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《 算式略》[View] [Edit] [History]

1 法以三分之一展为 六分之二加六分之一得六分之三收为四分之二加四分之一得四分之 三为石砖木之高则瓦顶三丈六自必为四分之一以四倍三丈六得十四 丈四尺即塔高
2 今有长方营盘 南北一百八十丈东西一百二十丈四面濠沟与营盘同积求濠沟宽若 干   
3 联芳
4 答曰三十丈
URN: ctp:ws971116

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