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

tính 50 - 45

Giải thích

\(\begin{array}{l}\underline { - \begin{array}{*{20}{c}}{50}\\{45}\end{array}} \\\,\,\,\,\,\,\,5\end{array}\)

\(\begin{array}{l}\underline { - \begin{array}{*{20}{c}}{32}\\{18}\end{array}} \\\,\,\,\,14\end{array}\)

\(\begin{array}{l}\underline { - \begin{array}{*{20}{c}}{47}\\{28}\end{array}} \\\,\,\,\,19\end{array}\)

\(\begin{array}{l}\underline { - \begin{array}{*{20}{c}}{60}\\{41}\end{array}} \\\,\,\,\,19\end{array}\)

\(\begin{array}{l}\underline { - \begin{array}{*{20}{c}}{40}\\{28}\end{array}} \\\,\,\,\,12\end{array}\)

\(\begin{array}{l}\underline { - \begin{array}{*{20}{c}}{72}\\{33}\end{array}} \\\,\,\,\,39\end{array}\)

\(\begin{array}{l}\underline { - \begin{array}{*{20}{c}}{63}\\{28}\end{array}} \\\,\,\,\,35\end{array}\)

\(\begin{array}{l}\underline { - \begin{array}{*{20}{c}}{55}\\{16}\end{array}} \\\,\,\,\,39\end{array}\)