Страница 46, ГДЗ по математике за 4 класс к тренажёру Конновой

\[\overset{\textcolor{#808080}{\scriptstyle 1\,200\text{ г}}}{1\text{ кг }200\text{ г}} + \overset{\textcolor{#808080}{\scriptstyle 2\,300\text{ г}}}{2\text{ кг }300\text{ г}} = \boxed{\smash[b]{\underset{\hspace{7em}}{\textcolor{#e03131}{\mathbf{3}}\text{ кг }\textcolor{#e03131}{\mathbf{500}}\text{ г}}}}\] \[\begin{array}{cr} & \vphantom{\overset{\bullet}{0}}1200 \\ \smash{\raisebox{0.62em}{$+$}} & 2300 \\ \hline & \textcolor{#e03131}{\mathbf{3}\kern-0.075em\mathbf{5}\kern-0.075em\mathbf{0}\kern-0.075em\mathbf{0}\kern-0.075em} \end{array}\] \[\overset{\textcolor{#808080}{\scriptstyle 77\text{ дм}}}{7\text{ м }7\text{ дм}} \overset{\kern0.25em\textcolor{#808080}{\scriptstyle 64\text{ дм}}\kern0.25em}{-} \overset{\textcolor{#808080}{\scriptstyle 13\text{ дм}}}{1\text{ м }3\text{ дм}} = \boxed{\smash[b]{\underset{\hspace{7em}}{\textcolor{#e03131}{\mathbf{6}}\text{ м }\textcolor{#e03131}{\mathbf{4}}\text{ дм}}}}\] \[\overset{\textcolor{#808080}{\scriptstyle 33\text{ см}}}{3\text{ дм }3\text{ см}} \overset{\kern0.25em\textcolor{#808080}{\scriptstyle 68\text{ см}}\kern0.25em}{+} 35\text{ см} = \boxed{\smash[b]{\underset{\hspace{7em}}{\textcolor{#e03131}{\mathbf{6}}\text{ дм }\textcolor{#e03131}{\mathbf{8}}\text{ см}}}}\] \[\overset{\textcolor{#808080}{\scriptstyle 15\,300\text{ кг}}}{15\text{ т }300\text{ кг}} \cdot 3 = \boxed{\smash[b]{\underset{\hspace{7em}}{\textcolor{#e03131}{\mathbf{45}}\text{ т }\textcolor{#e03131}{\mathbf{900}}\text{ кг}}}}\] \[\begin{array}{cr} & \vphantom{\overset{\bullet}{0}}15300 \\ \smash{\raisebox{0.62em}{$\times$}} & 3\phantom{00} \\ \hline & \textcolor{#e03131}{\mathbf{4}\kern-0.075em\mathbf{5}\kern-0.075em\mathbf{9}\kern-0.075em\mathbf{0}\kern-0.075em\mathbf{0}\kern-0.075em} \end{array}\] \[\overset{\textcolor{#808080}{\scriptstyle 4\,100\text{ г}}}{4\text{ кг }100\text{ г}} : 4 = \boxed{\smash[b]{\underset{\hspace{7em}}{\textcolor{#e03131}{\mathbf{1}}\text{ кг }\textcolor{#e03131}{\mathbf{25}}\text{ г}}}}\] \[\begin{array}{l|l} \mathllap{\smash{\raisebox{-0.5em}{$-$}}\,}\overset{\mathclap{\textcolor{#1c7ed6}{\frown}}}{4}100 & \underline{\,4\phantom{000}\,} \\ \underline{4}\phantom{000} & \overset{\textcolor{#1c7ed6}{\bullet}}{\textcolor{#e03131}{\mathbf{1}\kern-0.075em}}\overset{\textcolor{#1c7ed6}{\bullet}}{\textcolor{#e03131}{\mathbf{0}\kern-0.075em}}\overset{\textcolor{#1c7ed6}{\bullet}}{\textcolor{#e03131}{\mathbf{2}\kern-0.075em}}\overset{\textcolor{#1c7ed6}{\bullet}}{\textcolor{#e03131}{\mathbf{5}\kern-0.075em}} \\ \phantom{0}\mathllap{\smash{\raisebox{-0.5em}{$-$}}\,}10\phantom{0} & \\ \phantom{00}\underline{8}\phantom{0} & \\ \phantom{00}\mathllap{\smash{\raisebox{-0.5em}{$-$}}\,}20 & \\ \phantom{00}\underline{20} & \\ \phantom{000}0 & \end{array}\] \[\overset{\textcolor{#808080}{\scriptstyle 110\text{ см}}}{1\text{ м }10\text{ см}} \overset{\kern0.25em\textcolor{#808080}{\scriptstyle 200\text{ см}}\kern0.25em}{+} 90\text{ см} = \boxed{\smash[b]{\underset{\hspace{7em}}{\textcolor{#e03131}{\mathbf{2}}\text{ м}}}}\]