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Mathematics
Senior High
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解き方教えてください🙇🏻‍♀️🙇🏻‍♀️

凍3 練習 次の式を展開せよ。 (1)(x+2)(x²-2x+4) (3)(x+y(9x2-3xy+y2 ) (2)(x-3)(x+3x+9) (4)(2a-3b)(4a²+6ab+962)
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