Часть 1 страница 56, ГДЗ по математике за 2 класс к рабочей тетради Моро

\[40 - \underset{\mathclap{\textstyle\begin{array}{c} \diagup\!\diagdown \\[-3pt] \boxed{20}\hspace{0.3em}\boxed{\kern0.035em\textcolor{#e03131}{\mathbf{8}}\kern0.035em} \end{array}}}{28} = \boxed{\kern0.035em\textcolor{#e03131}{\mathbf{1}}\kern0.035em}\hspace{-0.04em}\boxed{\kern0.035em\textcolor{#e03131}{\mathbf{2}}\kern0.035em} \qquad\qquad 70 - \underset{\mathclap{\textstyle\begin{array}{c} \diagup\!\diagdown \\[-3pt] \boxed{50}\hspace{0.3em}\boxed{\kern0.035em\textcolor{#e03131}{\mathbf{6}}\kern0.035em} \end{array}}}{56} = \boxed{\kern0.035em\textcolor{#e03131}{\mathbf{1}}\kern0.035em}\hspace{-0.04em}\boxed{\kern0.035em\textcolor{#e03131}{\mathbf{4}}\kern0.035em}\] \[40 - 20 - \textcolor{#e03131}{\mathbf{8}} = \textcolor{#e03131}{\boldsymbol{20 - 8 = 12}} \qquad 70 - \textcolor{#e03131}{\mathbf{50}} - \textcolor{#e03131}{\mathbf{6}} = \textcolor{#e03131}{\boldsymbol{20 - 6 = 14}}\] 2) Вычисли значения выражений. \[\begin{aligned} 50 - 37 &= \textcolor{#e03131}{\mathbf{13}} & \qquad 60 - 43 &= \textcolor{#e03131}{\mathbf{17}} \\ 40 - 15 &= \textcolor{#e03131}{\mathbf{25}} & \qquad 70 - 32 &= \textcolor{#e03131}{\mathbf{38}} \\ 70 - 23 &= \textcolor{#e03131}{\mathbf{47}} & \qquad 80 - 54 &= \textcolor{#e03131}{\mathbf{26}} \end{aligned}\]

\(1)\ 56 - 30 = \textcolor{#e03131}{\mathbf{26}}\text{ (р.)}\)
\(2)\ 26 - 7 = \textcolor{#e03131}{\mathbf{19}}\text{ (р.)}\)
Ответ: \(\textcolor{#e03131}{\mathbf{19}}\) р.

\[8 \longrightarrow +7 \longrightarrow -9 \longrightarrow +8 \longrightarrow -8 \longrightarrow \hspace{1.04em}\mathclap{\vcenter{\huge\bigcirc}}\mathclap{\textcolor{#e03131}{\boldsymbol{-1}}}\hspace{1.04em} \longrightarrow 5\] \(\textcolor{#808080}{{8 + 7 = 15}\text{,}}\) \(\textcolor{#808080}{{15 - 9 = 6}\text{,}}\) \(\textcolor{#808080}{{6 + 8 = 14}\text{,}}\) \(\textcolor{#808080}{{14 - 8 = 6}\text{,}}\) \(\textcolor{#808080}{{6 - 1 = 5}\text{.}}\)