Question

Помогите решить пример

Answer 1

$frac{3mn-6n}{2m^{3} } : frac{m^{2}n-4n}{4m^{4} } \ frac{3n(m-2)}{2m^{3} } *frac{4m^{4}}{m^{2}n-4n} \ 3n*(m-2)*frac{2m}{n(m^{2}-4 )}\ 3(m-2)*frac{2m}{(m-2)(m+2)} \ 3*frac{2m}{m+2} \ frac{6m}{m+2}$