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Scope: Hai Dao Suan Jing Request type: Paragraph |
Condition 1: Contains text "從前表卻行一百二十三步人目著地取望島峯與表末參合" 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 |
1 | 海島算經: | 今有望海島,立兩表,齊高三丈,前後相去千步,令後表與前表參相直。從前表卻行一百二十三步,人目著地取望島峯,與表末參合。從後表卻行一百二十七步,人目著地取望島峯,亦與表末參合。問島高及去表各幾何? |
答曰:島高四里五十五步;去表一百二里一百五十步。 | ||
術曰:以表高乘表間為實;相多為法,除之。所得加表高,即得島高。求前表去島遠近者:以前表卻行乘表間為實;相多為法。除之,得島去表數。 |
Total 1 paragraphs. Page 1 of 1. |
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