天气预报 > 教育 > 祖冲之与圆周率的故事
祖冲之与圆周率的故事
更新时间: 2021-02-28 12:48:19  

1、祖祖冲之在前人成就的基础上,经过刻苦钻研,反复演算,求出π在3.1415926与3.1415927之间.并得出了π分数形式的近似值,取为约率 ,取为密率,其中取六位小数是3.141929,它是分子分母在1000以内最接近π值的分数。

2、所谓圆周率,就是圆周长与直径长之比。圆周率通用希腊字母π表示,因为希腊文中“周围”一词的开头字母是π。求算π的值是数学上一个耐人寻味的问题,许多数学家为求算π的值花费了多年的精力。

关键词: 圆周率 故事

祖冲之与圆周率的故事相关经验

天气预报

最新推荐

页面:/news/view-3412701/ | 耗时:0.4936 s | 内存:2.11 MB | 查询:4 | 缓存读取:3 写入:0 | 加载文件:25
select * from tbl_Articles WHERE ArticleID=3412701 LIMIT 0,1
select * from tbl_Articles_data WHERE ArticleID=3412701 LIMIT 0,1
select * from tbl_Articles_sphinx where id=3412701 LIMIT 0,1
SELECT ArticleID,Title FROM tbl_Articles WHERE ArticleID IN(522922,1104497,1090413,1089652,1110714,1088528,1068083,1040780,1136787,652228,1088914,634465,764689,520273,1141370,1122579,440822,619115,1134765,1103196,1120213,1102516,797340,619211,959532,790882,480218,1113111,814796,1120180) ORDER BY field (ArticleID,522922,1104497,1090413,1089652,1110714,1088528,1068083,1040780,1136787,652228,1088914,634465,764689,520273,1141370,1122579,440822,619115,1134765,1103196,1120213,1102516,797340,619211,959532,790882,480218,1113111,814796,1120180)