tính 66 - 7
\(\begin{array}{l}\underline { - \begin{array}{*{20}{c}}{66}\\{\,\,7}\end{array}} \\\,\,\,\,59\end{array}\) | \(\begin{array}{l}\underline { - \begin{array}{*{20}{c}}{54}\\{\,\,8}\end{array}} \\\,\,\,\,46\end{array}\) | \(\begin{array}{l}\underline { - \begin{array}{*{20}{c}}{71}\\{\,\,9}\end{array}} \\\,\,\,\,62\end{array}\) | \(\begin{array}{l}\underline { - \begin{array}{*{20}{c}}{22}\\{\,\,6}\end{array}} \\\,\,\,\,16\end{array}\) | \(\begin{array}{l}\underline { - \begin{array}{*{20}{c}}{92}\\{\,\,\,5}\end{array}} \\\,\,\,\,87\end{array}\) | \(\begin{array}{l}\underline { - \begin{array}{*{20}{c}}{43}\\{\,\,7}\end{array}} \\\,\,\,\,36\end{array}\) | \(\begin{array}{l}\underline { - \begin{array}{*{20}{c}}{43}\\{\,\,\,8}\end{array}} \\\,\,\,\,35\end{array}\) | \(\begin{array}{l}\underline { - \begin{array}{*{20}{c}}{44}\\{\,\,7}\end{array}} \\\,\,\,\,37\end{array}\) |
