Страница 69, ГДЗ по математике за 4 класс к самостоятельным и контрольным работам Лопатковой
Умножение и деление на двузначное и трёхзначное число. Самостоятельная работа № 25. Вариант 2
\(1)\ 1\,062 : 3 = \textcolor{#e03131}{\mathbf{354}}\text{ (кг)}\)
\(2)\ 1\,062 + 354 = \textcolor{#e03131}{\mathbf{1\,416}}\text{ (кг)}\)
\(3)\ 1\,416 : 3 = \textcolor{#e03131}{\mathbf{472}}\text{ (кг)}\)
\(4)\ 472 : 8 = \textcolor{#e03131}{\mathbf{59}}\text{ (я.)}\)
Ответ: \(\textcolor{#e03131}{\mathbf{59}}\) ящиков.
\[\begin{array}{l|l} \mathllap{\smash{\raisebox{-0.5em}{$-$}}\,}\overset{\mathclap{\textcolor{#1c7ed6}{\overgroup{\hphantom{\textstyle 600}}}}}{600}60 & \underline{\,308\,} \\ \underline{308}\phantom{00} & \overset{\textcolor{#1c7ed6}{\bullet}}{\textcolor{#e03131}{\mathbf{1}\kern-0.075em}}\overset{\textcolor{#1c7ed6}{\bullet}}{\textcolor{#e03131}{\mathbf{9}\kern-0.075em}}\overset{\textcolor{#1c7ed6}{\bullet}}{\textcolor{#e03131}{\mathbf{5}\kern-0.075em}} \\ \mathllap{\smash{\raisebox{-0.5em}{$-$}}\,}2926\phantom{0} & \\ \underline{2772}\phantom{0} & \\ \phantom{0}\mathllap{\smash{\raisebox{-0.5em}{$-$}}\,}1540 & \\ \phantom{0}\underline{1540} & \\ \phantom{0000}0 & \end{array} \qquad \begin{array}{l} \begin{array}{l|l} \mathllap{\smash{\raisebox{-0.5em}{$-$}}\,}\overset{\mathclap{\textcolor{#1c7ed6}{\overgroup{\hphantom{\textstyle 2610}}}}}{2610}2 & \underline{\,421\,} \\ \underline{2526}\phantom{0} & \overset{\textcolor{#1c7ed6}{\bullet}}{\textcolor{#e03131}{\mathbf{6}\kern-0.075em}}\overset{\textcolor{#1c7ed6}{\bullet}}{\textcolor{#e03131}{\mathbf{2}\kern-0.075em}} \\ \phantom{00}\mathllap{\smash{\raisebox{-0.5em}{$-$}}\,}842 & \\ \phantom{00}\underline{842} & \\ \phantom{0000}0 & \end{array} \\ \vphantom{\underline{0}} \\ \vphantom{\underline{0}} \end{array}\]
\[\begin{aligned} x \cdot 14 &= 854 & \qquad x : 486 &= 270 \\ x &= 854 : 14 & \qquad x &= 270 \cdot 486 \\ x &= \textcolor{#e03131}{\mathbf{61}} & \qquad x &= \textcolor{#e03131}{\mathbf{131\,220}} \end{aligned}\] \[\begin{array}{l|l} \mathllap{\smash{\raisebox{-0.5em}{$-$}}\,}\overset{\mathclap{\textcolor{#1c7ed6}{\frown}}}{85}4 & \underline{\,14\,} \\ \underline{84}\phantom{0} & \overset{\textcolor{#1c7ed6}{\bullet}}{\textcolor{#e03131}{\mathbf{6}\kern-0.075em}}\overset{\textcolor{#1c7ed6}{\bullet}}{\textcolor{#e03131}{\mathbf{1}\kern-0.075em}} \\ \phantom{0}\mathllap{\smash{\raisebox{-0.5em}{$-$}}\,}14 & \\ \phantom{0}\underline{14} & \\ \phantom{00}0 & \end{array} \qquad \begin{array}{cr} & \vphantom{\overset{\bullet}{0}}486\phantom{0} \\ \smash{\raisebox{0.62em}{$\times$}} & \vphantom{\overset{\bullet}{0}}270 \\ \hline & 3402\phantom{0} \\ \smash{\raisebox{0.62em}{$+$}} & 972\phantom{00} \\ \hline & \textcolor{#e03131}{\mathbf{1}\kern-0.075em\mathbf{3}\kern-0.075em\mathbf{1}\kern-0.075em\mathbf{2}\kern-0.075em\mathbf{2}\kern-0.075em\mathbf{0}\kern-0.075em} \end{array}\]
\(1)\ 800 : 20 = \textcolor{#e03131}{\mathbf{40}}\text{ (м)}\)
\(2)\ 40 - 20 = \textcolor{#e03131}{\mathbf{20}}\text{ (м)}\)
Ответ: на \(\textcolor{#e03131}{\mathbf{20}}\) м.