Đặt tính rồi tính: 35 693 + 620 235

 \[\begin{array}{l} + \begin{array}{*{20}{c}}{\,\,\,35\,\,693}\\{\underline {620\,\,235} }\end{array}\\\,\,\,\,655\,\,928\end{array}\]

\[\begin{array}{l} + \begin{array}{*{20}{c}}{\,\,\,\,943\,\,721}\\{\underline {\,\,\,\,\,\,76\,\,277} }\end{array}\\\,\,\,\,1\,\,019\,\,998\end{array}\]

\[\begin{array}{l} - \begin{array}{*{20}{c}}{47\,\,261}\\{\underline {26\,\,245} }\end{array}\\\,\,\,\,21\,\,016\end{array}\]

\[\begin{array}{l} - \begin{array}{*{20}{c}}{852\,\,165\,}\\{\underline {642\,\,047} }\end{array}\\\,\,\,\,210\,\,118\end{array}\]