Страница 79, ГДЗ по математике за 4 класс к самостоятельным и контрольным работам Лопатковой

\[\begin{aligned} 3\text{ ч }47\text{ мин} &= \boxed{\smash[b]{\underset{\hspace{4em}}{\textcolor{#e03131}{\mathbf{13\,620}}}}}\text{ с} \\ 12\text{ т }4\text{ ц }23\text{ кг} &= \boxed{\smash[b]{\underset{\hspace{4em}}{\textcolor{#e03131}{\mathbf{12\,423}}}}}\text{ кг} \\ 12\text{ км} &= \boxed{\smash[b]{\underset{\hspace{4em}}{\textcolor{#e03131}{\mathbf{120\,000}}}}}\text{ дм} \\ 5\text{ ч }13\text{ мин} &= \boxed{\smash[b]{\underset{\hspace{4em}}{\textcolor{#e03131}{\mathbf{313}}}}}\text{ мин} \end{aligned}\]

\[\begin{aligned} 476 \mathbin{\overset{\textcolor{#1a7f37}{1}}{\vphantom{+}\cdot}} 287 \overset{\textcolor{#1a7f37}{4}}{-} 31\,080 \mathrel{\overset{\textcolor{#1a7f37}{2}}{\vphantom{+}{:}}} 84 \overset{\textcolor{#1a7f37}{5}}{+} 563 \mathbin{\overset{\textcolor{#1a7f37}{3}}{\vphantom{+}\cdot}} 109 &= \boxed{\smash[b]{\underset{\hspace{4em}}{\textcolor{#e03131}{\mathbf{197\,609}}}}} \end{aligned}\] \[\begin{array}{l} \textcolor{#1a7f37}{\mathbf{1)}} \\ \begin{array}{cr} & \vphantom{\overset{\bullet}{0}}476 \\ \smash{\raisebox{0.62em}{$\times$}} & \vphantom{\overset{\bullet}{0}}287 \\ \hline & 3332 \\ \smash{\raisebox{0.62em}{$+$}} & 3808\phantom{0} \\ & 952\phantom{00} \\ \hline & \textcolor{#e03131}{\mathbf{1}\kern-0.075em\mathbf{3}\kern-0.075em\mathbf{6}\kern-0.075em\mathbf{6}\kern-0.075em\mathbf{1}\kern-0.075em\mathbf{2}\kern-0.075em} \end{array} \end{array} \qquad \begin{array}{l} \textcolor{#1a7f37}{\mathbf{2)}} \\ \begin{array}{l} \begin{array}{l|l} \mathllap{\smash{\raisebox{-0.5em}{$-$}}\,}\overset{\mathclap{\textcolor{#1c7ed6}{\overgroup{\hphantom{\textstyle 310}}}}}{310}80 & \underline{\,84\phantom{0}\,} \\ \underline{252}\phantom{00} & \overset{\textcolor{#1c7ed6}{\bullet}}{\textcolor{#e03131}{\mathbf{3}\kern-0.075em}}\overset{\textcolor{#1c7ed6}{\bullet}}{\textcolor{#e03131}{\mathbf{7}\kern-0.075em}}\overset{\textcolor{#1c7ed6}{\bullet}}{\textcolor{#e03131}{\mathbf{0}\kern-0.075em}} \\ \phantom{0}\mathllap{\smash{\raisebox{-0.5em}{$-$}}\,}588\phantom{0} & \\ \phantom{0}\underline{588}\phantom{0} & \\ \phantom{0000}0 & \end{array} \\ \vphantom{\underline{0}} \end{array} \end{array} \qquad \begin{array}{l} \textcolor{#1a7f37}{\mathbf{3)}} \\ \begin{array}{cr} & \vphantom{\overset{\bullet}{0}}563 \\ \smash{\raisebox{0.62em}{$\times$}} & \vphantom{\overset{\bullet}{0}}109 \\ \hline & 5067 \\ \smash{\raisebox{0.62em}{$+$}} & 563\phantom{00} \\ \hline & \textcolor{#e03131}{\mathbf{6}\kern-0.075em\mathbf{1}\kern-0.075em\mathbf{3}\kern-0.075em\mathbf{6}\kern-0.075em\mathbf{7}\kern-0.075em} \\ & \vphantom{\underline{0}} \end{array} \end{array}\] \[\begin{array}{l} \textcolor{#1a7f37}{\mathbf{4)}} \\ \begin{array}{cr} & \vphantom{\overset{\bullet}{0}}136\overset{\textcolor{#1c7ed6}{\bullet}}{\textcolor{#1c7ed6}{6}}12 \\ \smash{\raisebox{0.62em}{$-$}} & 370 \\ \hline & \textcolor{#e03131}{\mathbf{1}\kern-0.075em\mathbf{3}\kern-0.075em\mathbf{6}\kern-0.075em\mathbf{2}\kern-0.075em\mathbf{4}\kern-0.075em\mathbf{2}\kern-0.075em} \end{array} \end{array} \qquad \begin{array}{l} \textcolor{#1a7f37}{\mathbf{5)}} \\ \begin{array}{cr} & \vphantom{\overset{\bullet}{0}}136\overset{\textcolor{#1c7ed6}{\bullet}}{\textcolor{#1c7ed6}{2}}42 \\ \smash{\raisebox{0.62em}{$+$}} & 61367 \\ \hline & \textcolor{#e03131}{\mathbf{1}\kern-0.075em\mathbf{9}\kern-0.075em\mathbf{7}\kern-0.075em\mathbf{6}\kern-0.075em\mathbf{0}\kern-0.075em\mathbf{9}\kern-0.075em} \end{array} \end{array}\]

\[\begin{aligned} b : 6 &= 2\,910 : (3\,100 - 3\,003) \\ b : 6 &= 2\,910 : \textcolor{#e03131}{\mathbf{97}} \\ b : 6 &= \textcolor{#e03131}{\mathbf{30}} \\ b &= 30 \cdot 6 \\ b &= \textcolor{#e03131}{\mathbf{180}} \\ \text{Проверка: }180 : 6 &= 2\,910 : (3\,100 - 3\,003) \\ \textcolor{#e03131}{\mathbf{30}} &= \textcolor{#e03131}{\mathbf{30}} \end{aligned}\] \[\begin{array}{cr} & \vphantom{\overset{\bullet}{0}}3\overset{\textcolor{#1c7ed6}{\bullet}}{\textcolor{#1c7ed6}{1}}\overset{\textcolor{#1c7ed6}{\bullet}}{\textcolor{#1c7ed6}{0}}0 \\ \smash{\raisebox{0.62em}{$-$}} & 3003 \\ \hline & \textcolor{#e03131}{\mathbf{9}\kern-0.075em\mathbf{7}\kern-0.075em} \end{array} \qquad \begin{array}{l|l} \mathllap{\smash{\raisebox{-0.5em}{$-$}}\,}\overset{\mathclap{\textcolor{#1c7ed6}{\overgroup{\hphantom{\textstyle 291}}}}}{291}0 & \underline{\,97\,} \\ \underline{291}\phantom{0} & \overset{\textcolor{#1c7ed6}{\bullet}}{\textcolor{#e03131}{\mathbf{3}\kern-0.075em}}\overset{\textcolor{#1c7ed6}{\bullet}}{\textcolor{#e03131}{\mathbf{0}\kern-0.075em}} \\ \phantom{000}0 & \end{array}\]