Li Ya
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A mathematician from the Yuan Dynasty in China. Date of birth and death unknown. He was the first to explain the Tengenshu method in the "Sokuyuan Haijing" (1248). Source : Heibonsha Encyclopedia About MyPedia Information |
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中国，元代の数学者。生没年不詳。《測円海鏡》（1248年）で初めて天元術を説いた。
出典 株式会社平凡社百科事典マイペディアについて 情報 |
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