tính 54 - 29
\(\begin{array}{l}\underline { - \begin{array}{*{20}{c}}{54}\\{29}\end{array}} \\\,\,\,\,25\end{array}\) | \(\begin{array}{l}\underline { - \begin{array}{*{20}{c}}{86}\\{57}\end{array}} \\\,\,\,\,29\end{array}\) | \(\begin{array}{l}\underline { - \begin{array}{*{20}{c}}{46}\\{18}\end{array}} \\\,\,\,\,28\end{array}\) | \(\begin{array}{l}\underline { - \begin{array}{*{20}{c}}{81}\\{26}\end{array}} \\\,\,\,\,55\end{array}\) | \(\begin{array}{l}\underline { - \begin{array}{*{20}{c}}{72}\\{55}\end{array}} \\\,\,\,\,17\end{array}\) | \(\begin{array}{l}\underline { - \begin{array}{*{20}{c}}{94}\\{37}\end{array}} \\\,\,\,\,57\end{array}\) | \(\begin{array}{l}\underline { - \begin{array}{*{20}{c}}{50}\\{14}\end{array}} \\\,\,\,\,36\end{array}\) | \(\begin{array}{l}\underline { - \begin{array}{*{20}{c}}{96}\\{79}\end{array}} \\\,\,\,\,17\end{array}\) |
