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勾股定理出现于什么时候

更新时间: 2019-03-23 00:00:00     

勾股定理是几何学中最重要的一条定理.用途很广,即直角三角形中夹直角两边的平方和等于直角的对边的平方。据《九章算术》记载,勾股定理是距今3000多年前周朝的商高发现的.后来汉朝的赵爽对此做过注释。因此,在我国,勾股定理又称商高定理。

关键词: 勾股定理 出现 什么 时候

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