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two; 2
金額欄に弐万円と書いた。
I wrote twenty thousand yen in the amount field.
弐は二の大字として正式な文書で使う。
弐 is used in official documents as the formal character for two.
領収書に弐拾万円と記載されていたので確認した。
The receipt stated two hundred thousand yen in formal characters, so I verified it.