Euclides 歐幾里得
,
Ji he yuan ben 幾何原本
,
1966
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11
(一)
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(一)
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(二)
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(三)
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(四)
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(五)
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(一)
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(二)
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幾何原本 卷一
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卅三</
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<
s
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<
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<
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xml:space
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">與庚丙戊乙、兩平行方形、
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同庚乙底者、亦等矣。</
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<
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<
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<
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<
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兩平行方形。</
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乙丙丁角形。</
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