如图,将一个正三角形纸片剪成四个全等的小正三角形,再将其中的一个按同样的方法剪成四个更小的正三角形,……如此继续下去,剪的次数记为
,得到的正三角形的个数记为
,则
( )
![](https://img.xkw.com/dksih/QBM/2021/2/1/2648673979080704/2652778143465472/STEM/87bad1f8-e884-426f-ac30-6aba5c7077c8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/96abfe2da27a63e6affb19a0c80236d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/56c6ce06c1cd6542d0bb2bedaf66b8cf.png)
![](https://img.xkw.com/dksih/QBM/2021/2/1/2648673979080704/2652778143465472/STEM/87bad1f8-e884-426f-ac30-6aba5c7077c8.png)
A.6053 | B.6058 | C.6061 | D.6062 |
更新时间:2021-02-07 09:13:51
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