Страница 16, ГДЗ по математике за 2 класс к проверочным работам Волковой. Серия "Школа России" к УМК Моро
Сложение и вычитание. Проверочная работа 1. Вариант 1
\[\begin{array}{ccl} \textcircled{1} & \textcolor{#e03131}{\rule[0.32em]{2.2em}{0.09em}} & \boxed{20 + 8 = \textcolor{#e03131}{\mathbf{28}}} \\[4pt] \textcircled{2} & \textcolor{#e03131}{\rule[0.32em]{2.2em}{0.09em}} & \boxed{28 - 8 = \textcolor{#e03131}{\mathbf{20}}} \\[4pt] \textcircled{3} & \textcolor{#e03131}{\rule[0.32em]{2.2em}{0.09em}} & \boxed{20 - 8 = \textcolor{#e03131}{\mathbf{12}}} \\[4pt] \textcircled{4} & \textcolor{#e03131}{\rule[0.32em]{2.2em}{0.09em}} & \boxed{28 - 20 = \textcolor{#e03131}{\mathbf{8}}} \end{array}\]
\[\hspace{0.72em}\mathclap{\raisebox{0.06em}{$\textcolor{#272727}{\Large\bigcirc}$}}\mathclap{1}\hspace{0.72em} \qquad \hspace{0.72em}\mathclap{\raisebox{0.06em}{$\textcolor{#e03131}{\Large\bigcirc}$}}\mathclap{\textcolor{#e03131}{\mathbf{2}}}\hspace{0.72em} \qquad \hspace{0.72em}\mathclap{\raisebox{0.06em}{$\textcolor{#272727}{\Large\bigcirc}$}}\mathclap{3}\hspace{0.72em} \qquad \hspace{0.72em}\mathclap{\raisebox{0.06em}{$\textcolor{#e03131}{\Large\bigcirc}$}}\mathclap{\textcolor{#e03131}{\mathbf{4}}}\hspace{0.72em}\]
