tính 871 - 127
Giải thích
\(\begin{array}{l}\underline { - \begin{array}{*{20}{c}}{871}\\{127}\end{array}} \\\,\,\,\,744\end{array}\) | \(\begin{array}{l}\underline { - \begin{array}{*{20}{c}}{177}\\{119}\end{array}} \\\,\,\,\,\,\,\,58\end{array}\) | \(\begin{array}{l}\underline { - \begin{array}{*{20}{c}}{451}\\{129}\end{array}} \\\,\,\,\,322\end{array}\) | \(\begin{array}{l}\underline { - \begin{array}{*{20}{c}}{712}\\{505}\end{array}} \\\,\,\,\,207\end{array}\) | \(\begin{array}{l}\underline { - \begin{array}{*{20}{c}}{376}\\{128}\end{array}} \\\,\,\,\,248\end{array}\) | \(\begin{array}{l}\underline { - \begin{array}{*{20}{c}}{529}\\{\,\,\,66}\end{array}} \\\,\,\,\,463\end{array}\) |