Bài tập Toán lớp 2 Phép cộng, phép trừ trong phạm vi 1 000 (có đáp án)

tính 519 + 37

Giải thích

\(\begin{array}{l}\underline { + \begin{array}{*{20}{c}}{519}\\{\,\,\,37}\end{array}} \\\,\,\,\,556\end{array}\)

\(\begin{array}{l}\underline { - \begin{array}{*{20}{c}}{780}\\{152}\end{array}} \\\,\,\,\,628\end{array}\)

\(\begin{array}{l}\underline { + \begin{array}{*{20}{c}}{922}\\{\,\,59}\end{array}} \\\,\,\,\,981\end{array}\)

\(\begin{array}{l}\underline { - \begin{array}{*{20}{c}}{725}\\{\,\,\,62}\end{array}} \\\,\,\,\,663\end{array}\)