元となった辞書の項目
天元術
noun
(mathematics) A Chinese system of algebra for polynomial equations created in 13th century
意味（1）
(mathematics) A Chinese system of algebra for polynomial equations created in 13th century
(mathematics) A Chinese system of algebra for polynomial equations created in 13th century
(mathematics) A Chinese system of algebra for polynomial equations created in 13th century
DiQt（ディクト）
無料
★★★★★★★★★★
