tính 115 - 22
Giải thích
\(\begin{array}{l}\underline { - \begin{array}{*{20}{c}}{115}\\{\,\,22}\end{array}} \\\,\,\,\,\,\,93\end{array}\) | \(\begin{array}{l}\underline { + \begin{array}{*{20}{c}}{110}\\{592}\end{array}} \\\,\,\,\,702\end{array}\) | \(\begin{array}{l}\underline { - \begin{array}{*{20}{c}}{485}\\{479}\end{array}} \\\,\,\,\,\,\,\,\,\,\,6\end{array}\) | \(\begin{array}{l}\underline { + \begin{array}{*{20}{c}}{358}\\{\,\,28}\end{array}} \\\,\,\,\,386\end{array}\) |