tính 317 - 226
Giải thích
\(\begin{array}{l}\underline { - \begin{array}{*{20}{c}}{317}\\{226}\end{array}} \\\,\,\,\,\,\,\,91\end{array}\) | \(\begin{array}{l}\underline { - \begin{array}{*{20}{c}}{763}\\{272}\end{array}} \\\,\,\,\,491\end{array}\) | \(\begin{array}{l}\underline { - \begin{array}{*{20}{c}}{124}\\{\,\,\,60}\end{array}} \\\,\,\,\,\,\,\,64\end{array}\) | \(\begin{array}{l}\underline { - \begin{array}{*{20}{c}}{845}\\{350}\end{array}} \\\,\,\,\,495\end{array}\) | \(\begin{array}{l}\underline { - \begin{array}{*{20}{c}}{728}\\{\,\,\,91}\end{array}} \\\,\,\,\,637\end{array}\) | \(\begin{array}{l}\underline { - \begin{array}{*{20}{c}}{531}\\{\,\,\,80}\end{array}} \\\,\,\,\,451\end{array}\) |