Mathematics
Junior High
(a +2b+1)(a+2b-1) の答えはなんですか?
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1
Mathematics
Junior High
解き方教えてください🙏
(15) (4a+1)(4a+3)
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1
Mathematics
Junior High
やり方教えてください🙇♀️
(1) (3x-4) (3x-2) れ (2) (-4a+3)(-2-6)
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2