Задание

Найдите разности одночленов:

\(\displaystyle 11x^{\,4}y^{\,3}-7x^{\,4}y^{\,3}=\) [ ]\(\displaystyle x^{\,4}y^{\,3}{\small ,}\)
\(\displaystyle 3x^{\,4}y^{\,6}z^{\,5}-(-7)x^{\,4}y^{\,6}z^{\,5}=\) [ ]\(\displaystyle x^{\,4}y^{\,6}z^{\,5}{\small ,}\)
\(\displaystyle (-6)zw^{\,3}-7zw^{\,3}=\) [ ]\(\displaystyle zw^{\,3}{\small ,}\)
\(\displaystyle (-15)us^{\,3}t^{\,2}-(-11)us^{\,3}t^{\,2}=\) [ ]\(\displaystyle us^{\,3}t^{\,2}{\small .}\)