Đặt tính rồi tính: 612 × 20

\[\begin{array}{l} \times \begin{array}{*{20}{c}}{\,\,\,\,\,\,\,\,612}\\{\underline {\,\,\,\,\,\,\,\,\,\,\,\,20} }\end{array}\\\,\,\,\,\,12\,\,240\end{array}\]

\[\begin{array}{l} \times \begin{array}{*{20}{c}}{\,\,\,\,\,\,\,\,\,1\,\,035}\\{\underline {\,\,\,\,\,\,\,\,\,\,\,\,\,400} }\end{array}\\\,\,\,\,\,414\,\,000\end{array}\]

\[\begin{array}{l} \times \begin{array}{*{20}{c}}{\,\,\,\,\,2\,\,134}\\{\underline {\,\,\,\,\,\,\,\,\,\,\,\,\,50} }\end{array}\\\,\,\,106\,\,700\end{array}\]