Задание

Найдите числовые коэффициенты:

\(\displaystyle (5l+4m\,)^3=\)[ ]\(\displaystyle l^{\,3}+\)[ ]\(\displaystyle l^{\,2}m\,+\)[ ]\(\displaystyle lm^{\,2}+\)[ ]\(\displaystyle m^{\,3}\)