Đặt tính rồi tính.

\[\begin{array}{l} \times \,\,\begin{array}{*{20}{c}}{\,\,\,12,96}\\{\underline {\,\,\,\,\,\,\,\,3,4} }\end{array}\\\,\,\,\,\,\,\,5\,\,184\\\,\,\,\underline {38\,\,88\,\,\,} \\\,\,44,064\end{array}\]

\[\begin{array}{l} \times \,\,\begin{array}{*{20}{c}}{\,\,\,\,\,\,\,\,567}\\{\underline {\,\,\,\,\,\,\,\,\,8,9} }\end{array}\\\,\,\,\,\,\,\,\,510\,\,3\\\,\,\,\underline {4\,\,536\,\,\,\,\,} \\\,\,\,5\,\,046,3\end{array}\]

\[\begin{array}{l} \times \,\,\begin{array}{*{20}{c}}{\,\,84,5}\\{\underline {\,0,26} }\end{array}\\\,\,\,\,\,\,5\,\,07\\\,\,\,\underline {16\,\,9\,\,\,\,} \\\,\,21,97\end{array}\]