Часть 1 страница 74, ГДЗ по математике за 2 класс к рабочей тетради Моро
32 + 46
\[17,\ 24,\ 31,\ 38,\ \textcolor{#e03131}{\mathbf{45}}\textcolor{#e03131}{\mathbf{,}}\ \textcolor{#e03131}{\mathbf{52}}\textcolor{#e03131}{\mathbf{,}}\ \textcolor{#e03131}{\mathbf{59}}\] \(\textcolor{#808080}{\text{Каждое число на}}\) \(\textcolor{#808080}{\text{7 больше предыдущего.}}\) \[68,\ 62,\ 56,\ 50,\ \textcolor{#e03131}{\mathbf{44}}\textcolor{#e03131}{\mathbf{,}}\ \textcolor{#e03131}{\mathbf{38}}\textcolor{#e03131}{\mathbf{,}}\ \textcolor{#e03131}{\mathbf{32}}\] \(\textcolor{#808080}{\text{Каждое число на}}\) \(\textcolor{#808080}{\text{6 меньше предыдущего.}}\)
\[3 \longrightarrow +10 \longrightarrow -8 \longrightarrow +24 \longrightarrow \boxed{\smash[b]{\underset{\hspace{2.5em}}{\textcolor{#e03131}{\boldsymbol{-9}}}}} \longrightarrow 20\] \(\textcolor{#808080}{{3 + 10 = 13}\text{,}}\) \(\textcolor{#808080}{{13 - 8 = 5}\text{,}}\) \(\textcolor{#808080}{{5 + 24 = 29}\text{,}}\) \(\textcolor{#808080}{{29 - 9 = 20}\text{.}}\)
\[\begin{array}{|c|c|c|c|c|} \hline \text{Было} & \text{Ушли} & \text{Пришли} & \text{Стало} & \text{Решение} \\ \hline 20\text{ д.} & 8\text{ д.} & 5\text{ д.} & ? & \textcolor{#e03131}{\boldsymbol{20 - 8 + 5 = 17}} \\ \hline 20\text{ д.} & 8\text{ д.} & ? & 17\text{ д.} & \textcolor{#e03131}{\boldsymbol{17 - (20 - 8) = 5}} \\ \hline ? & 8\text{ д.} & 5\text{ д.} & 17\text{ д.} & \textcolor{#e03131}{\boldsymbol{17 - 5 + 8 = 20}} \\ \hline 20\text{ д.} & ? & 5\text{ д.} & 17\text{ д.} & \textcolor{#e03131}{\boldsymbol{20 + 5 - 17 = 8}} \\ \hline \end{array}\]
\[\begin{aligned} &23 - 10 = \textcolor{#e03131}{\mathbf{13}} \dashrightarrow 13 - 6 = \textcolor{#e03131}{\mathbf{7}} \mathrel{\textcolor{#e03131}{\boldsymbol{\to}}} 7 + 9 = \textcolor{#e03131}{\mathbf{16}} \\ &\mathrel{\textcolor{#e03131}{\boldsymbol{\to}}} 16 + 30 = \textcolor{#e03131}{\mathbf{46}} \mathrel{\textcolor{#e03131}{\boldsymbol{\to}}} 46 - 20 = \textcolor{#e03131}{\mathbf{26}} \\ &\mathrel{\textcolor{#e03131}{\boldsymbol{\to}}} 26 - 6 = \textcolor{#e03131}{\mathbf{20}} \mathrel{\textcolor{#e03131}{\boldsymbol{\to}}} 20 + 3 = \textcolor{#e03131}{\mathbf{23}} \mathrel{\textcolor{#e03131}{\boldsymbol{\to}}} \textcolor{#808080}{\text{(к первому)}} \end{aligned}\]
