Страница 48, ГДЗ по математике за 2 класс к проверочным работам Волковой. Серия "Школа России" к УМК Моро
Сложение и вычитание (продолжение). Проверочная работа 4. Вариант 1
\[\begin{aligned} 1) & & \textcolor{#e03131}{\mathbf{10}} - \textcolor{#e03131}{\mathbf{4}} &= 6 & \qquad 2) & & \textcolor{#e03131}{\mathbf{10}} - \textcolor{#e03131}{\mathbf{6}} &= 4 \\ & & \textcolor{#e03131}{\mathbf{11}} - \textcolor{#e03131}{\mathbf{5}} &= 6 & \qquad & & \textcolor{#e03131}{\mathbf{11}} - \textcolor{#e03131}{\mathbf{7}} &= 4 \\ & & \textcolor{#e03131}{\mathbf{12}} - \textcolor{#e03131}{\mathbf{6}} &= 6 & \qquad & & \textcolor{#e03131}{\mathbf{12}} - \textcolor{#e03131}{\mathbf{8}} &= 4 \\ & & \textcolor{#e03131}{\mathbf{13}} - \textcolor{#e03131}{\mathbf{7}} &= 6 & \qquad & & \textcolor{#e03131}{\mathbf{13}} - \textcolor{#e03131}{\mathbf{9}} &= 4 \\ & & \textcolor{#e03131}{\mathbf{14}} - \textcolor{#e03131}{\mathbf{8}} &= 6 & \qquad & & & \\ & & \textcolor{#e03131}{\mathbf{15}} - \textcolor{#e03131}{\mathbf{9}} &= 6 & \qquad & & & \end{aligned}\]
1) \[\begin{array}{cr} & \vphantom{\overset{\bullet}{0}}\overset{\textcolor{#1c7ed6}{\bullet}}{\textcolor{#1c7ed6}{4}}3 \\ \smash{\raisebox{0.62em}{$-$}} & 25 \\ \hline & \textcolor{#e03131}{\mathbf{1}\kern-0.075em\mathbf{8}\kern-0.075em} \end{array} \qquad \begin{array}{cr} & \vphantom{\overset{\bullet}{0}}\overset{\textcolor{#1c7ed6}{\bullet}}{\textcolor{#1c7ed6}{8}}2 \\ \smash{\raisebox{0.62em}{$-$}} & 37 \\ \hline & \textcolor{#e03131}{\mathbf{4}\kern-0.075em\mathbf{5}\kern-0.075em} \end{array} \qquad \begin{array}{cr} & \vphantom{\overset{\bullet}{0}}\overset{\textcolor{#1c7ed6}{\bullet}}{\textcolor{#1c7ed6}{9}}5 \\ \smash{\raisebox{0.62em}{$-$}} & 56 \\ \hline & \textcolor{#e03131}{\mathbf{3}\kern-0.075em\mathbf{9}\kern-0.075em} \end{array} \qquad \begin{array}{cr} & \vphantom{\overset{\bullet}{0}}\overset{\textcolor{#1c7ed6}{\bullet}}{\textcolor{#1c7ed6}{7}}0 \\ \smash{\raisebox{0.62em}{$-$}} & 48 \\ \hline & \textcolor{#e03131}{\mathbf{2}\kern-0.075em\mathbf{2}\kern-0.075em} \end{array}\] 2) \(58 - (40 - 10) = \textcolor{#e03131}{\mathbf{28}}\)
1) \[\hspace{0.72em}\mathclap{\raisebox{0.06em}{$\textcolor{#e03131}{\Large\bigcirc}$}}\mathclap{1}\hspace{0.72em} \qquad \hspace{0.72em}\mathclap{2}\hspace{0.72em} \qquad \hspace{0.72em}\mathclap{\raisebox{0.06em}{$\textcolor{#e03131}{\Large\bigcirc}$}}\mathclap{3}\hspace{0.72em} \qquad \hspace{0.72em}\mathclap{4}\hspace{0.72em}\] 2) Фигура 3: \[\begin{array}{ccc} & \textcolor{#e03131}{\textbf{V}} & \\ \textcolor{#e03131}{\textbf{W}} & \boxed{\rule{0pt}{2.2em}\hspace{6em}} & \textcolor{#e03131}{\textbf{W}} \\ & \textcolor{#e03131}{\textbf{V}} & \end{array}\]
\(1)\ 11 - 2 = \textcolor{#e03131}{\mathbf{9}}\text{ (л.)}\)
\(2)\ 9 + 5 = \textcolor{#e03131}{\mathbf{14}}\text{ (л.)}\)
Ответ: \(\textcolor{#e03131}{\mathbf{14}}\) лет.