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  5. ここの計算の方法を詳しく教えてください
Mathematics
Senior High
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あす
あす

ここの計算の方法を詳しく教えてください

2(2n-1) 2-1 -n=2n+1-n-2

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✨ Best Answer ✨

め
め

いったん全部展開して指数法則使えばいけます👍🏻

あす
あす

ありがとうございます！

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