2. Вычисли, записывая решение столбиком: 54 + 38 = 48 + 39 = 81 - 19 = 54 - 16 = 41 - 26 = 90 - 54 = 62 - 39 = 93 - 67 =

Решение: \( \begin{array}{r} \\ \phantom{0}54 \\ + \underline{38} \\ \phantom{0}92 \\ \end{array} \) \( \begin{array}{r} \\ \phantom{0}48 \\ + \underline{39} \\ \phantom{0}87 \\ \end{array} \) \( \begin{array}{r} \\ \phantom{0}81 \\ - \underline{19} \\ \phantom{0}62 \\ \end{array} \) \( \begin{array}{r} \\ \phantom{0}54 \\ - \underline{16} \\ \phantom{0}38 \\ \end{array} \) \( \begin{array}{r} \\ \phantom{0}41 \\ - \underline{26} \\ \phantom{0}15 \\ \end{array} \) \( \begin{array}{r} \\ \phantom{0}90 \\ - \underline{54} \\ \phantom{0}36 \\ \end{array} \) \( \begin{array}{r} \\ \phantom{0}62 \\ - \underline{39} \\ \phantom{0}23 \\ \end{array} \) \( \begin{array}{r} \\ \phantom{0}93 \\ - \underline{67} \\ \phantom{0}26 \\ \end{array} \) Ответ: 54 + 38 = 92 48 + 39 = 87 81 - 19 = 62 54 - 16 = 38 41 - 26 = 15 90 - 54 = 36 62 - 39 = 23 93 - 67 = 26