Mathematics
Junior High
Solved

穴埋めお願いします🙇‍♀️

(2n+1)²— (2n−1)²=|| A 2 = (A+B) =4nX - B = 2

Answers

✨ Best Answer ✨

このように自分で間に1行入れたら分かりやすくなります。

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