Страница 57, ГДЗ по математике за 4 класс к тренажёру Конновой

\[24\,893 \overset{\textcolor{#1a7f37}{4}}{+} 3 \mathbin{\overset{\textcolor{#1a7f37}{2}}{\vphantom{+}\cdot}} (3\,098 \overset{\textcolor{#1a7f37}{1}}{-} 2\,097) \overset{\textcolor{#1a7f37}{5}}{+} 15\,108 \mathrel{\overset{\textcolor{#1a7f37}{3}}{\vphantom{+}{:}}} 3 = \boxed{\smash[b]{\underset{\hspace{4em}}{\textcolor{#e03131}{\mathbf{32\,932}}}}}\] \[\begin{array}{l} \textcolor{#1a7f37}{\mathbf{1)}} \\ \begin{array}{cr} & \vphantom{\overset{\bullet}{0}}3098 \\ \smash{\raisebox{0.62em}{$-$}} & \vphantom{\overset{\bullet}{0}}2097 \\ \hline & \textcolor{#e03131}{\mathbf{1}\kern-0.075em\mathbf{0}\kern-0.075em\mathbf{0}\kern-0.075em\mathbf{1}\kern-0.075em} \\ & \vphantom{\underline{0}} \\ & \vphantom{\underline{0}} \\ & \vphantom{\underline{0}} \\ & \vphantom{\underline{0}} \end{array} \end{array} \qquad \begin{array}{l} \textcolor{#1a7f37}{\mathbf{2)}} \\ \begin{array}{l} \vphantom{\overset{\bullet}{0}}3 \cdot 1\,001 = \textcolor{#e03131}{\mathbf{3\,003}} \\ \vphantom{\overset{\bullet}{0}} \\ \vphantom{\underline{0}} \\ \vphantom{\underline{0}} \\ \vphantom{\underline{0}} \\ \vphantom{\underline{0}} \\ \vphantom{\underline{0}} \end{array} \end{array} \qquad \begin{array}{l} \textcolor{#1a7f37}{\mathbf{3)}} \\ \begin{array}{l|l} \mathllap{\smash{\raisebox{-0.5em}{$-$}}\,}\overset{\mathclap{\textcolor{#1c7ed6}{\frown}}}{15}108 & \underline{\,3\phantom{000}\,} \\ \underline{15}\phantom{000} & \overset{\textcolor{#1c7ed6}{\bullet}}{\textcolor{#e03131}{\mathbf{5}\kern-0.075em}}\overset{\textcolor{#1c7ed6}{\bullet}}{\textcolor{#e03131}{\mathbf{0}\kern-0.075em}}\overset{\textcolor{#1c7ed6}{\bullet}}{\textcolor{#e03131}{\mathbf{3}\kern-0.075em}}\overset{\textcolor{#1c7ed6}{\bullet}}{\textcolor{#e03131}{\mathbf{6}\kern-0.075em}} \\ \phantom{00}\mathllap{\smash{\raisebox{-0.5em}{$-$}}\,}10\phantom{0} & \\ \phantom{000}\underline{9}\phantom{0} & \\ \phantom{000}\mathllap{\smash{\raisebox{-0.5em}{$-$}}\,}18 & \\ \phantom{000}\underline{18} & \\ \phantom{0000}0 & \end{array} \end{array}\] \[\begin{array}{l} \textcolor{#1a7f37}{\mathbf{4)}} \\ \begin{array}{cr} & \vphantom{\overset{\bullet}{0}}24893 \\ \smash{\raisebox{0.62em}{$+$}} & 3003 \\ \hline & \textcolor{#e03131}{\mathbf{2}\kern-0.075em\mathbf{7}\kern-0.075em\mathbf{8}\kern-0.075em\mathbf{9}\kern-0.075em\mathbf{6}\kern-0.075em} \end{array} \end{array} \qquad \begin{array}{l} \textcolor{#1a7f37}{\mathbf{5)}} \\ \begin{array}{cr} & \vphantom{\overset{\bullet}{0}}\overset{\textcolor{#1c7ed6}{\bullet}}{\textcolor{#1c7ed6}{2}}7\overset{\textcolor{#1c7ed6}{\bullet}}{\textcolor{#1c7ed6}{8}}\overset{\textcolor{#1c7ed6}{\bullet}}{\textcolor{#1c7ed6}{9}}6 \\ \smash{\raisebox{0.62em}{$+$}} & 5036 \\ \hline & \textcolor{#e03131}{\mathbf{3}\kern-0.075em\mathbf{2}\kern-0.075em\mathbf{9}\kern-0.075em\mathbf{3}\kern-0.075em\mathbf{2}\kern-0.075em} \end{array} \end{array}\] \[408\,320 \mathrel{\overset{\textcolor{#1a7f37}{1}}{\vphantom{+}{:}}} 704 \overset{\textcolor{#1a7f37}{3}}{+} 25\,420 \overset{\textcolor{#1a7f37}{4}}{-} 78 \mathbin{\overset{\textcolor{#1a7f37}{2}}{\vphantom{+}\cdot}} 103 = \boxed{\smash[b]{\underset{\hspace{6em}}{\textcolor{#e03131}{\mathbf{17\,966}}}}}\] \[\begin{array}{l} \textcolor{#1a7f37}{\mathbf{1)}} \\ \begin{array}{l|l} \mathllap{\smash{\raisebox{-0.5em}{$-$}}\,}\overset{\mathclap{\textcolor{#1c7ed6}{\overgroup{\hphantom{\textstyle 4083}}}}}{4083}20 & \underline{\,704\,} \\ \underline{3520}\phantom{00} & \overset{\textcolor{#1c7ed6}{\bullet}}{\textcolor{#e03131}{\mathbf{5}\kern-0.075em}}\overset{\textcolor{#1c7ed6}{\bullet}}{\textcolor{#e03131}{\mathbf{8}\kern-0.075em}}\overset{\textcolor{#1c7ed6}{\bullet}}{\textcolor{#e03131}{\mathbf{0}\kern-0.075em}} \\ \phantom{0}\mathllap{\smash{\raisebox{-0.5em}{$-$}}\,}5632\phantom{0} & \\ \phantom{0}\underline{5632}\phantom{0} & \\ \phantom{00000}0 & \end{array} \end{array} \qquad \begin{array}{l} \textcolor{#1a7f37}{\mathbf{2)}} \\ \begin{array}{cr} & \vphantom{\overset{\bullet}{0}}103 \\ \smash{\raisebox{0.62em}{$\times$}} & \vphantom{\overset{\bullet}{0}}78 \\ \hline & 824 \\ \smash{\raisebox{0.62em}{$+$}} & 721\phantom{0} \\ \hline & \textcolor{#e03131}{\mathbf{8}\kern-0.075em\mathbf{0}\kern-0.075em\mathbf{3}\kern-0.075em\mathbf{4}\kern-0.075em} \end{array} \end{array}\] \[\begin{array}{l} \textcolor{#1a7f37}{\mathbf{3)}} \\ \begin{array}{cr} & \vphantom{\overset{\bullet}{0}}2\overset{\textcolor{#1c7ed6}{\bullet}}{\textcolor{#1c7ed6}{5}}\overset{\textcolor{#1c7ed6}{\bullet}}{\textcolor{#1c7ed6}{4}}20 \\ \smash{\raisebox{0.62em}{$+$}} & 580 \\ \hline & \textcolor{#e03131}{\mathbf{2}\kern-0.075em\mathbf{6}\kern-0.075em\mathbf{0}\kern-0.075em\mathbf{0}\kern-0.075em\mathbf{0}\kern-0.075em} \end{array} \end{array} \qquad \begin{array}{l} \textcolor{#1a7f37}{\mathbf{4)}} \\ \begin{array}{cr} & \vphantom{\overset{\bullet}{0}}\overset{\textcolor{#1c7ed6}{\bullet}}{\textcolor{#1c7ed6}{2}}\overset{\textcolor{#1c7ed6}{\bullet}}{\textcolor{#1c7ed6}{6}}\overset{\textcolor{#1c7ed6}{\bullet}}{\textcolor{#1c7ed6}{0}}\overset{\textcolor{#1c7ed6}{\bullet}}{\textcolor{#1c7ed6}{0}}0 \\ \smash{\raisebox{0.62em}{$-$}} & 8034 \\ \hline & \textcolor{#e03131}{\mathbf{1}\kern-0.075em\mathbf{7}\kern-0.075em\mathbf{9}\kern-0.075em\mathbf{6}\kern-0.075em\mathbf{6}\kern-0.075em} \end{array} \end{array}\] \[(40\,000 \mathrel{\overset{\textcolor{#1a7f37}{1}}{\vphantom{+}{:}}} 25 \overset{\textcolor{#1a7f37}{2}}{+} 380) \mathbin{\overset{\textcolor{#1a7f37}{4}}{\vphantom{+}\cdot}} (65\,000 \overset{\textcolor{#1a7f37}{3}}{-} 64\,990) = \boxed{\smash[b]{\underset{\hspace{4em}}{\textcolor{#e03131}{\mathbf{19\,800}}}}}\] \[\begin{array}{l} \textcolor{#1a7f37}{\mathbf{1)}} \\ \begin{array}{l|l} \mathllap{\smash{\raisebox{-0.5em}{$-$}}\,}\overset{\mathclap{\textcolor{#1c7ed6}{\frown}}}{40}000 & \underline{\,25\phantom{00}\,} \\ \underline{25}\phantom{000} & \overset{\textcolor{#1c7ed6}{\bullet}}{\textcolor{#e03131}{\mathbf{1}\kern-0.075em}}\overset{\textcolor{#1c7ed6}{\bullet}}{\textcolor{#e03131}{\mathbf{6}\kern-0.075em}}\overset{\textcolor{#1c7ed6}{\bullet}}{\textcolor{#e03131}{\mathbf{0}\kern-0.075em}}\overset{\textcolor{#1c7ed6}{\bullet}}{\textcolor{#e03131}{\mathbf{0}\kern-0.075em}} \\ \mathllap{\smash{\raisebox{-0.5em}{$-$}}\,}150\phantom{00} & \\ \underline{150}\phantom{00} & \\ \phantom{0000}0 & \end{array} \end{array} \qquad \begin{array}{l} \textcolor{#1a7f37}{\mathbf{2)}} \\ \begin{array}{l} \vphantom{\overset{\bullet}{0}}1\,600 + 380 = \textcolor{#e03131}{\mathbf{1\,980}} \\ \vphantom{\overset{\bullet}{0}} \\ \vphantom{\underline{0}} \\ \vphantom{\underline{0}} \\ \vphantom{\underline{0}} \end{array} \end{array}\] \[\begin{array}{l} \textcolor{#1a7f37}{\mathbf{3)}} \\ \begin{array}{l} \vphantom{\overset{\bullet}{0}}65\,000 - 64\,990 = \textcolor{#e03131}{\mathbf{10}} \end{array} \end{array} \qquad \begin{array}{l} \textcolor{#1a7f37}{\mathbf{4)}} \\ \begin{array}{l} \vphantom{\overset{\bullet}{0}}1\,980 \cdot 10 = \textcolor{#e03131}{\mathbf{19\,800}} \end{array} \end{array}\]