Question

1. $\frac{4-3x}{x} -\frac{5-3y}{y}$
2. $\frac{3x+y}{x^{2} - y^{2} } + \frac{1}{x+y}$
3. $\frac{4y}{x} - \frac{5x}{y}$
4. $\frac{3x+y}{x^{2} - y^{2} } +\frac{y}{y^{2} - x^{2} }$

Answer 1

Ответ:.

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