Часть 1 страница 10, ГДЗ по математике за 2 класс к рабочей тетради Моро
Числа от 1 до 20 (повторение)
\[\begin{array}{|c|c|c|c|} \hline \text{Было} & 15\text{ м.} & ? & 18\text{ м.} \\ \hline \text{Уехало} & 8\text{ м.} & 9\text{ м.} & ? \\ \hline \text{Осталось} & ? & 3\text{ м.} & 10\text{ м.} \\ \hline \end{array}\]
1. \(15 - 8 = \textcolor{#e03131}{\mathbf{7}}\text{ (м.)}\)
Ответ: \(\textcolor{#e03131}{\mathbf{7}}\) машин.
2. \(9 + 3 = \textcolor{#e03131}{\mathbf{12}}\text{ (м.)}\)
Ответ: \(\textcolor{#e03131}{\mathbf{12}}\) машин.
3. \(18 - 10 = \textcolor{#e03131}{\mathbf{8}}\text{ (м.)}\)
Ответ: \(\textcolor{#e03131}{\mathbf{8}}\) машин.
\[\begin{array}{|c|c|c|c|c|} \hline 6 & 10 & 8 & 7 & 9 \\ \hline \rule[-0.52em]{0pt}{1.66em}\boxed{\kern0.035em\textcolor{#e03131}{\mathbf{1}}\kern0.035em}\hspace{-0.04em}\boxed{\kern0.035em\textcolor{#e03131}{\mathbf{3}}\kern0.035em} & \boxed{\kern0.035em\textcolor{#e03131}{\mathbf{1}}\kern0.035em}\hspace{-0.04em}\boxed{\kern0.035em\textcolor{#e03131}{\mathbf{7}}\kern0.035em} & \boxed{\kern0.035em\textcolor{#e03131}{\mathbf{1}}\kern0.035em}\hspace{-0.04em}\boxed{\kern0.035em\textcolor{#e03131}{\mathbf{5}}\kern0.035em} & \boxed{\kern0.035em\textcolor{#e03131}{\mathbf{1}}\kern0.035em}\hspace{-0.04em}\boxed{\kern0.035em\textcolor{#e03131}{\mathbf{4}}\kern0.035em} & \boxed{\kern0.035em\textcolor{#e03131}{\mathbf{1}}\kern0.035em}\hspace{-0.04em}\boxed{\kern0.035em\textcolor{#e03131}{\mathbf{6}}\kern0.035em} \\ \hline \end{array}\] Уменьши на 6: \[\begin{array}{|c|c|c|c|c|} \hline 13 & 15 & 12 & 14 & 11 \\ \hline \rule[-0.52em]{0pt}{1.66em}\boxed{\kern0.035em\textcolor{#e03131}{\mathbf{7}}\kern0.035em} & \boxed{\kern0.035em\textcolor{#e03131}{\mathbf{9}}\kern0.035em} & \boxed{\kern0.035em\textcolor{#e03131}{\mathbf{6}}\kern0.035em} & \boxed{\kern0.035em\textcolor{#e03131}{\mathbf{8}}\kern0.035em} & \boxed{\kern0.035em\textcolor{#e03131}{\mathbf{5}}\kern0.035em} \\ \hline \end{array}\]
\[\begin{aligned} 11 \mathbin{\textcolor{#e03131}{\pmb{\boldsymbol{-}}}} 5 &= 6 & \qquad 8 \mathbin{\textcolor{#e03131}{\pmb{\boldsymbol{+}}}} 4 \mathbin{\textcolor{#e03131}{\pmb{\boldsymbol{+}}}} 5 &= 17 & \qquad 17 \mathbin{\textcolor{#e03131}{\pmb{\boldsymbol{-}}}} 8 \mathbin{\textcolor{#e03131}{\pmb{\boldsymbol{+}}}} 5 &= 14 \\ 9 \mathbin{\textcolor{#e03131}{\pmb{\boldsymbol{+}}}} 4 &= 13 & \qquad 7 \mathbin{\textcolor{#e03131}{\pmb{\boldsymbol{+}}}} 9 \mathbin{\textcolor{#e03131}{\pmb{\boldsymbol{-}}}} 8 &= 8 & \qquad 13 \mathbin{\textcolor{#e03131}{\pmb{\boldsymbol{+}}}} 5 \mathbin{\textcolor{#e03131}{\pmb{\boldsymbol{-}}}} 9 &= 9 \\ 8 \mathbin{\textcolor{#e03131}{\pmb{\boldsymbol{+}}}} 6 &= 14 & \qquad 8 \mathbin{\textcolor{#e03131}{\pmb{\boldsymbol{+}}}} 3 \mathbin{\textcolor{#e03131}{\pmb{\boldsymbol{-}}}} 7 &= 4 & \qquad 12 \mathbin{\textcolor{#e03131}{\pmb{\boldsymbol{+}}}} 3 \mathbin{\textcolor{#e03131}{\pmb{\boldsymbol{-}}}} 7 &= 8 \end{aligned}\]



