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Scope: Hai Dao Suan Jing Request type: Paragraph |
Condition 1: Contains text "又望松本入表二尺八寸" Matched:1. |
Total 1 paragraphs. Page 1 of 1. |
《海島算經 - Hai Dao Suan Jing》 | [Three Kingdoms] 263 | Books referencing 《海島算經》 Related resources |
2 | 海島算經: | 今有望松生山上,不知高下。立兩表齊,高二丈,前後相去五十步,令後表與前表參相直。從前表卻行七步四尺,薄地遙望松末,與表端參合。又望松本,入表二尺八寸。复從後表卻行八步五尺,薄地遙望松末,亦與表端參合。問松高及山去表各幾何? |
答曰:松高一十二丈二尺八寸;山去表一里二十八步、七分步之四。 | ||
術曰:以入表乘表間為實。相多為法,除之。加入表,即得松高。求表去山遠近者:置表間,以前表卻行乘之為實。相多為法,除之,得山去表。 |
Total 1 paragraphs. Page 1 of 1. |
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