упростить (x/x-y + xy/x^2-2xy+y^2) : (1/x-y + x^2-y/xy-y^2)

Question

упростить

(x/x-y + xy/x^2-2xy+y^2) : (1/x-y + x^2-y/xy-y^2)

Answer 1

Решение во вложении...

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