tính 849 - 575

\(\begin{array}{l}\underline { - \begin{array}{*{20}{c}}{849}\\{575}\end{array}} \\\,\,\,\,274\end{array}\)

\(\begin{array}{l}\underline { + \begin{array}{*{20}{c}}{182}\\{164}\end{array}} \\\,\,\,\,346\end{array}\)

\(\begin{array}{l}\underline { - \begin{array}{*{20}{c}}{337}\\{185}\end{array}} \\\,\,\,\,152\end{array}\)

\(\begin{array}{l}\underline { + \begin{array}{*{20}{c}}{781}\\{\,\,\,\,\,9}\end{array}} \\\,\,\,\,790\end{array}\)