tính 22 - 4
\(\begin{array}{l}\underline { - \begin{array}{*{20}{c}}{22}\\{\,\,4}\end{array}} \\\,\,\,\,18\end{array}\) | \(\begin{array}{l}\underline { - \begin{array}{*{20}{c}}{52}\\{\,\,9}\end{array}} \\\,\,\,43\end{array}\) | \(\begin{array}{l}\underline { - \begin{array}{*{20}{c}}{21}\\{\,\,7}\end{array}} \\\,\,\,14\end{array}\) | \(\begin{array}{l}\underline { - \begin{array}{*{20}{c}}{34}\\{\,\,5}\end{array}} \\\,\,\,29\end{array}\) | \(\begin{array}{l}\underline { - \begin{array}{*{20}{c}}{21}\\{\,\,3}\end{array}} \\\,\,\,\,18\end{array}\) | \(\begin{array}{l}\underline { - \begin{array}{*{20}{c}}{60}\\{\,\,4}\end{array}} \\\,\,\,\,56\end{array}\) | \(\begin{array}{l}\underline { - \begin{array}{*{20}{c}}{54}\\{\,\,9}\end{array}} \\\,\,\,45\end{array}\) | \(\begin{array}{l}\underline { - \begin{array}{*{20}{c}}{36}\\{\,\,9}\end{array}} \\\,\,\,27\end{array}\) |
