помогите, пожалуйста
[tex] \frac{x+4}{x^2-2x} - \frac{x}{x^2-4}
[/tex]
[tex]
\frac{3}{2y+1} + \frac{y+7}{1-4y^2}[/tex]
[tex] \frac{x+4}{x^2-2x} - \frac{x}{x^2-4}
[/tex]
[tex]
\frac{3}{2y+1} + \frac{y+7}{1-4y^2}[/tex]
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