd3304e23f3b0f9569c4140ca89b6498.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6f2dadbb81280735c96ebd6f6fb5275b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/daa5e9bd516f6282483b92cfe6074623.png)
更新时间:2023-06-14 12:10:37
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【知识点】 观察法求数列通项
相似题推荐
填空题-单空题
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较易
(0.85)
【推荐1】已知数列
的前5项为
,
,
,
,
,则
的一个通项公式为![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e3f7fda69e2b32b9ced2239f915fa59b.png)
________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36d74ef32584586ec4857acd0a3f4fe9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fafafedd146753463a09ba16275c8999.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a36d3e88805edbdd66f5872de59a76b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f698a99bbb04e0af78810a74a70b3a6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cb29d5b58e5e3383d91188f41385444e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e3f7fda69e2b32b9ced2239f915fa59b.png)
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填空题-单空题
|
较易
(0.85)
解题方法
【推荐2】观察下列等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7e338589788f3da518e63fe4a3ae7d08.png)
照此规律,第n个等式为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7e338589788f3da518e63fe4a3ae7d08.png)
照此规律,第n个等式为
您最近一年使用:0次