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1 janv. 100 av. J.-C. - 记载了用竿标测日影以求日高的方法， 最早引用了【西周初年】勾股定理的特例商高定理

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人教版高中历史|Chinese students' PEP SENIOR HIGH HISTORY TEXTBOOKS

ByGUZI
il y a 8 mois
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Date:

1 janv. 100 av. J.-C.
Maintenaint
~ Il y a 2126 ans
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