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  5. 答えは2と3ですが、なぜ2が答えなのか分か...
Mathematics
Senior High
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渚

答えは2と3ですが、なぜ2が答えなのか分かりません。説明をお願いします。

命題の同値

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✨ Best Answer ✨

ヲカノ
ヲカノ

(x-y)²=0
(x-y)=0
x=y

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渚

ありがとうございます🙇

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