Mathematics
Senior High
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これはどうしてですか?

ks@然示 抽昌2 Nm に。 7 kk-り9。 ムdd ks 7

Answers

✨ Best Answer ✨

下は間違っでますよ(8+1)(8-1)=9*7=63で不等式は満たしません

ありがとうございます

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