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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一〇九
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幾何原本 卷二
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耳。</
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丁戊乙丙己庚</
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<
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<
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丁形。</
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<
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<
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<
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之至己。</
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<
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</
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<
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<
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xml:space
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甲等矣。</
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<
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<
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<
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</
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<
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之。</
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<
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<
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<
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兩分於丙。</
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<
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庚丙上直角方形、幷。</
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<
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<
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<
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