tính 95 – 9 

\(\begin{array}{l}\underline { - \begin{array}{*{20}{c}}{95}\\{\,\,\,9}\end{array}} \\\,\,\,\,86\end{array}\)

\(\begin{array}{l}\underline { + \begin{array}{*{20}{c}}{25}\\{47}\end{array}} \\\,\,\,\,72\end{array}\)

\(\begin{array}{l}\underline { - \begin{array}{*{20}{c}}{70}\\{25}\end{array}} \\\,\,\,\,45\end{array}\)

\(\begin{array}{l}\underline { + \begin{array}{*{20}{c}}{27}\\{19}\end{array}} \\\,\,\,\,46\end{array}\)