如图,按此规律,第________ 行最后一个数是 2017,则此行的数之和____ .
![](https://img.xkw.com/dksih/QBM/2018/12/19/2100017862844416/2102131507355649/STEM/f8dca8c33fe54f6b8377125ae47edaed.png?resizew=119)
更新时间:2018-12-23 22:11:24
|
【知识点】 用代数式表示数、图形的规律解读
相似题推荐
填空题
|
适中
(0.65)
【推荐1】规定“g”表示一种运算,它对一些数的运算结果如下:
(1)
,
,
,
,……
(2)
,
,
,
,……
利用以上规律计算:①![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b58a819dab5c2f0434b8ab63d0f12d67.png)
______ ;
②根据(1)的规律求![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2560872bbf670bd8250cf56e79484.png)
______ (n为正整数).
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0398b85069cfe90af690033937a8e0fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5ab1e110e0d90ba749c0fbb90a0b53b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7945bd93569ac891d5bef9c2f9574821.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aff0bf8b159ec78106dfd9aba3f637f5.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/47e59b83c4b10ac7dad883ea5fa5ea7e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cdcefa2accb5f8cf48d5deba049d3c70.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fa69cbd1bd999f0769bcefa6998f0160.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/481f2ea72e836ce7b371b99f95d7a647.png)
利用以上规律计算:①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b58a819dab5c2f0434b8ab63d0f12d67.png)
②根据(1)的规律求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2560872bbf670bd8250cf56e79484.png)
您最近一年使用:0次
填空题
|
适中
(0.65)
【推荐2】木材加工厂将一批木料按如图所示的规律依次摆放,则第100个图中共有木料______ 根.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/4/27/40ba3693-88ec-4de9-976b-27a18a4ed50c.png?resizew=450)
您最近一年使用:0次