Страница 40, ГДЗ по математике за 4 класс к самостоятельным и контрольным работам Лопатковой

\[\overset{\textcolor{#808080}{\scriptstyle 14\,870\text{ кг}}}{14\text{ т }870\text{ кг}} \overset{\kern0.25em\textcolor{#808080}{\scriptstyle 51\,000\text{ кг}}\kern0.25em}{+} \overset{\textcolor{#808080}{\scriptstyle 36\,130\text{ кг}}}{36\text{ т }130\text{ кг}} = \boxed{\smash[b]{\underset{\hspace{4em}}{\textcolor{#e03131}{\mathbf{51}}\text{ т}}}}\] \[\overset{\textcolor{#808080}{\scriptstyle 12\,405\text{ г}}}{12\text{ кг }405\text{ г}} \overset{\kern0.25em\textcolor{#808080}{\scriptstyle 6\,385\text{ г}}\kern0.25em}{-} \overset{\textcolor{#808080}{\scriptstyle 6\,020\text{ г}}}{6\text{ кг }020\text{ г}} = \boxed{\smash[b]{\underset{\hspace{4em}}{\textcolor{#e03131}{\mathbf{6}}\text{ кг }\textcolor{#e03131}{\mathbf{385}}\text{ г}}}}\] \[\overset{\textcolor{#808080}{\scriptstyle 40\,000\text{ м}}}{40\text{ км}} \overset{\kern0.25em\textcolor{#808080}{\scriptstyle 13\,600\text{ м}}\kern0.25em}{-} \overset{\textcolor{#808080}{\scriptstyle 26\,400\text{ м}}}{26\text{ км }400\text{ м}} = \boxed{\smash[b]{\underset{\hspace{4em}}{\textcolor{#e03131}{\mathbf{13}}\text{ км }\textcolor{#e03131}{\mathbf{600}}\text{ м}}}}\]

\[\begin{aligned} 7\,543 \overset{\textcolor{#1a7f37}{3}}{-} 165 \mathbin{\overset{\textcolor{#1a7f37}{1}}{\vphantom{+}\cdot}} 6 \overset{\textcolor{#1a7f37}{4}}{+} 981 \mathrel{\overset{\textcolor{#1a7f37}{2}}{\vphantom{+}{:}}} 3 &= \boxed{\smash[b]{\underset{\hspace{4em}}{\textcolor{#e03131}{\mathbf{6\,880}}}}} \end{aligned}\] \[\begin{array}{l} \textcolor{#1a7f37}{\mathbf{1)}} \\ \begin{array}{cr} & \vphantom{\overset{\bullet}{0}}165 \\ \smash{\raisebox{0.62em}{$\times$}} & \vphantom{\overset{\bullet}{0}}6 \\ \hline & \textcolor{#e03131}{\mathbf{9}\kern-0.075em\mathbf{9}\kern-0.075em\mathbf{0}\kern-0.075em} \\ & \vphantom{\underline{0}} \\ & \vphantom{\underline{0}} \\ & \vphantom{\underline{0}} \\ & \vphantom{\underline{0}} \end{array} \end{array} \qquad \begin{array}{l} \textcolor{#1a7f37}{\mathbf{2)}} \\ \begin{array}{l|l} \mathllap{\smash{\raisebox{-0.5em}{$-$}}\,}\overset{\mathclap{\textcolor{#1c7ed6}{\frown}}}{9}81 & \underline{\,3\phantom{00}\,} \\ \underline{9}\phantom{00} & \overset{\textcolor{#1c7ed6}{\bullet}}{\textcolor{#e03131}{\mathbf{3}\kern-0.075em}}\overset{\textcolor{#1c7ed6}{\bullet}}{\textcolor{#e03131}{\mathbf{2}\kern-0.075em}}\overset{\textcolor{#1c7ed6}{\bullet}}{\textcolor{#e03131}{\mathbf{7}\kern-0.075em}} \\ \phantom{0}\mathllap{\smash{\raisebox{-0.5em}{$-$}}\,}8\phantom{0} & \\ \phantom{0}\underline{6}\phantom{0} & \\ \phantom{0}\mathllap{\smash{\raisebox{-0.5em}{$-$}}\,}21 & \\ \phantom{0}\underline{21} & \\ \phantom{00}0 & \end{array} \end{array}\] \[\begin{array}{l} \textcolor{#1a7f37}{\mathbf{3)}} \\ \begin{array}{cr} & \vphantom{\overset{\bullet}{0}}\overset{\textcolor{#1c7ed6}{\bullet}}{\textcolor{#1c7ed6}{7}}\overset{\textcolor{#1c7ed6}{\bullet}}{\textcolor{#1c7ed6}{5}}43 \\ \smash{\raisebox{0.62em}{$-$}} & 990 \\ \hline & \textcolor{#e03131}{\mathbf{6}\kern-0.075em\mathbf{5}\kern-0.075em\mathbf{5}\kern-0.075em\mathbf{3}\kern-0.075em} \end{array} \end{array} \qquad \begin{array}{l} \textcolor{#1a7f37}{\mathbf{4)}} \\ \begin{array}{cr} & \vphantom{\overset{\bullet}{0}}65\overset{\textcolor{#1c7ed6}{\bullet}}{\textcolor{#1c7ed6}{5}}3 \\ \smash{\raisebox{0.62em}{$+$}} & 327 \\ \hline & \textcolor{#e03131}{\mathbf{6}\kern-0.075em\mathbf{8}\kern-0.075em\mathbf{8}\kern-0.075em\mathbf{0}\kern-0.075em} \end{array} \end{array}\] \[\begin{aligned} 865 \mathrel{\overset{\textcolor{#1a7f37}{1}}{\vphantom{+}{:}}} 5 \overset{\textcolor{#1a7f37}{3}}{-} 75 \overset{\textcolor{#1a7f37}{4}}{+} 6 \mathbin{\overset{\textcolor{#1a7f37}{2}}{\vphantom{+}\cdot}} 163 &= \boxed{\smash[b]{\underset{\hspace{4em}}{\textcolor{#e03131}{\mathbf{1\,076}}}}} \end{aligned}\] \[\begin{array}{l} \textcolor{#1a7f37}{\mathbf{1)}} \\ \begin{array}{l|l} \mathllap{\smash{\raisebox{-0.5em}{$-$}}\,}\overset{\mathclap{\textcolor{#1c7ed6}{\frown}}}{8}65 & \underline{\,5\phantom{00}\,} \\ \underline{5}\phantom{00} & \overset{\textcolor{#1c7ed6}{\bullet}}{\textcolor{#e03131}{\mathbf{1}\kern-0.075em}}\overset{\textcolor{#1c7ed6}{\bullet}}{\textcolor{#e03131}{\mathbf{7}\kern-0.075em}}\overset{\textcolor{#1c7ed6}{\bullet}}{\textcolor{#e03131}{\mathbf{3}\kern-0.075em}} \\ \mathllap{\smash{\raisebox{-0.5em}{$-$}}\,}36\phantom{0} & \\ \underline{35}\phantom{0} & \\ \phantom{0}\mathllap{\smash{\raisebox{-0.5em}{$-$}}\,}15 & \\ \phantom{0}\underline{15} & \\ \phantom{00}0 & \end{array} \end{array} \qquad \begin{array}{l} \textcolor{#1a7f37}{\mathbf{2)}} \\ \begin{array}{cr} & \vphantom{\overset{\bullet}{0}}163 \\ \smash{\raisebox{0.62em}{$\times$}} & \vphantom{\overset{\bullet}{0}}6 \\ \hline & \textcolor{#e03131}{\mathbf{9}\kern-0.075em\mathbf{7}\kern-0.075em\mathbf{8}\kern-0.075em} \\ & \vphantom{\underline{0}} \\ & \vphantom{\underline{0}} \\ & \vphantom{\underline{0}} \\ & \vphantom{\underline{0}} \end{array} \end{array}\] \[\begin{array}{l} \textcolor{#1a7f37}{\mathbf{3)}} \\ \begin{array}{cr} & \vphantom{\overset{\bullet}{0}}\overset{\textcolor{#1c7ed6}{\bullet}}{\textcolor{#1c7ed6}{1}}\overset{\textcolor{#1c7ed6}{\bullet}}{\textcolor{#1c7ed6}{7}}3 \\ \smash{\raisebox{0.62em}{$-$}} & 75 \\ \hline & \textcolor{#e03131}{\mathbf{9}\kern-0.075em\mathbf{8}\kern-0.075em} \end{array} \end{array} \qquad \begin{array}{l} \textcolor{#1a7f37}{\mathbf{4)}} \\ \begin{array}{cr} & \vphantom{\overset{\bullet}{0}}\overset{\textcolor{#1c7ed6}{\bullet}}{\textcolor{#1c7ed6}{9}}\overset{\textcolor{#1c7ed6}{\bullet}}{\textcolor{#1c7ed6}{7}}8 \\ \smash{\raisebox{0.62em}{$+$}} & 98 \\ \hline & \textcolor{#e03131}{\mathbf{1}\kern-0.075em\mathbf{0}\kern-0.075em\mathbf{7}\kern-0.075em\mathbf{6}\kern-0.075em} \end{array} \end{array}\]

\(1)\ 230 - 170 = \textcolor{#e03131}{\mathbf{60}}\text{ (р.)}\)
\(2)\ 170 - 60 = \textcolor{#e03131}{\mathbf{110}}\text{ (р.)}\)
Ответ: тетрадь по математике стоит \(\textcolor{#e03131}{\mathbf{60}}\) р., по русскому языку — \(\textcolor{#e03131}{\mathbf{110}}\) р.

\[\begin{aligned} 38 \mathbin{\hspace{0.72em}\mathclap{\vcenter{\Large\bigcirc}}\mathclap{\textcolor{#e03131}{\pmb{\boldsymbol{+}}}}\hspace{0.72em}} 0 &= 38 & \qquad 0 \mathbin{\hspace{0.72em}\mathclap{\vcenter{\Large\bigcirc}}\mathclap{\textcolor{#e03131}{\pmb{\boldsymbol{\cdot}}}}\hspace{0.72em}} 15 &= 0 \\ 17 \mathbin{\hspace{0.72em}\mathclap{\vcenter{\Large\bigcirc}}\mathclap{\textcolor{#e03131}{\pmb{\boldsymbol{\cdot}}}}\hspace{0.72em}} 1 &= 17 & \qquad 23 \mathbin{\hspace{0.72em}\mathclap{\vcenter{\Large\bigcirc}}\mathclap{\textcolor{#e03131}{\pmb{\boldsymbol{-}}}}\hspace{0.72em}} 23 &= 0 \end{aligned}\] \(\textcolor{#808080}{\text{Подходят и }{38 - 0 = 38}\text{,}}\) \(\textcolor{#808080}{{0 : 15 = 0}\text{, }{17 : 1 = 17}\text{.}}\)