最終更新日：2024/06/26
(historical) sangaku (ema on which is written an original maths (和算) problem and solution)
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算額
noun
(historical) sangaku (ema on which is written an original maths (和算) problem and solution)
意味（1）
(historical) sangaku (ema on which is written an original maths (和算) problem and solution)
