tính 627 + 9

\(\begin{array}{l}\underline { + \begin{array}{*{20}{c}}{627}\\{\,\,\,\,\,\,9}\end{array}} \\\,\,\,\,636\end{array}\)

\(\begin{array}{l}\underline { + \begin{array}{*{20}{c}}{918}\\{\,\,\,75}\end{array}} \\\,\,\,\,993\end{array}\)

\(\begin{array}{l}\underline { + \begin{array}{*{20}{c}}{374}\\{145}\end{array}} \\\,\,\,\,519\end{array}\)

\(\begin{array}{l}\underline { + \begin{array}{*{20}{c}}{652}\\{\,\,\,92}\end{array}} \\\,\,\,\,744\end{array}\)

\(\begin{array}{l}\underline { + \begin{array}{*{20}{c}}{728}\\{228}\end{array}} \\\,\,\,\,956\end{array}\)

\(\begin{array}{l}\underline { + \begin{array}{*{20}{c}}{252}\\{651}\end{array}} \\\,\,\,\,903\end{array}\)