Mathematics
Senior High
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矢印のところの計算が分かりません!
教えて下さい🙇‍♀️

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✨ Best Answer ✨

4でくくって残りを計算するn乗とn-1乗とあるからn-1乗にあわせると2分の5がひとつ余ります。

Emma♪

ありがとうございます🙏

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