Mathematics
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(1)の解き方を教えてください。

(1)(2a+b)(4a?-2ab+b?)? (2)(x+3)(x-3)(x*+9x°+81) ((x+yXx-2ylx?-xy+ y°) 解答 (1) 64a6+16a°6°+68

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✨ Best Answer ✨

二乗を最後に展開するのがポイントです。

マカロン

ありがとうございます。

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