Mathematics
Senior High
-1±√17(-4-√7)の計算はどうなりますか?
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Mathematics
Senior High
練習7_(4) 答えを分かりやすくお願いします(*_ _)
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Mathematics
Senior High
(2)(3)がわかりません おしえてください! (1)は a=20 d=-7/4です
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English
Senior High
(47)(48)(50)のどこが間違っているのか教えてください
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Mathematics
Senior High
377番を教えてください! 答えはa<27/4です
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