tính 289 + 160
Giải thích
\(\begin{array}{l}\underline { + \begin{array}{*{20}{c}}{289}\\{160}\end{array}} \\\,\,\,\,449\end{array}\) | \(\begin{array}{l}\underline { + \begin{array}{*{20}{c}}{723}\\{118}\end{array}} \\\,\,\,\,841\end{array}\) | \(\begin{array}{l}\underline { + \begin{array}{*{20}{c}}{380}\\{475}\end{array}} \\\,\,\,\,855\end{array}\) | \(\begin{array}{l}\underline { + \begin{array}{*{20}{c}}{407}\\{256}\end{array}} \\\,\,\,\,663\end{array}\) | \(\begin{array}{l}\underline { + \begin{array}{*{20}{c}}{708}\\{\,\,\,56}\end{array}} \\\,\,\,\,764\end{array}\) | \(\begin{array}{l}\underline { + \begin{array}{*{20}{c}}{752}\\{196}\end{array}} \\\,\,\,\,948\end{array}\) |