Mathematics
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なぜ1.08aになるのか教えてください🙇‍♂️🙏

価e 円のお菓子 金をoを用いた式で義 多 買 し

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✨ Best Answer ✨

消費税=1+消費税/100
定価がa円だから1.08a

ゲスト

ありがとうございます😊

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