Найдите суммы одночленов: \( 10x^{\,7}y^{\,3}z^{\,2}+3x^{\,7}y^{\,3}z^{\,2}=\) \( x^{\,7}y^{\,3}z^{\,2},\) \( 11xy^{\,50}z^{\,3}+ (-8)xy^{\,50}z^{\,3}=\) \( xy^{\,50}z^{\,3},\) \( (-30)u^{\,2}st+ 15u^{\,2}st=\) \( u^{\,2}st,\) \( -r^{\,2}s+ (-9)r^{\,2}s=\) \( r^{\,2}s.\)

Задание

Найдите суммы одночленов:

\(\displaystyle 10x^{\,7}y^{\,3}z^{\,2}+3x^{\,7}y^{\,3}z^{\,2}=\)	[ ]\(\displaystyle x^{\,7}y^{\,3}z^{\,2},\)
\(\displaystyle 11xy^{\,50}z^{\,3}+ (-8)xy^{\,50}z^{\,3}=\)	[ ]\(\displaystyle xy^{\,50}z^{\,3},\)
\(\displaystyle (-30)u^{\,2}st+ 15u^{\,2}st=\)	[ ]\(\displaystyle u^{\,2}st,\)
\(\displaystyle -r^{\,2}s+ (-9)r^{\,2}s=\)	[ ]\(\displaystyle r^{\,2}s.\)