Страница 50, ГДЗ по математике за 4 класс к тренажёру Конновой

\[\overset{\textcolor{#808080}{\scriptstyle 6\,090\text{ мм}}}{6\text{ м }9\text{ см}} - \overset{\textcolor{#808080}{\scriptstyle 6\,008\text{ мм}}}{6\text{ м }8\text{ мм}} = \boxed{\smash[b]{\underset{\hspace{7em}}{\textcolor{#e03131}{\mathbf{8}}\text{ см }\textcolor{#e03131}{\mathbf{2}}\text{ мм}}}}\] \[\begin{array}{cr} & \vphantom{\overset{\bullet}{0}}60\overset{\textcolor{#1c7ed6}{\bullet}}{\textcolor{#1c7ed6}{9}}0 \\ \smash{\raisebox{0.62em}{$-$}} & 6008 \\ \hline & \textcolor{#e03131}{\mathbf{8}\kern-0.075em\mathbf{2}\kern-0.075em} \end{array}\] \[\overset{\textcolor{#808080}{\scriptstyle 1\,575\text{ коп.}}}{15\text{ руб. }75\text{ коп.}} : 3 = \boxed{\smash[b]{\underset{\hspace{7em}}{\textcolor{#e03131}{\mathbf{5}}\text{ руб. }\textcolor{#e03131}{\mathbf{25}}\text{ коп.}}}}\] \[\begin{array}{l|l} \mathllap{\smash{\raisebox{-0.5em}{$-$}}\,}\overset{\mathclap{\textcolor{#1c7ed6}{\frown}}}{15}75 & \underline{\,3\phantom{00}\,} \\ \underline{15}\phantom{00} & \overset{\textcolor{#1c7ed6}{\bullet}}{\textcolor{#e03131}{\mathbf{5}\kern-0.075em}}\overset{\textcolor{#1c7ed6}{\bullet}}{\textcolor{#e03131}{\mathbf{2}\kern-0.075em}}\overset{\textcolor{#1c7ed6}{\bullet}}{\textcolor{#e03131}{\mathbf{5}\kern-0.075em}} \\ \phantom{00}\mathllap{\smash{\raisebox{-0.5em}{$-$}}\,}7\phantom{0} & \\ \phantom{00}\underline{6}\phantom{0} & \\ \phantom{00}\mathllap{\smash{\raisebox{-0.5em}{$-$}}\,}15 & \\ \phantom{00}\underline{15} & \\ \phantom{000}0 & \end{array}\] \[\overset{\textcolor{#808080}{\scriptstyle 1\,005\text{ см}^2}}{10\text{ дм}^2\text{ }5\text{ см}^2} : 5 = \boxed{\smash[b]{\underset{\hspace{7em}}{\textcolor{#e03131}{\mathbf{2}}\text{ дм}^2\text{ }\textcolor{#e03131}{\mathbf{1}}\text{ см}^2}}}\] \[\begin{array}{l|l} \mathllap{\smash{\raisebox{-0.5em}{$-$}}\,}\overset{\mathclap{\textcolor{#1c7ed6}{\frown}}}{10}05 & \underline{\,5\phantom{00}\,} \\ \underline{10}\phantom{00} & \overset{\textcolor{#1c7ed6}{\bullet}}{\textcolor{#e03131}{\mathbf{2}\kern-0.075em}}\overset{\textcolor{#1c7ed6}{\bullet}}{\textcolor{#e03131}{\mathbf{0}\kern-0.075em}}\overset{\textcolor{#1c7ed6}{\bullet}}{\textcolor{#e03131}{\mathbf{1}\kern-0.075em}} \\ \phantom{000}\mathllap{\smash{\raisebox{-0.5em}{$-$}}\,}5 & \\ \phantom{000}\underline{5} & \\ \phantom{000}0 & \end{array}\] \[\overset{\textcolor{#808080}{\scriptstyle 1\,005\text{ кг}}}{1\text{ т }005\text{ кг}} + \overset{\textcolor{#808080}{\scriptstyle 2\,530\text{ кг}}}{2\text{ т }530\text{ кг}} = \boxed{\smash[b]{\underset{\hspace{7em}}{\textcolor{#e03131}{\mathbf{3}}\text{ т }\textcolor{#e03131}{\mathbf{535}}\text{ кг}}}}\] \[\begin{array}{cr} & \vphantom{\overset{\bullet}{0}}1005 \\ \smash{\raisebox{0.62em}{$+$}} & 2530 \\ \hline & \textcolor{#e03131}{\mathbf{3}\kern-0.075em\mathbf{5}\kern-0.075em\mathbf{3}\kern-0.075em\mathbf{5}\kern-0.075em} \end{array}\] \[\overset{\textcolor{#808080}{\scriptstyle 330\text{ мин}}}{5\text{ ч }30\text{ мин}} \overset{\kern0.25em\textcolor{#808080}{\scriptstyle 500\text{ мин}}\kern0.25em}{+} \overset{\textcolor{#808080}{\scriptstyle 170\text{ мин}}}{2\text{ ч }50\text{ мин}} = \boxed{\smash[b]{\underset{\hspace{7em}}{\textcolor{#e03131}{\mathbf{8}}\text{ ч }\textcolor{#e03131}{\mathbf{20}}\text{ мин}}}}\] \[5\text{ сут} + \overset{\textcolor{#808080}{\scriptstyle 7\text{ сут}}}{1\text{ неделя}} = \boxed{\smash[b]{\underset{\hspace{7em}}{\textcolor{#e03131}{\mathbf{12}}\text{ сут}}}}\] \[\overset{\textcolor{#808080}{\scriptstyle 200\text{ см}^2}}{2\text{ дм}^2} \overset{\kern0.25em\textcolor{#808080}{\scriptstyle 100\text{ см}^2}\kern0.25em\rule[-0.35em]{0pt}{0.35em}}{-} 100\text{ см}^2 = \boxed{\smash[b]{\underset{\hspace{7em}}{\textcolor{#e03131}{\mathbf{1}}\text{ дм}^2}}}\]