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

tính 115 - 22

Giải thích

\(\begin{array}{l}\underline { - \begin{array}{*{20}{c}}{115}\\{\,\,22}\end{array}} \\\,\,\,\,\,\,93\end{array}\)

\(\begin{array}{l}\underline { + \begin{array}{*{20}{c}}{110}\\{592}\end{array}} \\\,\,\,\,702\end{array}\)

\(\begin{array}{l}\underline { - \begin{array}{*{20}{c}}{485}\\{479}\end{array}} \\\,\,\,\,\,\,\,\,\,\,6\end{array}\)

\(\begin{array}{l}\underline { + \begin{array}{*{20}{c}}{358}\\{\,\,28}\end{array}} \\\,\,\,\,386\end{array}\)