将正整数有规律地排列如下:
![](https://img.xkw.com/dksih/QBM/2020/7/29/2516212876468224/2517301337030656/STEM/c8e4dbe0-ff10-4241-9fbf-ffc71384ac1f.png)
则在此表中第
行第
列出现的数字是___________ .
![](https://img.xkw.com/dksih/QBM/2020/7/29/2516212876468224/2517301337030656/STEM/c8e4dbe0-ff10-4241-9fbf-ffc71384ac1f.png)
则在此表中第
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5021dda43ea360fb7b1102c1a462693a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/91488a5bb578d001827a4fd7a66b0592.png)
更新时间:2020-07-30 23:25:35
|
相似题推荐
填空题-单空题
|
适中
(0.65)
真题
【推荐1】观察下列等式:
;
;
;
;
……
照此规律,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf50659b0fa9fdf23fdf2b5ab303f1cb.png)
________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c595803bedd347440291ba5a0c9c7912.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/559fb7a17a6538a1b07e0d52e1d08120.png)
![](https://img.xkw.com/dksih/QBM/2016/7/11/1572907893309440/1572907898871808/STEM/78bffa9628ae4dacbca055f7a60d0fa9.png?resizew=384)
![](https://img.xkw.com/dksih/QBM/2016/7/11/1572907893309440/1572907898871808/STEM/13f8e0a197dc470ab65f9a5024791ad2.png?resizew=384)
……
照此规律,
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf50659b0fa9fdf23fdf2b5ab303f1cb.png)
您最近一年使用:0次
填空题-单空题
|
适中
(0.65)
【推荐2】已知正项数列
满足
,前
项和
满足
,则数列
的通项公式为![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e3f7fda69e2b32b9ced2239f915fa59b.png)
______________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63d471926f7b27322d90c82b9ce21d3d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b065334d8f60c49f4bd3d9f1373fe4cd.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/097d6ca54b44791e4e730dc8543ff063.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63d471926f7b27322d90c82b9ce21d3d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e3f7fda69e2b32b9ced2239f915fa59b.png)
您最近一年使用:0次