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  5. (a +2b＋1)(a＋2b-1) の答え...
Mathematics
Junior High
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なな
なな

(a +2b＋1)(a＋2b-1)
の答えはなんですか？

Answers

✨ Best Answer ✨

なゆた
なゆた

(a +2b＋1)(a＋2b-1)
=(a +2b)²−1
=a²+4ab+b²−1

なな
なな

ありがとうございます🙏

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