Euclides 歐幾里得
,
Ji he yuan ben 幾何原本
,
1966
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(一)
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(二)
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(三)
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(四)
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(八)
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幾何原本 卷二
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丁、丁乙、矩線內直角形、及分內線丙丁上直角方形幷與丙乙線上直角方形等。</
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<
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庚。</
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丁、丁乙、矩線內。</
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