Страница 74, ГДЗ по математике за 3 класс к проверочным работам Волковой. Серия "Школа России" к УМК Моро
Сложение и вычитание. Проверочная работа 2. Вариант 1
\[\begin{array}{cr} & \vphantom{\overset{\bullet}{0}}216 \\ \smash{\raisebox{0.62em}{$+$}} & 523 \\ \hline & \textcolor{#e03131}{\mathbf{7}\kern-0.075em\mathbf{3}\kern-0.075em\mathbf{9}\kern-0.075em} \end{array} \quad \begin{array}{cr} & \vphantom{\overset{\bullet}{0}}\overset{\textcolor{#1c7ed6}{\bullet}}{\textcolor{#1c7ed6}{3}}94 \\ \smash{\raisebox{0.62em}{$+$}} & 425 \\ \hline & \textcolor{#e03131}{\mathbf{8}\kern-0.075em\mathbf{1}\kern-0.075em\mathbf{9}\kern-0.075em} \end{array} \quad \begin{array}{cr} & \vphantom{\overset{\bullet}{0}}837 \\ \smash{\raisebox{0.62em}{$-$}} & 214 \\ \hline & \textcolor{#e03131}{\mathbf{6}\kern-0.075em\mathbf{2}\kern-0.075em\mathbf{3}\kern-0.075em} \end{array} \quad \begin{array}{cr} & \vphantom{\overset{\bullet}{0}}\overset{\textcolor{#1c7ed6}{\bullet}}{\textcolor{#1c7ed6}{7}}26 \\ \smash{\raisebox{0.62em}{$-$}} & 395 \\ \hline & \textcolor{#e03131}{\mathbf{3}\kern-0.075em\mathbf{3}\kern-0.075em\mathbf{1}\kern-0.075em} \end{array} \quad \begin{array}{cr} & \vphantom{\overset{\bullet}{0}}\overset{\textcolor{#1c7ed6}{\bullet}}{\textcolor{#1c7ed6}{6}}9 \\ \smash{\raisebox{0.62em}{$+$}} & 94 \\ \hline & \textcolor{#e03131}{\mathbf{1}\kern-0.075em\mathbf{6}\kern-0.075em\mathbf{3}\kern-0.075em} \end{array}\]
\[\begin{aligned} \overset{\textcolor{#808080}{\scriptstyle 54\text{ дм}}}{5\text{ м }4\text{ дм}} &\mathrel{\hspace{0.72em}\mathclap{\vcenter{\Large\bigcirc}}\mathclap{\textcolor{#e03131}{\pmb{\boldsymbol{>}}}}\hspace{0.72em}} \overset{\textcolor{#808080}{\scriptstyle 45\text{ дм}}}{4\text{ м }5\text{ дм}} & \qquad 19 \overset{\mathclap{\textcolor{#808080}{\scriptstyle 57}}\rule[-0.35em]{0pt}{0.35em}}{\cdot} 3 &\mathrel{\hspace{0.72em}\mathclap{\vcenter{\Large\bigcirc}}\mathclap{\textcolor{#e03131}{\pmb{\boldsymbol{<}}}}\hspace{0.72em}} 3 \overset{\mathclap{\textcolor{#808080}{\scriptstyle 273}}\rule[-0.35em]{0pt}{0.35em}}{\cdot} 91 \\ \overset{\textcolor{#808080}{\scriptstyle 120\text{ мин}}}{2\text{ ч}} &\mathrel{\hspace{0.72em}\mathclap{\vcenter{\Large\bigcirc}}\mathclap{\textcolor{#e03131}{\pmb{\boldsymbol{<}}}}\hspace{0.72em}} 200\text{ мин} \end{aligned}\]
\[\begin{aligned} 700 - x &= 200 & \qquad x - 400 &= 500 \\ x &= 700 - 200 & \qquad x &= 500 + 400 \\ x &= \textcolor{#e03131}{\mathbf{500}} & \qquad x &= \textcolor{#e03131}{\mathbf{900}} \end{aligned}\]
\(1)\ 110 + 70 = \textcolor{#e03131}{\mathbf{180}}\text{ (газ.)}\)
\(2)\ 230 - 180 = \textcolor{#e03131}{\mathbf{50}}\text{ (газ.)}\)
Ответ: \(\textcolor{#e03131}{\mathbf{50}}\) газет.
\[\begin{array}{r} \vphantom{\boxed{\mathbf{0}}}\hspace{1.45em}\hspace{0.725em}\mathclap{3}\hspace{0.725em}\hspace{0.725em}\mathclap{4}\hspace{0.725em} \\ \vphantom{\boxed{\mathbf{0}}}\rule[-0.55em]{0pt}{0.55em}\hspace{0.725em}\mathclap{\smash{\raisebox{0.72em}{$+$}}}\hspace{0.725em}\hspace{0.725em}\mathclap{\boxed{\kern0.035em\textcolor{#e03131}{\mathbf{2}}\kern0.035em}}\hspace{0.725em}\hspace{0.725em}\mathclap{\boxed{\kern0.035em\textcolor{#e03131}{\mathbf{4}}\kern0.035em}}\hspace{0.725em} \\ \hline \vphantom{\boxed{\mathbf{0}}}\rule{0pt}{1.2em}\hspace{1.45em}\hspace{0.725em}\mathclap{5}\hspace{0.725em}\hspace{0.725em}\mathclap{8}\hspace{0.725em} \end{array} \qquad \begin{array}{r} \vphantom{\boxed{\mathbf{0}}}\hspace{1.45em}\hspace{0.725em}\mathclap{6}\hspace{0.725em}\hspace{0.725em}\mathclap{7}\hspace{0.725em} \\ \vphantom{\boxed{\mathbf{0}}}\rule[-0.55em]{0pt}{0.55em}\hspace{0.725em}\mathclap{\smash{\raisebox{0.72em}{$-$}}}\hspace{0.725em}\hspace{0.725em}\mathclap{\boxed{\kern0.035em\textcolor{#e03131}{\mathbf{4}}\kern0.035em}}\hspace{0.725em}\hspace{0.725em}\mathclap{5}\hspace{0.725em} \\ \hline \vphantom{\boxed{\mathbf{0}}}\rule{0pt}{1.2em}\hspace{1.45em}\hspace{0.725em}\mathclap{2}\hspace{0.725em}\hspace{0.725em}\mathclap{\boxed{\kern0.035em\textcolor{#e03131}{\mathbf{2}}\kern0.035em}}\hspace{0.725em} \end{array} \qquad \begin{array}{r} \vphantom{\boxed{\mathbf{0}}}\hspace{1.45em}\hspace{0.725em}\mathclap{8}\hspace{0.725em}\hspace{0.725em}\mathclap{3}\hspace{0.725em} \\ \vphantom{\boxed{\mathbf{0}}}\rule[-0.55em]{0pt}{0.55em}\hspace{0.725em}\mathclap{\smash{\raisebox{0.72em}{$-$}}}\hspace{0.725em}\hspace{0.725em}\mathclap{2}\hspace{0.725em}\hspace{0.725em}\mathclap{\boxed{\kern0.035em\textcolor{#e03131}{\mathbf{8}}\kern0.035em}}\hspace{0.725em} \\ \hline \vphantom{\boxed{\mathbf{0}}}\rule{0pt}{1.2em}\hspace{1.45em}\hspace{0.725em}\mathclap{\boxed{\kern0.035em\textcolor{#e03131}{\mathbf{5}}\kern0.035em}}\hspace{0.725em}\hspace{0.725em}\mathclap{5}\hspace{0.725em} \end{array} \qquad \begin{array}{r} \vphantom{\boxed{\mathbf{0}}}\hspace{1.45em}\hspace{0.725em}\mathclap{9}\hspace{0.725em}\hspace{0.725em}\mathclap{\boxed{\kern0.035em\textcolor{#e03131}{\mathbf{3}}\kern0.035em}}\hspace{0.725em} \\ \vphantom{\boxed{\mathbf{0}}}\rule[-0.55em]{0pt}{0.55em}\hspace{0.725em}\mathclap{\smash{\raisebox{0.72em}{$-$}}}\hspace{0.725em}\hspace{0.725em}\mathclap{\boxed{\kern0.035em\textcolor{#e03131}{\mathbf{5}}\kern0.035em}}\hspace{0.725em}\hspace{0.725em}\mathclap{6}\hspace{0.725em} \\ \hline \vphantom{\boxed{\mathbf{0}}}\rule{0pt}{1.2em}\hspace{1.45em}\hspace{0.725em}\mathclap{3}\hspace{0.725em}\hspace{0.725em}\mathclap{7}\hspace{0.725em} \end{array}\]
