Вопрос 1

$\begin{array}{cc}& \begin{array}{ccc}37m^8& +& 42b^6\end{array}\\ \underline{+}& \underline{\begin{array}{ccc}21m^8& +& 40b^6\end{array}}\\ & \begin{array}{ccc}58m^8& +& 82b^6\end{array}\end{array}$