Часть 1 страница 31, ГДЗ по математике за 2 класс к рабочей тетради Моро
Числа от 1 до 100. Сложение и вычитание
\[\begin{array}{cccl} \hspace{0.72em}\mathclap{\raisebox{0.06em}{$\textcolor{#e03131}{\Large\bigcirc}$}}\mathclap{\textcolor{#e03131}{\mathbf{1}}}\hspace{0.72em} & \textcolor{#e03131}{\rule[0.32em]{2.2em}{0.09em}} & \boxed{\overset{7\text{ р.}}{\overgroup{\rule[-0.35em]{0.07em}{0.7em}\underset{?}{\undergroup{\rule[-0.035em]{2.4em}{0.07em}}}\rule[-0.35em]{0.07em}{0.7em}\underset{3\text{ р.}}{\undergroup{\rule[-0.035em]{1.8em}{0.07em}}}\rule[-0.35em]{0.07em}{0.7em}}}} & \qquad \fcolorbox{#e03131}{#ffe3e3}{$7 - 3 = 4\text{ (р.)}$} \\[24pt] \hspace{0.72em}\mathclap{\raisebox{0.06em}{$\textcolor{#1c7ed6}{\Large\bigcirc}$}}\mathclap{\textcolor{#1c7ed6}{\mathbf{2}}}\hspace{0.72em} & \textcolor{#e03131}{\rule[0.32em]{2.2em}{0.09em}} & \boxed{\overset{7\text{ р.}}{\overgroup{\rule[-0.35em]{0.07em}{0.7em}\underset{4\text{ р.}}{\undergroup{\rule[-0.035em]{2.4em}{0.07em}}}\rule[-0.35em]{0.07em}{0.7em}\underset{?}{\undergroup{\rule[-0.035em]{1.8em}{0.07em}}}\rule[-0.35em]{0.07em}{0.7em}}}} & \qquad \fcolorbox{#1c7ed6}{#d0ebff}{$7 - 4 = 3\text{ (р.)}$} \\[24pt] \hspace{0.72em}\mathclap{\raisebox{0.06em}{$\textcolor{#2f9e44}{\Large\bigcirc}$}}\mathclap{\textcolor{#2f9e44}{\mathbf{3}}}\hspace{0.72em} & \textcolor{#e03131}{\rule[0.32em]{2.2em}{0.09em}} & \boxed{\overset{?}{\overgroup{\rule[-0.35em]{0.07em}{0.7em}\underset{4\text{ р.}}{\undergroup{\rule[-0.035em]{2.4em}{0.07em}}}\rule[-0.35em]{0.07em}{0.7em}\underset{3\text{ р.}}{\undergroup{\rule[-0.035em]{1.8em}{0.07em}}}\rule[-0.35em]{0.07em}{0.7em}}}} & \qquad \fcolorbox{#2f9e44}{#d3f9d8}{$4 + 3 = 7\text{ (р.)}$} \end{array}\]
1) \({9 + 8 = 9 + 1 + \boxed{\kern0.035em\textcolor{#e03131}{\mathbf{7}}\kern0.035em}} \qquad\allowbreak {7 + 6 = 7 + \boxed{\kern0.035em\textcolor{#e03131}{\mathbf{3}}\kern0.035em} + 3}\)
\({8 + 5 = 8 + 2 + \boxed{\kern0.035em\textcolor{#e03131}{\mathbf{3}}\kern0.035em}} \qquad\allowbreak {9 + 7 = 9 + \boxed{\kern0.035em\textcolor{#e03131}{\mathbf{1}}\kern0.035em} + 6}\)
2) \({7 + 4 = 3 + \boxed{\kern0.035em\textcolor{#e03131}{\mathbf{8}}\kern0.035em}} \qquad\allowbreak {4 + 9 = \boxed{\kern0.035em\textcolor{#e03131}{\mathbf{6}}\kern0.035em} + 7}\)
\({6 + 9 = 8 + \boxed{\kern0.035em\textcolor{#e03131}{\mathbf{7}}\kern0.035em}} \qquad\allowbreak {9 + 9 = \boxed{\kern0.035em\textcolor{#e03131}{\mathbf{9}}\kern0.035em} + 9}\)
