Bài tập Toán lớp 2 Phép cộng (có nhớ) trong phạm vi 100 (có đáp án)

tính 35 + 7

Giải thích

\(\begin{array}{l}\underline { + \begin{array}{*{20}{c}}{35}\\{\,\,\,7}\end{array}} \\\,\,\,\,42\end{array}\)

\(\begin{array}{l}\underline { + \begin{array}{*{20}{c}}{55}\\{\,\,\,7}\end{array}} \\\,\,\,\,62\end{array}\)

\(\begin{array}{l}\underline { + \begin{array}{*{20}{c}}{74}\\{\,\,\,8}\end{array}} \\\,\,\,\,82\end{array}\)

\[\begin{array}{l}\underline { + \begin{array}{*{20}{c}}{17}\\{\,\,\,5}\end{array}} \\\,\,\,\,22\end{array}\]

\(\begin{array}{l}\underline { + \begin{array}{*{20}{c}}{79}\\{\,\,\,6}\end{array}} \\\,\,\,\,85\end{array}\)

\(\begin{array}{l}\underline { + \begin{array}{*{20}{c}}{16}\\{\,\,\,6}\end{array}} \\\,\,\,\,22\end{array}\)

\(\begin{array}{l}\underline { + \begin{array}{*{20}{c}}{38}\\{\,\,\,6}\end{array}} \\\,\,\,\,44\end{array}\)

\(\begin{array}{l}\underline { + \begin{array}{*{20}{c}}{27}\\{\,\,\,8}\end{array}} \\\,\,\,\,35\end{array}\)