Страница 70, ГДЗ по математике за 4 класс к самостоятельным и контрольным работам Лопатковой
Умножение и деление на двузначное и трёхзначное число. Контрольная работа. Вариант 1
\[\begin{array}{cr} & \vphantom{\overset{\bullet}{0}}548 \\ \smash{\raisebox{0.62em}{$\times$}} & \vphantom{\overset{\bullet}{0}}35 \\ \hline & 2740 \\ \smash{\raisebox{0.62em}{$+$}} & 1644\phantom{0} \\ \hline & \textcolor{#e03131}{\mathbf{1}\kern-0.075em\mathbf{9}\kern-0.075em\mathbf{1}\kern-0.075em\mathbf{8}\kern-0.075em\mathbf{0}\kern-0.075em} \end{array} \qquad \begin{array}{l|l} \mathllap{\smash{\raisebox{-0.5em}{$-$}}\,}\overset{\mathclap{\textcolor{#1c7ed6}{\frown}}}{82}84 & \underline{\,76\phantom{0}\,} \\ \underline{76}\phantom{00} & \overset{\textcolor{#1c7ed6}{\bullet}}{\textcolor{#e03131}{\mathbf{1}\kern-0.075em}}\overset{\textcolor{#1c7ed6}{\bullet}}{\textcolor{#e03131}{\mathbf{0}\kern-0.075em}}\overset{\textcolor{#1c7ed6}{\bullet}}{\textcolor{#e03131}{\mathbf{9}\kern-0.075em}} \\ \phantom{0}\mathllap{\smash{\raisebox{-0.5em}{$-$}}\,}684 & \\ \phantom{0}\underline{684} & \\ \phantom{000}0 & \end{array}\] \[\begin{array}{cr} & \vphantom{\overset{\bullet}{0}}645 \\ \smash{\raisebox{0.62em}{$\times$}} & \vphantom{\overset{\bullet}{0}}856 \\ \hline & 3870 \\ \smash{\raisebox{0.62em}{$+$}} & 3225\phantom{0} \\ & 5160\phantom{00} \\ \hline & \textcolor{#e03131}{\mathbf{5}\kern-0.075em\mathbf{5}\kern-0.075em\mathbf{2}\kern-0.075em\mathbf{1}\kern-0.075em\mathbf{2}\kern-0.075em\mathbf{0}\kern-0.075em} \\ & \vphantom{\underline{0}} \end{array} \qquad \begin{array}{l|l} \mathllap{\smash{\raisebox{-0.5em}{$-$}}\,}\overset{\mathclap{\textcolor{#1c7ed6}{\overgroup{\hphantom{\textstyle 262}}}}}{262}08 & \underline{\,36\phantom{0}\,} \\ \underline{252}\phantom{00} & \overset{\textcolor{#1c7ed6}{\bullet}}{\textcolor{#e03131}{\mathbf{7}\kern-0.075em}}\overset{\textcolor{#1c7ed6}{\bullet}}{\textcolor{#e03131}{\mathbf{2}\kern-0.075em}}\overset{\textcolor{#1c7ed6}{\bullet}}{\textcolor{#e03131}{\mathbf{8}\kern-0.075em}} \\ \phantom{0}\mathllap{\smash{\raisebox{-0.5em}{$-$}}\,}100\phantom{0} & \\ \phantom{00}\underline{72}\phantom{0} & \\ \phantom{00}\mathllap{\smash{\raisebox{-0.5em}{$-$}}\,}288 & \\ \phantom{00}\underline{288} & \\ \phantom{0000}0 & \end{array}\]
\[\begin{aligned} \overset{\textcolor{#808080}{\scriptstyle 1\,228\text{ см}}}{12\text{ м }28\text{ см}} &\mathrel{\hspace{0.72em}\mathclap{\vcenter{\Large\bigcirc}}\mathclap{\textcolor{#e03131}{\pmb{\boldsymbol{>}}}}\hspace{0.72em}} 128\text{ см} & \qquad \overset{\textcolor{#808080}{\scriptstyle 272\text{ мин}}}{4\text{ ч }32\text{ мин}} &\mathrel{\hspace{0.72em}\mathclap{\vcenter{\Large\bigcirc}}\mathclap{\textcolor{#e03131}{\pmb{\boldsymbol{<}}}}\hspace{0.72em}} 432\text{ мин} \\ \overset{\textcolor{#808080}{\scriptstyle 30\,548\text{ м}}}{30\text{ км }548\text{ м}} &\mathrel{\hspace{0.72em}\mathclap{\vcenter{\Large\bigcirc}}\mathclap{\textcolor{#e03131}{\pmb{\boldsymbol{=}}}}\hspace{0.72em}} 30\,548\text{ м} & \qquad \overset{\textcolor{#808080}{\scriptstyle 8\,402\text{ кг}}}{8\text{ т }4\text{ ц }2\text{ кг}} &\mathrel{\hspace{0.72em}\mathclap{\vcenter{\Large\bigcirc}}\mathclap{\textcolor{#e03131}{\pmb{\boldsymbol{>}}}}\hspace{0.72em}} 842\text{ кг} \end{aligned}\]
\[\begin{aligned} x \cdot 42 &= 3\,150 & \qquad y : 324 &= 53 \\ x &= 3\,150 : 42 & \qquad y &= 53 \cdot 324 \\ x &= \textcolor{#e03131}{\mathbf{75}} & \qquad y &= \textcolor{#e03131}{\mathbf{17\,172}} \end{aligned}\] \[\begin{array}{l|l} \mathllap{\smash{\raisebox{-0.5em}{$-$}}\,}\overset{\mathclap{\textcolor{#1c7ed6}{\overgroup{\hphantom{\textstyle 315}}}}}{315}0 & \underline{\,42\,} \\ \underline{294}\phantom{0} & \overset{\textcolor{#1c7ed6}{\bullet}}{\textcolor{#e03131}{\mathbf{7}\kern-0.075em}}\overset{\textcolor{#1c7ed6}{\bullet}}{\textcolor{#e03131}{\mathbf{5}\kern-0.075em}} \\ \phantom{0}\mathllap{\smash{\raisebox{-0.5em}{$-$}}\,}210 & \\ \phantom{0}\underline{210} & \\ \phantom{000}0 & \end{array} \qquad \begin{array}{cr} & \vphantom{\overset{\bullet}{0}}324 \\ \smash{\raisebox{0.62em}{$\times$}} & \vphantom{\overset{\bullet}{0}}53 \\ \hline & 972 \\ \smash{\raisebox{0.62em}{$+$}} & 1620\phantom{0} \\ \hline & \textcolor{#e03131}{\mathbf{1}\kern-0.075em\mathbf{7}\kern-0.075em\mathbf{1}\kern-0.075em\mathbf{7}\kern-0.075em\mathbf{2}\kern-0.075em} \end{array}\]
\(1)\ 3\,888 : 3 = \textcolor{#e03131}{\mathbf{1\,296}}\text{ (кг)}\)
\(2)\ 1\,296 + 672 = \textcolor{#e03131}{\mathbf{1\,968}}\text{ (кг)}\)
\(3)\ 1\,296 + 1\,968 = \textcolor{#e03131}{\mathbf{3\,264}}\text{ (кг)}\)
\(4)\ 3\,888 - 3\,264 = \textcolor{#e03131}{\mathbf{624}}\text{ (кг)}\)
Ответ: \(\textcolor{#e03131}{\mathbf{624}}\) кг.
\[\boxed{\kern0.035em\textcolor{#e03131}{\mathbf{1}}\kern0.035em}\mathpunct{\textcolor{#e03131}{\mathbf{,}}}\ \boxed{\kern0.035em\textcolor{#e03131}{\mathbf{2}}\kern0.035em}\mathpunct{\textcolor{#e03131}{\mathbf{,}}}\ \boxed{\kern0.035em\textcolor{#e03131}{\mathbf{3}}\kern0.035em}\mathpunct{\textcolor{#e03131}{\mathbf{,}}}\ \boxed{\kern0.035em\textcolor{#e03131}{\mathbf{4}}\kern0.035em}\] \(\textcolor{#808080}{\text{Подходят и числа}}\) \(\textcolor{#808080}{\text{0 и 5.}}\)
