Euclides 歐幾里得
,
Ji he yuan ben 幾何原本
,
1966
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21
(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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(六)
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(七)
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(八)
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幾何原本 卷二
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<
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幷。</
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丁上直角方形等。</
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與丁戊平行。</
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甲子線、與丙己平行。</
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方形。</
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直角形。</
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<
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甲壬直角形、及癸庚直角方形幷。</
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<
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