Страница 72, ГДЗ по математике за 1-4 класс к контрольным работам Волковой. Школа России

\[\begin{array}{l|l} \mathllap{\smash{\raisebox{-0.5em}{$-$}}\,}\overset{\mathclap{\textcolor{#1c7ed6}{\overgroup{\hphantom{\textstyle 439}}}}}{439}92 & \underline{\,78\phantom{0}\,} \\ \underline{390}\phantom{00} & \overset{\textcolor{#1c7ed6}{\bullet}}{\textcolor{#e03131}{\mathbf{5}\kern-0.075em}}\overset{\textcolor{#1c7ed6}{\bullet}}{\textcolor{#e03131}{\mathbf{6}\kern-0.075em}}\overset{\textcolor{#1c7ed6}{\bullet}}{\textcolor{#e03131}{\mathbf{4}\kern-0.075em}} \\ \phantom{0}\mathllap{\smash{\raisebox{-0.5em}{$-$}}\,}499\phantom{0} & \\ \phantom{0}\underline{468}\phantom{0} & \\ \phantom{00}\mathllap{\smash{\raisebox{-0.5em}{$-$}}\,}312 & \\ \phantom{00}\underline{312} & \\ \phantom{0000}0 & \end{array} \qquad \begin{array}{l} \begin{array}{l|l} \mathllap{\smash{\raisebox{-0.5em}{$-$}}\,}\overset{\mathclap{\textcolor{#1c7ed6}{\overgroup{\hphantom{\textstyle 136}}}}}{136}30 & \underline{\,29\phantom{0}\,} \\ \underline{116}\phantom{00} & \overset{\textcolor{#1c7ed6}{\bullet}}{\textcolor{#e03131}{\mathbf{4}\kern-0.075em}}\overset{\textcolor{#1c7ed6}{\bullet}}{\textcolor{#e03131}{\mathbf{7}\kern-0.075em}}\overset{\textcolor{#1c7ed6}{\bullet}}{\textcolor{#e03131}{\mathbf{0}\kern-0.075em}} \\ \phantom{0}\mathllap{\smash{\raisebox{-0.5em}{$-$}}\,}203\phantom{0} & \\ \phantom{0}\underline{203}\phantom{0} & \\ \phantom{0000}0 & \end{array} \\ \vphantom{\underline{0}} \\ \vphantom{\underline{0}} \end{array}\]

\(1)\ 12 \cdot 52 = \textcolor{#e03131}{\mathbf{624}}\text{ (м.)}\)
\(2)\ 624 : 13 = \textcolor{#e03131}{\mathbf{48}}\text{ (стр.)}\) \[\begin{array}{l} \textcolor{#1a7f37}{\mathbf{1)}} \\ \begin{array}{cr} & \vphantom{\overset{\bullet}{0}}12 \\ \smash{\raisebox{0.62em}{$\times$}} & \vphantom{\overset{\bullet}{0}}52 \\ \hline & 24 \\ \smash{\raisebox{0.62em}{$+$}} & 60\phantom{0} \\ \hline & \textcolor{#e03131}{\mathbf{6}\kern-0.075em\mathbf{2}\kern-0.075em\mathbf{4}\kern-0.075em} \end{array} \end{array} \qquad \begin{array}{l} \textcolor{#1a7f37}{\mathbf{2)}} \\ \begin{array}{l|l} \mathllap{\smash{\raisebox{-0.5em}{$-$}}\,}\overset{\mathclap{\textcolor{#1c7ed6}{\frown}}}{62}4 & \underline{\,13\,} \\ \underline{52}\phantom{0} & \overset{\textcolor{#1c7ed6}{\bullet}}{\textcolor{#e03131}{\mathbf{4}\kern-0.075em}}\overset{\textcolor{#1c7ed6}{\bullet}}{\textcolor{#e03131}{\mathbf{8}\kern-0.075em}} \\ \mathllap{\smash{\raisebox{-0.5em}{$-$}}\,}104 & \\ \underline{104} & \\ \phantom{00}0 & \end{array} \end{array}\] Ответ: \(\textcolor{#e03131}{\mathbf{48}}\) страниц.

\[\begin{aligned} \overset{\textcolor{#808080}{\scriptstyle 3\,700\text{ см}^2}}{37\text{ дм}^2} &\mathrel{\hspace{0.72em}\mathclap{\vcenter{\Large\bigcirc}}\mathclap{\textcolor{#e03131}{\pmb{\boldsymbol{>}}}}\hspace{0.72em}} 370\text{ см}^2 & \qquad 150\text{ мин} &\mathrel{\hspace{0.72em}\mathclap{\vcenter{\Large\bigcirc}}\mathclap{\textcolor{#e03131}{\pmb{\boldsymbol{<}}}}\hspace{0.72em}} \overset{\textcolor{#808080}{\scriptstyle 180\text{ мин}}}{3\text{ ч}} \end{aligned}\]

\[\begin{array}{r} \vphantom{\boxed{\mathbf{0}}}\hspace{1.45em}\hspace{0.725em}\mathclap{2}\hspace{0.725em}\hspace{0.725em}\mathclap{6}\hspace{0.725em}\hspace{0.725em}\mathclap{\boxed{\kern0.035em\textcolor{#e03131}{\mathbf{8}}\kern0.035em}}\hspace{0.725em}\hspace{0.725em}\mathclap{4}\hspace{0.725em} \\ \vphantom{\boxed{\mathbf{0}}}\rule[-0.55em]{0pt}{0.55em}\hspace{0.725em}\mathclap{\smash{\raisebox{0.72em}{$\times$}}}\hspace{0.725em}\hspace{1.45em}\hspace{1.45em}\hspace{1.45em}\hspace{0.725em}\mathclap{\boxed{\kern0.035em\textcolor{#e03131}{\mathbf{7}}\kern0.035em}}\hspace{0.725em} \\ \hline \vphantom{\boxed{\mathbf{0}}}\rule{0pt}{1.2em}\hspace{0.725em}\mathclap{\boxed{\kern0.035em\textcolor{#e03131}{\mathbf{1}}\kern0.035em}}\hspace{0.725em}\hspace{0.725em}\mathclap{\boxed{\kern0.035em\textcolor{#e03131}{\mathbf{8}}\kern0.035em}}\hspace{0.725em}\hspace{0.725em}\mathclap{\boxed{\kern0.035em\textcolor{#e03131}{\mathbf{7}}\kern0.035em}}\hspace{0.725em}\hspace{0.725em}\mathclap{8}\hspace{0.725em}\hspace{0.725em}\mathclap{8}\hspace{0.725em} \end{array}\]

1) \[\begin{array}{cr} & \vphantom{\overset{\bullet}{0}}\overset{\textcolor{#1c7ed6}{\bullet}}{\textcolor{#1c7ed6}{6}}\overset{\textcolor{#1c7ed6}{\bullet}}{\textcolor{#1c7ed6}{5}}\overset{\textcolor{#1c7ed6}{\bullet}}{\textcolor{#1c7ed6}{0}}\overset{\textcolor{#1c7ed6}{\bullet}}{\textcolor{#1c7ed6}{0}}0 \\ \smash{\raisebox{0.62em}{$-$}} & 8679 \\ \hline & \textcolor{#e03131}{\mathbf{5}\kern-0.075em\mathbf{6}\kern-0.075em\mathbf{3}\kern-0.075em\mathbf{2}\kern-0.075em\mathbf{1}\kern-0.075em} \\ & \vphantom{\underline{0}} \\ & \vphantom{\underline{0}} \end{array} \qquad \begin{array}{cr} & \vphantom{\overset{\bullet}{0}}\overset{\textcolor{#1c7ed6}{\bullet}}{\textcolor{#1c7ed6}{5}}\overset{\textcolor{#1c7ed6}{\bullet}}{\textcolor{#1c7ed6}{6}}\overset{\textcolor{#1c7ed6}{\bullet}}{\textcolor{#1c7ed6}{3}}\overset{\textcolor{#1c7ed6}{\bullet}}{\textcolor{#1c7ed6}{8}}7 \\ \smash{\raisebox{0.62em}{$+$}} & 47918 \\ \hline & \textcolor{#e03131}{\mathbf{1}\kern-0.075em\mathbf{0}\kern-0.075em\mathbf{4}\kern-0.075em\mathbf{3}\kern-0.075em\mathbf{0}\kern-0.075em\mathbf{5}\kern-0.075em} \\ & \vphantom{\underline{0}} \\ & \vphantom{\underline{0}} \end{array} \qquad \begin{array}{cr} & \vphantom{\overset{\bullet}{0}}5098 \\ \smash{\raisebox{0.62em}{$\times$}} & 27 \\ \hline & 35686 \\ \smash{\raisebox{0.62em}{$+$}} & 10196\phantom{0} \\ \hline & \textcolor{#e03131}{\mathbf{1}\kern-0.075em\mathbf{3}\kern-0.075em\mathbf{7}\kern-0.075em\mathbf{6}\kern-0.075em\mathbf{4}\kern-0.075em\mathbf{6}\kern-0.075em} \end{array}\] \[\begin{array}{l|l} \mathllap{\smash{\raisebox{-0.5em}{$-$}}\,}\overset{\mathclap{\textcolor{#1c7ed6}{\overgroup{\hphantom{\textstyle 197}}}}}{197}12 & \underline{\,64\phantom{0}\,} \\ \underline{192}\phantom{00} & \overset{\textcolor{#1c7ed6}{\bullet}}{\textcolor{#e03131}{\mathbf{3}\kern-0.075em}}\overset{\textcolor{#1c7ed6}{\bullet}}{\textcolor{#e03131}{\mathbf{0}\kern-0.075em}}\overset{\textcolor{#1c7ed6}{\bullet}}{\textcolor{#e03131}{\mathbf{8}\kern-0.075em}} \\ \phantom{00}\mathllap{\smash{\raisebox{-0.5em}{$-$}}\,}512 & \\ \phantom{00}\underline{512} & \\ \phantom{0000}0 & \end{array}\] Проверка: \[\begin{array}{l|l} \mathllap{\smash{\raisebox{-0.5em}{$-$}}\,}\overset{\mathclap{\textcolor{#1c7ed6}{\overgroup{\hphantom{\textstyle 137}}}}}{137}646 & \underline{\,27\phantom{00}\,} \\ \underline{135}\phantom{000} & \overset{\textcolor{#1c7ed6}{\bullet}}{\textcolor{#e03131}{\mathbf{5}\kern-0.075em}}\overset{\textcolor{#1c7ed6}{\bullet}}{\textcolor{#e03131}{\mathbf{0}\kern-0.075em}}\overset{\textcolor{#1c7ed6}{\bullet}}{\textcolor{#e03131}{\mathbf{9}\kern-0.075em}}\overset{\textcolor{#1c7ed6}{\bullet}}{\textcolor{#e03131}{\mathbf{8}\kern-0.075em}} \\ \phantom{00}\mathllap{\smash{\raisebox{-0.5em}{$-$}}\,}264\phantom{0} & \\ \phantom{00}\underline{243}\phantom{0} & \\ \phantom{000}\mathllap{\smash{\raisebox{-0.5em}{$-$}}\,}216 & \\ \phantom{000}\underline{216} & \\ \phantom{00000}0 & \end{array}\] 2) \[150\,131 \overset{\textcolor{#1a7f37}{3}}{-} 25\,942 \mathrel{\overset{\textcolor{#1a7f37}{1}}{\vphantom{+}{:}}} 7 \mathbin{\overset{\textcolor{#1a7f37}{2}}{\vphantom{+}\cdot}} 27 = \textcolor{#e03131}{\mathbf{50\,069}}\] \[\begin{array}{l} \textcolor{#1a7f37}{\mathbf{1)}} \\ \begin{array}{l|l} \mathllap{\smash{\raisebox{-0.5em}{$-$}}\,}\overset{\mathclap{\textcolor{#1c7ed6}{\frown}}}{25}942 & \underline{\,7\phantom{000}\,} \\ \underline{21}\phantom{000} & \overset{\textcolor{#1c7ed6}{\bullet}}{\textcolor{#e03131}{\mathbf{3}\kern-0.075em}}\overset{\textcolor{#1c7ed6}{\bullet}}{\textcolor{#e03131}{\mathbf{7}\kern-0.075em}}\overset{\textcolor{#1c7ed6}{\bullet}}{\textcolor{#e03131}{\mathbf{0}\kern-0.075em}}\overset{\textcolor{#1c7ed6}{\bullet}}{\textcolor{#e03131}{\mathbf{6}\kern-0.075em}} \\ \phantom{0}\mathllap{\smash{\raisebox{-0.5em}{$-$}}\,}49\phantom{00} & \\ \phantom{0}\underline{49}\phantom{00} & \\ \phantom{000}\mathllap{\smash{\raisebox{-0.5em}{$-$}}\,}42 & \\ \phantom{000}\underline{42} & \\ \phantom{0000}0 & \end{array} \end{array} \qquad \begin{array}{l} \textcolor{#1a7f37}{\mathbf{2)}} \\ \begin{array}{cr} & \vphantom{\overset{\bullet}{0}}3706 \\ \smash{\raisebox{0.62em}{$\times$}} & \vphantom{\overset{\bullet}{0}}27 \\ \hline & 25942 \\ \smash{\raisebox{0.62em}{$+$}} & 7412\phantom{0} \\ \hline & \textcolor{#e03131}{\mathbf{1}\kern-0.075em\mathbf{0}\kern-0.075em\mathbf{0}\kern-0.075em\mathbf{0}\kern-0.075em\mathbf{6}\kern-0.075em\mathbf{2}\kern-0.075em} \\ & \vphantom{\underline{0}} \\ & \vphantom{\underline{0}} \end{array} \end{array} \qquad \begin{array}{l} \textcolor{#1a7f37}{\mathbf{3)}} \\ \begin{array}{cr} & \vphantom{\overset{\bullet}{0}}150\overset{\textcolor{#1c7ed6}{\bullet}}{\textcolor{#1c7ed6}{1}}\overset{\textcolor{#1c7ed6}{\bullet}}{\textcolor{#1c7ed6}{3}}1 \\ \smash{\raisebox{0.62em}{$-$}} & \vphantom{\overset{\bullet}{0}}100062 \\ \hline & \textcolor{#e03131}{\mathbf{5}\kern-0.075em\mathbf{0}\kern-0.075em\mathbf{0}\kern-0.075em\mathbf{6}\kern-0.075em\mathbf{9}\kern-0.075em} \\ & \vphantom{\underline{0}} \\ & \vphantom{\underline{0}} \\ & \vphantom{\underline{0}} \\ & \vphantom{\underline{0}} \end{array} \end{array}\] 3) \[\overset{\textcolor{#808080}{\scriptstyle 2\,916\text{ м}}}{2\text{ км }916\text{ м}} + \overset{\textcolor{#808080}{\scriptstyle 4\,084\text{ м}}}{4\text{ км }84\text{ м}} = \textcolor{#e03131}{\mathbf{7}}\text{ км}\] \[\begin{array}{cr} & \vphantom{\overset{\bullet}{0}}\overset{\textcolor{#1c7ed6}{\bullet}}{\textcolor{#1c7ed6}{2}}\overset{\textcolor{#1c7ed6}{\bullet}}{\textcolor{#1c7ed6}{9}}\overset{\textcolor{#1c7ed6}{\bullet}}{\textcolor{#1c7ed6}{1}}6 \\ \smash{\raisebox{0.62em}{$+$}} & 4084 \\ \hline & \textcolor{#e03131}{\mathbf{7}\kern-0.075em\mathbf{0}\kern-0.075em\mathbf{0}\kern-0.075em\mathbf{0}\kern-0.075em} \end{array}\]