Задача №7634

$\frac{x}{x+y}$$\frac{x}{x+y}$$$\frac{x}{x+y}$$ и $\frac{y}{x-y}$$\frac{y}{x-y}$$$\frac{y}{x-y}$$ и $\frac{5}{xy}$$\frac{5}{xy}$$$\frac{5}{xy}$$