tính 457 + 23
1/30
Giải thích
\(\begin{array}{l}\underline { + \begin{array}{*{20}{c}}{457}\\{\,\,\,23}\end{array}} \\\,\,\,\,480\end{array}\) | \(\begin{array}{l}\underline { + \begin{array}{*{20}{c}}{517}\\{\,\,\,\,\,\,6}\end{array}} \\\,\,\,\,523\end{array}\) | \(\begin{array}{l}\underline { + \begin{array}{*{20}{c}}{346}\\{\,\,\,29}\end{array}} \\\,\,\,\,375\end{array}\) | \(\begin{array}{l}\underline { + \begin{array}{*{20}{c}}{629}\\{\,\,\,35}\end{array}} \\\,\,\,\,664\end{array}\) | \(\begin{array}{l}\underline { + \begin{array}{*{20}{c}}{550}\\{\,\,\,82}\end{array}} \\\,\,\,\,632\end{array}\) | \(\begin{array}{l}\underline { + \begin{array}{*{20}{c}}{264}\\{275}\end{array}} \\\,\,\,\,539\end{array}\) |