Найдите сумму многочленов:
\( \left(13v^{\,2}w^{\,3}u+14vu^{\,3}-7v^{\,2}u-19vwu\,\right)+\left(-21v^{\,2}w^{\,3}u+7vu^{\,3}-14v^{\,2}u+10vwu\,\right)=\)
\( =\)?\( v^{\,2}w^{\,3}u\)?\( vu^{\,3}\)?\( v^{\,2}u\)?\( vwu\)