Mathematics
Senior High
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(1)から(4)までの解答を教えてほしいです
お願いします

問1 次の式を展開せよ。 (1)(x+1)3 (2) (x-2)³ (3) (3a+b)3 (4)(2x-3y)3

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✨ Best Answer ✨

こうだと思います!
(a+b)³=a³+3a²b+3ab²+b³
(a-b)³=a³-3a²b+3ab²-b³
の公式にいれます!

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