若三个角
、
、
成等差数列,公差为
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bbcec425e0dbc39b16e8c47d0ef25461.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e81e59019989b7dc2fb59b037ef6e010.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac1a63ab608517bb10aa036783dfb51f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bbcec425e0dbc39b16e8c47d0ef25461.png)
2018高三·江西·竞赛 查看更多[1]
更新时间:2019-01-28 20:35:58
|
相似题推荐
填空题-单空题
|
容易
(0.94)
【推荐1】在△ABC中,角A、B、C的对边分别为
、b、c.若
,则
=_____ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4df55bd2a041a6f6efae513c5829e47e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e4725f5e47f80c000c16f7b31f3a3b2.png)
您最近一年使用:0次
填空题-单空题
|
容易
(0.94)
【推荐2】设H是△ABC的垂心,且
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94091d69879156a80e8816f06978923c.png)
_____________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/34e82aba554f42dd062cac247b9a7fd0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94091d69879156a80e8816f06978923c.png)
您最近一年使用:0次
填空题-单空题
|
容易
(0.94)
【推荐2】把1,2,…,
按照顺时针螺旋方式排成n行n列的表格
,第一行是1,2,…,n.例如:
.设2018在
的第i行第j列,则(i,j)=___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2ceef1abeeef220b4fe5f7d96feedd90.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f1ae9a3b0b7aeb1545b65d91aa371b3c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/330e0b571a2560d200094863f0bff46f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/00136ab4fd69ba9c28b47cd38442dc3a.png)
您最近一年使用:0次