Question

Алгебраическая дробь.
10 баллов

Answer 1

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Answer 2

= 6х - 3(х-у) / (х^2 - у^2) =
(3х + 3у) / (х-у)(х+у) = 3(х+у) / (х-у)(х+у) = 3/(х-у) = 3 : (1/3 + 1/2) = 3 : 5/6 = 3.6