Предмет: Алгебра, автор: Ученица09

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8*х-40*у/х²-25у²    
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Автор ответа: Аноним
0
8*х-40*у/х²-25у²    =
= 8(х-5у)/(x-5y)(x+5y) =
= 8 / (x+5y)
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