tính 627 - 108

\(\begin{array}{l}\underline { - \begin{array}{*{20}{c}}{627}\\{108}\end{array}} \\\,\,\,\,519\end{array}\)

\(\begin{array}{l}\underline { + \begin{array}{*{20}{c}}{182}\\{771}\end{array}} \\\,\,\,\,953\end{array}\)

\(\begin{array}{l}\underline { - \begin{array}{*{20}{c}}{609}\\{145}\end{array}} \\\,\,\,\,464\end{array}\)

\(\begin{array}{l}\underline { + \begin{array}{*{20}{c}}{456}\\{182}\end{array}} \\\,\,\,\,638\end{array}\)