名校
1 . 我国南宋数学家杨辉所著的《详解九章算法》中,用图①的三角形形象地表示了二项式系数规律,俗称“杨辉三角形”.现将杨辉三角形中的奇数换成
,偶数换成
,得到图②所示的由数
字
和
组成的三角形数表,由上往下数,记第
行各数字的和为
,如
,
,
,
,……,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9145ca59231bd2fbc073311c4803da56.png)
______
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bdaa19de263700a15fcf213d64a8cd57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c95b6be4554f03bf496092f1acdfbb89.png)
字
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c95b6be4554f03bf496092f1acdfbb89.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bdaa19de263700a15fcf213d64a8cd57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08eb71ecf8d733b6932f4680874dbbf3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f9c752ebe8516e7d3327f3410473d9a6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7110f600351b404b84e6d252d36b4ca5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aa148a6b8e55a08d7e1ce1a435b83fe7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fe2d2bf20356e34d2759fa887bfc2505.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9145ca59231bd2fbc073311c4803da56.png)
![](https://img.xkw.com/dksih/QBM/2018/6/26/1975476866719744/1978511581298688/STEM/c7a580c100db4281ac582e3ec0e4b997.png?resizew=450)
您最近一年使用:0次
2018-06-30更新
|
356次组卷
|
4卷引用:青海省西宁市2021-2022学年高三上学期期末联考数学(理)试题