Страница 28, ГДЗ по математике за 4 класс к самостоятельным и контрольным работам Лопатковой
Величины. Самостоятельная работа № 9. Вариант 1
\[\begin{aligned} 2\text{ дм} &= 200\ \underline{\kern0.4em\textcolor{#e03131}{\textbf{мм}}\kern0.4em} & \qquad 13\text{ м} &= 1\,300\ \underline{\kern0.4em\textcolor{#e03131}{\textbf{см}}\kern0.4em} \\ 8\,000\ \underline{\kern0.4em\textcolor{#e03131}{\textbf{кг}}\kern0.4em} &= 8\text{ т} & \qquad 1\,800\ \underline{\kern0.4em\textcolor{#e03131}{\textbf{с}}\kern0.4em} &= 30\text{ мин} \end{aligned}\]
\[\begin{aligned} 2\text{ км }823\text{ м} &= \boxed{\smash[b]{\underset{\hspace{4em}}{\textcolor{#e03131}{\mathbf{2\,823}}}}}\text{ м} \\ 30\text{ км }010\text{ м} &= \boxed{\smash[b]{\underset{\hspace{4em}}{\textcolor{#e03131}{\mathbf{30\,010}}}}}\text{ м} \\ 4\,873\text{ кг} &= \boxed{\smash[b]{\underset{\hspace{4em}}{\textcolor{#e03131}{\mathbf{4}}}}}\text{ т }\boxed{\smash[b]{\underset{\hspace{4em}}{\textcolor{#e03131}{\mathbf{873}}}}}\text{ кг} \\ 20\,300\text{ кг} &= \boxed{\smash[b]{\underset{\hspace{4em}}{\textcolor{#e03131}{\mathbf{20}}}}}\text{ т }\boxed{\smash[b]{\underset{\hspace{4em}}{\textcolor{#e03131}{\mathbf{300}}}}}\text{ кг} \\ 1\text{ м }05\text{ см} &= \boxed{\smash[b]{\underset{\hspace{4em}}{\textcolor{#e03131}{\mathbf{105}}}}}\text{ см} \\ 148\text{ мин} &= \boxed{\smash[b]{\underset{\hspace{4em}}{\textcolor{#e03131}{\mathbf{2}}}}}\text{ ч }\boxed{\smash[b]{\underset{\hspace{4em}}{\textcolor{#e03131}{\mathbf{28}}}}}\text{ мин} \end{aligned}\]
\(1)\ 70 + 40 = \textcolor{#e03131}{\mathbf{110}}\text{ (км)}\)
\(2)\ 70 + 110 = \textcolor{#e03131}{\mathbf{180}}\text{ (км)}\)
Ответ: \(\textcolor{#e03131}{\mathbf{180}}\) км.
\[\overset{\textcolor{#808080}{\scriptstyle 24\,505\text{ м}}}{24\text{ км }505\text{ м}} + \overset{\textcolor{#808080}{\scriptstyle 32\,585\text{ м}}}{32\text{ км }585\text{ м}} = \boxed{\smash[b]{\underset{\hspace{4em}}{\textcolor{#e03131}{\mathbf{57}}\text{ км }\textcolor{#e03131}{\mathbf{90}}\text{ м}}}}\] \[\begin{array}{cr} & \vphantom{\overset{\bullet}{0}}2\overset{\textcolor{#1c7ed6}{\bullet}}{\textcolor{#1c7ed6}{4}}5\overset{\textcolor{#1c7ed6}{\bullet}}{\textcolor{#1c7ed6}{0}}5 \\ \smash{\raisebox{0.62em}{$+$}} & 32585 \\ \hline & \textcolor{#e03131}{\mathbf{5}\kern-0.075em\mathbf{7}\kern-0.075em\mathbf{0}\kern-0.075em\mathbf{9}\kern-0.075em\mathbf{0}\kern-0.075em} \end{array}\] \[\overset{\textcolor{#808080}{\scriptstyle 150\text{ мм}}}{15\text{ см}} - \overset{\textcolor{#808080}{\scriptstyle 25\text{ мм}}}{2\text{ см }5\text{ мм}} = \boxed{\smash[b]{\underset{\hspace{4em}}{\textcolor{#e03131}{\mathbf{12}}\text{ см }\textcolor{#e03131}{\mathbf{5}}\text{ мм}}}}\] \[\begin{array}{cr} & \vphantom{\overset{\bullet}{0}}1\overset{\textcolor{#1c7ed6}{\bullet}}{\textcolor{#1c7ed6}{5}}0 \\ \smash{\raisebox{0.62em}{$-$}} & 25 \\ \hline & \textcolor{#e03131}{\mathbf{1}\kern-0.075em\mathbf{2}\kern-0.075em\mathbf{5}\kern-0.075em} \end{array}\] \[\overset{\textcolor{#808080}{\scriptstyle 340\,015\text{ см}}}{3\text{ км }400\text{ м }15\text{ см}} - \overset{\textcolor{#808080}{\scriptstyle 50\,065\text{ см}}}{500\text{ м }65\text{ см}} + \overset{\textcolor{#808080}{\scriptstyle 50\text{ см}}}{5\text{ дм}} = \boxed{\smash[b]{\underset{\hspace{4em}}{\textcolor{#e03131}{\mathbf{2}}\text{ км }\textcolor{#e03131}{\mathbf{900}}\text{ м}}}}\] \[\begin{array}{cr} & \vphantom{\overset{\bullet}{0}}\overset{\textcolor{#1c7ed6}{\bullet}}{\textcolor{#1c7ed6}{3}}\overset{\textcolor{#1c7ed6}{\bullet}}{\textcolor{#1c7ed6}{4}}\overset{\textcolor{#1c7ed6}{\bullet}}{\textcolor{#1c7ed6}{0}}\overset{\textcolor{#1c7ed6}{\bullet}}{\textcolor{#1c7ed6}{0}}15 \\ \smash{\raisebox{0.62em}{$-$}} & 50065 \\ \hline & \textcolor{#e03131}{\mathbf{2}\kern-0.075em\mathbf{8}\kern-0.075em\mathbf{9}\kern-0.075em\mathbf{9}\kern-0.075em\mathbf{5}\kern-0.075em\mathbf{0}\kern-0.075em} \end{array} \qquad \begin{array}{cr} & \vphantom{\overset{\bullet}{0}}2\overset{\textcolor{#1c7ed6}{\bullet}}{\textcolor{#1c7ed6}{8}}\overset{\textcolor{#1c7ed6}{\bullet}}{\textcolor{#1c7ed6}{9}}\overset{\textcolor{#1c7ed6}{\bullet}}{\textcolor{#1c7ed6}{9}}50 \\ \smash{\raisebox{0.62em}{$+$}} & 50 \\ \hline & \textcolor{#e03131}{\mathbf{2}\kern-0.075em\mathbf{9}\kern-0.075em\mathbf{0}\kern-0.075em\mathbf{0}\kern-0.075em\mathbf{0}\kern-0.075em\mathbf{0}\kern-0.075em} \end{array}\]
