tính 290 - 158
Giải thích
\(\begin{array}{l}\underline { - \begin{array}{*{20}{c}}{290}\\{158}\end{array}} \\\,\,\,\,132\end{array}\) | \(\begin{array}{l}\underline { - \begin{array}{*{20}{c}}{234}\\{172}\end{array}} \\\,\,\,\,\,\,\,62\end{array}\) | \(\begin{array}{l}\underline { - \begin{array}{*{20}{c}}{588}\\{192}\end{array}} \\\,\,\,\,396\end{array}\) | \(\begin{array}{l}\underline { - \begin{array}{*{20}{c}}{635}\\{380}\end{array}} \\\,\,\,\,255\end{array}\) | \(\begin{array}{l}\underline { - \begin{array}{*{20}{c}}{766}\\{518}\end{array}} \\\,\,\,\,248\end{array}\) | \(\begin{array}{l}\underline { - \begin{array}{*{20}{c}}{705}\\{152}\end{array}} \\\,\,\,\,553\end{array}\) |