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Mathematics
Junior High
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みお。
みお。

丸のところを教えて下さい

夏課題

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✨ Best Answer ✨

ひなた
ひなた

(x-y)をAとかに置いて計算してみては？

→A^2-6A+9

→(A-3)^2

→(x-y-3)^2

みお。
みお。

ありがとうございます✨

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