Bài 5: Phép trừ (có nhớ) trong phạm vi 100

\(\begin{array}{*{20}{c}}{ - \begin{array}{*{20}{c}}{71}\\{48}\end{array}}\\\hline{\,\,\,23}\end{array}\)                                      \(\begin{array}{*{20}{c}}{ - \begin{array}{*{20}{c}}{52}\\{36}\end{array}}\\\hline{\,\,\,\,16}\end{array}\)

\(\begin{array}{*{20}{c}}{ - \begin{array}{*{20}{c}}{43}\\{17}\end{array}}\\\hline{\,\,\,26}\end{array}\)                                      \(\begin{array}{*{20}{c}}{ - \begin{array}{*{20}{c}}{64}\\{29}\end{array}}\\\hline{\,\,\,35}\end{array}\)

\(\begin{array}{*{20}{c}}{ - \begin{array}{*{20}{c}}{31}\\{18}\end{array}}\\\hline{\,\,\,13}\end{array}\)                       \(\begin{array}{*{20}{c}}{ - \begin{array}{*{20}{c}}{95}\\{38}\end{array}}\\\hline{\,\,\,\,57}\end{array}\)                       \(\begin{array}{*{20}{c}}{ - \begin{array}{*{20}{c}}{45}\\{16}\end{array}}\\\hline{\,\,\,29}\end{array}\)

Tóm tắt

Kiên nhặt: 35 quả                

Mai nhặt ít hơn Kiên: 16 quả

Mai nhặt:  quả     

Bài giải

Mai nhặt được số quả trứng gà là:

35 – 16 = 19 (quả)

Đáp số: 19 quả trứng gà.