Часть 1 страница 9, ГДЗ по математике за 4 класс к рабочей тетради Дорофеева
Числа от 100 до 1 000 (Повторение)
\[\begin{aligned} 280\text{ см} &= \boxed{\smash[b]{\underset{\hspace{1em}}{\textcolor{#e03131}{\mathbf{2}}}}}\text{ м }\boxed{\smash[b]{\underset{\hspace{1em}}{\textcolor{#e03131}{\mathbf{8}}}}}\text{ дм} & \qquad 4\text{ ч }50\text{ мин} &= \boxed{\smash[b]{\underset{\hspace{2em}}{\textcolor{#e03131}{\mathbf{290}}}}}\text{ мин} \\ 705\text{ дм} &= \boxed{\smash[b]{\underset{\hspace{1.5em}}{\textcolor{#e03131}{\mathbf{70}}}}}\text{ м }\boxed{\smash[b]{\underset{\hspace{1em}}{\textcolor{#e03131}{\mathbf{5}}}}}\text{ дм} & \qquad 3\text{ м }60\text{ см} &= \boxed{\smash[b]{\underset{\hspace{1.5em}}{\textcolor{#e03131}{\mathbf{36}}}}}\text{ дм} \end{aligned}\]
Прямые углы: \({\underline{\kern0.4em\textcolor{#e03131}{\boldsymbol{DON,\ FED}}\kern0.4em}\text{.}}\)
\(\textcolor{#808080}{\text{Буквой }{D}\text{ на}}\) \(\textcolor{#808080}{\text{чертеже обозначены две}}\) \(\textcolor{#808080}{\text{разные точки.}}\)
\[\begin{aligned} 23 \cdot 4 + 108 &= \boxed{\smash[b]{\underset{\hspace{2em}}{\textcolor{#e03131}{\mathbf{200}}}}}\text{ У} & \qquad 540 : (201 - 199) &= \boxed{\smash[b]{\underset{\hspace{2em}}{\textcolor{#e03131}{\mathbf{270}}}}}\text{ Ш} \\ (728 - 568) : 8 &= \boxed{\smash[b]{\underset{\hspace{1.5em}}{\textcolor{#e03131}{\mathbf{20}}}}}\text{ О} & \qquad 900 - (324 + 176) &= \boxed{\smash[b]{\underset{\hspace{2em}}{\textcolor{#e03131}{\mathbf{400}}}}}\text{ К} \\ 100 : 2 : 25 &= \boxed{\smash[b]{\underset{\hspace{1em}}{\textcolor{#e03131}{\mathbf{2}}}}}\text{ П} & \qquad (139 + 61) \cdot 4 &= \boxed{\smash[b]{\underset{\hspace{2em}}{\textcolor{#e03131}{\mathbf{800}}}}}\text{ А} \\ 850 : (60 : 12) &= \boxed{\smash[b]{\underset{\hspace{2em}}{\textcolor{#e03131}{\mathbf{170}}}}}\text{ Л} \end{aligned}\] \[\begin{array}{|c|c|c|c|c|c|c|} \hline \textcolor{#e03131}{\mathbf{2}} & \textcolor{#e03131}{\mathbf{20}} & \textcolor{#e03131}{\mathbf{170}} & \textcolor{#e03131}{\mathbf{200}} & \textcolor{#e03131}{\mathbf{270}} & \textcolor{#e03131}{\mathbf{400}} & \textcolor{#e03131}{\mathbf{800}} \\ \hline \textcolor{#e03131}{\textbf{П}} & \textcolor{#e03131}{\textbf{О}} & \textcolor{#e03131}{\textbf{Л}} & \textcolor{#e03131}{\textbf{У}} & \textcolor{#e03131}{\textbf{Ш}} & \textcolor{#e03131}{\textbf{К}} & \textcolor{#e03131}{\textbf{А}} \\ \hline \end{array}\]
\[\begin{aligned} \overset{\textcolor{#808080}{\scriptstyle 206\text{ см}}}{20\text{ дм }6\text{ см}} &\mathrel{\hspace{0.72em}\mathclap{\vcenter{\Large\bigcirc}}\mathclap{\textcolor{#e03131}{\pmb{\boldsymbol{<}}}}\hspace{0.72em}} 260\text{ см} & \qquad \overset{\textcolor{#808080}{\scriptstyle 206\text{ см}}}{2\text{ м }6\text{ см}} &\mathrel{\hspace{0.72em}\mathclap{\vcenter{\Large\bigcirc}}\mathclap{\textcolor{#e03131}{\pmb{\boldsymbol{=}}}}\hspace{0.72em}} 206\text{ см} \\ 260\text{ дм} &\mathrel{\hspace{0.72em}\mathclap{\vcenter{\Large\bigcirc}}\mathclap{\textcolor{#e03131}{\pmb{\boldsymbol{>}}}}\hspace{0.72em}} \overset{\textcolor{#808080}{\scriptstyle 26\text{ дм}}}{2\text{ м }60\text{ см}} & \qquad \overset{\textcolor{#808080}{\scriptstyle 206\text{ дм}}}{20\text{ м }6\text{ дм}} &\mathrel{\hspace{0.72em}\mathclap{\vcenter{\Large\bigcirc}}\mathclap{\textcolor{#e03131}{\pmb{\boldsymbol{>}}}}\hspace{0.72em}} 26\text{ дм} \end{aligned}\]
