Часть 2 страница 33, ГДЗ по математике за 4 класс к рабочей тетради Дорофеева

\[\begin{aligned} & \hspace{1.244em}\mathclap{\vcenter{\Huge\bigcirc}}\mathclap{\small 800}\hspace{1.244em} \xrightarrow{:\,8} \hspace{1.244em}\mathclap{\vcenter{\Huge\bigcirc}}\mathclap{\small \textcolor{#e03131}{\mathbf{100}}}\hspace{1.244em} \xrightarrow{:\,10} \hspace{1.244em}\mathclap{\vcenter{\Huge\bigcirc}}\mathclap{\textcolor{#e03131}{\mathbf{10}}}\hspace{1.244em} \xrightarrow{+\,950} \hspace{1.244em}\mathclap{\vcenter{\Huge\bigcirc}}\mathclap{\small \textcolor{#e03131}{\mathbf{960}}}\hspace{1.244em} \xrightarrow{\cdot\,1\,000} \textcolor{#272727}{\bigg(\kern-0.35em\overgroup{\undergroup{\textcolor{#272727}{\kern0.15em\rule[-0.61em]{0pt}{1.72em}{\small \textcolor{#e03131}{\mathbf{960\,000}}}\kern0.15em}}}\kern-0.35em\bigg)} \\[0.6em] & \xrightarrow{-\,900\,000} \textcolor{#272727}{\bigg(\kern-0.35em\overgroup{\undergroup{\textcolor{#272727}{\kern0.15em\rule[-0.61em]{0pt}{1.72em}{\small \textcolor{#e03131}{\mathbf{60\,000}}}\kern0.15em}}}\kern-0.35em\bigg)} \xrightarrow{:\,10\,000} \hspace{1.244em}\mathclap{\vcenter{\Huge\bigcirc}}\mathclap{\textcolor{#e03131}{\mathbf{6}}}\hspace{1.244em} \xrightarrow{+\,10} \hspace{1.244em}\mathclap{\vcenter{\Huge\bigcirc}}\mathclap{\textcolor{#e03131}{\mathbf{16}}}\hspace{1.244em} \xrightarrow{\cdot\,50} \hspace{1.244em}\mathclap{\vcenter{\Huge\bigcirc}}\mathclap{\small 800}\hspace{1.244em} \end{aligned}\] \[\begin{aligned} & \hspace{1.244em}\mathclap{\vcenter{\Huge\bigcirc}}\mathclap{\small 800}\hspace{1.244em} \xrightarrow{\cdot\,100} \textcolor{#272727}{\bigg(\kern-0.35em\overgroup{\undergroup{\textcolor{#272727}{\kern0.15em\rule[-0.61em]{0pt}{1.72em}{\small \textcolor{#e03131}{\mathbf{80\,000}}}\kern0.15em}}}\kern-0.35em\bigg)} \xrightarrow{-\,8\,000} \textcolor{#272727}{\bigg(\kern-0.35em\overgroup{\undergroup{\textcolor{#272727}{\kern0.15em\rule[-0.61em]{0pt}{1.72em}{\small \textcolor{#e03131}{\mathbf{72\,000}}}\kern0.15em}}}\kern-0.35em\bigg)} \xrightarrow{:\,180} \hspace{1.244em}\mathclap{\vcenter{\Huge\bigcirc}}\mathclap{\small \textcolor{#e03131}{\mathbf{400}}}\hspace{1.244em} \xrightarrow{:\,5} \hspace{1.244em}\mathclap{\vcenter{\Huge\bigcirc}}\mathclap{\textcolor{#e03131}{\mathbf{80}}}\hspace{1.244em} \\[0.6em] & \xrightarrow{\cdot\,125} \textcolor{#272727}{\bigg(\kern-0.35em\overgroup{\undergroup{\textcolor{#272727}{\kern0.15em\rule[-0.61em]{0pt}{1.72em}{\small \textcolor{#e03131}{\mathbf{10\,000}}}\kern0.15em}}}\kern-0.35em\bigg)} \xrightarrow{:\,40} \hspace{1.244em}\mathclap{\vcenter{\Huge\bigcirc}}\mathclap{\small \textcolor{#e03131}{\mathbf{250}}}\hspace{1.244em} \xrightarrow{\cdot\,3} \hspace{1.244em}\mathclap{\vcenter{\Huge\bigcirc}}\mathclap{\small \textcolor{#e03131}{\mathbf{750}}}\hspace{1.244em} \xrightarrow{+\,50} \hspace{1.244em}\mathclap{\vcenter{\Huge\bigcirc}}\mathclap{\small 800}\hspace{1.244em} \end{aligned}\] \[\textcolor{#272727}{\bigg(\kern-0.35em\overgroup{\undergroup{\textcolor{#272727}{\kern0.15em\rule[-0.61em]{0pt}{1.72em}{\small \textcolor{#e03131}{\mathbf{72\,000}}}\kern0.15em}}}\kern-0.35em\bigg)} \xrightarrow{\cdot\,0} \hspace{1.244em}\mathclap{\vcenter{\Huge\bigcirc}}\mathclap{\textcolor{#e03131}{\mathbf{0}}}\hspace{1.244em} \xrightarrow{+\,10} \hspace{1.244em}\mathclap{\vcenter{\Huge\bigcirc}}\mathclap{\textcolor{#e03131}{\mathbf{10}}}\hspace{1.244em}\] \[\hspace{1.244em}\mathclap{\vcenter{\Huge\bigcirc}}\mathclap{\textcolor{#e03131}{\mathbf{6}}}\hspace{1.244em} \xrightarrow{\cdot\,40} \hspace{1.244em}\mathclap{\vcenter{\Huge\bigcirc}}\mathclap{\small \textcolor{#e03131}{\mathbf{240}}}\hspace{1.244em} \xrightarrow{+\,10} \hspace{1.244em}\mathclap{\vcenter{\Huge\bigcirc}}\mathclap{\small \textcolor{#e03131}{\mathbf{250}}}\hspace{1.244em}\] \[\begin{array}{r} \vphantom{\boxed{\mathbf{0}}}\hspace{1.45em}\hspace{0.725em}\mathclap{2}\hspace{0.725em}\hspace{0.725em}\mathclap{8}\hspace{0.725em}\hspace{0.725em}\mathclap{5}\hspace{0.725em}\hspace{0.725em}\mathclap{7}\hspace{0.725em} \\ \vphantom{\boxed{\mathbf{0}}}\rule[-0.55em]{0pt}{0.55em}\hspace{0.725em}\mathclap{\smash{\raisebox{0.72em}{$\times$}}}\hspace{0.725em}\hspace{1.45em}\hspace{1.45em}\hspace{1.45em}\hspace{0.725em}\mathclap{\boxed{\kern0.035em\textcolor{#e03131}{\mathbf{3}}\kern0.035em}}\hspace{0.725em} \\ \hline \vphantom{\boxed{\mathbf{0}}}\rule{0pt}{1.2em}\hspace{1.45em}\hspace{0.725em}\mathclap{8}\hspace{0.725em}\hspace{0.725em}\mathclap{\boxed{\kern0.035em\textcolor{#e03131}{\mathbf{5}}\kern0.035em}}\hspace{0.725em}\hspace{0.725em}\mathclap{\boxed{\kern0.035em\textcolor{#e03131}{\mathbf{7}}\kern0.035em}}\hspace{0.725em}\hspace{0.725em}\mathclap{\boxed{\kern0.035em\textcolor{#e03131}{\mathbf{1}}\kern0.035em}}\hspace{0.725em} \end{array} \qquad \begin{array}{r} \vphantom{\boxed{\mathbf{0}}}\hspace{1.45em}\hspace{0.725em}\mathclap{3}\hspace{0.725em}\hspace{0.725em}\mathclap{7}\hspace{0.725em}\hspace{0.725em}\mathclap{1}\hspace{0.725em}\hspace{0.725em}\mathclap{6}\hspace{0.725em} \\ \vphantom{\boxed{\mathbf{0}}}\rule[-0.55em]{0pt}{0.55em}\hspace{0.725em}\mathclap{\smash{\raisebox{0.72em}{$\times$}}}\hspace{0.725em}\hspace{1.45em}\hspace{1.45em}\hspace{1.45em}\hspace{0.725em}\mathclap{\boxed{\kern0.035em\textcolor{#e03131}{\mathbf{9}}\kern0.035em}}\hspace{0.725em} \\ \hline \vphantom{\boxed{\mathbf{0}}}\rule{0pt}{1.2em}\hspace{0.725em}\mathclap{3}\hspace{0.725em}\hspace{0.725em}\mathclap{\boxed{\kern0.035em\textcolor{#e03131}{\mathbf{3}}\kern0.035em}}\hspace{0.725em}\hspace{0.725em}\mathclap{\boxed{\kern0.035em\textcolor{#e03131}{\mathbf{4}}\kern0.035em}}\hspace{0.725em}\hspace{0.725em}\mathclap{\boxed{\kern0.035em\textcolor{#e03131}{\mathbf{4}}\kern0.035em}}\hspace{0.725em}\hspace{0.725em}\mathclap{4}\hspace{0.725em} \end{array}\]

\(\textcolor{#808080}{\text{Подходит и такой же узор}}\) \(\textcolor{#808080}{\text{разрезов, повёрнутый}}\) \(\textcolor{#808080}{\text{или отражённый зеркально.}}\)

\(1)\ 2\text{ ч }30\text{ мин};\ \allowbreak 230\text{ мин};\ \allowbreak 23\text{ ч};\ \allowbreak 2\,300\text{ с};\ \allowbreak 600\text{ с}\)
\(\underline{\kern0.4em\vphantom{(}\textcolor{#e03131}{\mathbf{600}}\text{ с};\ }\allowbreak \underline{\vphantom{(}\textcolor{#e03131}{\mathbf{2\,300}}\text{ с};\ }\allowbreak \underline{\vphantom{(}\overset{\textcolor{#808080}{\scriptstyle 9\,000\text{ с}}}{\textcolor{#e03131}{\mathbf{2}}\text{ ч }\textcolor{#e03131}{\mathbf{30}}\text{ мин}};\ }\allowbreak \underline{\vphantom{(}\overset{\textcolor{#808080}{\scriptstyle 13\,800\text{ с}}}{\textcolor{#e03131}{\mathbf{230}}\text{ мин}};\ }\allowbreak \underline{\vphantom{(}\overset{\textcolor{#808080}{\scriptstyle 82\,800\text{ с}}}{\textcolor{#e03131}{\mathbf{23}}\text{ ч}}\kern0.4em}\)
\(2)\ 16\text{ ч};\ \allowbreak 600\text{ мин};\ \allowbreak 160\text{ мин};\ \allowbreak 10\text{ ч }59\text{ с};\ \allowbreak 1\,200\text{ с}\)
\(\underline{\kern0.4em\vphantom{(}\textcolor{#e03131}{\mathbf{1\,200}}\text{ с};\ }\allowbreak \underline{\vphantom{(}\overset{\textcolor{#808080}{\scriptstyle 9\,600\text{ с}}}{\textcolor{#e03131}{\mathbf{160}}\text{ мин}};\ }\allowbreak \underline{\vphantom{(}\overset{\textcolor{#808080}{\scriptstyle 36\,000\text{ с}}}{\textcolor{#e03131}{\mathbf{600}}\text{ мин}};\ }\allowbreak \underline{\vphantom{(}\overset{\textcolor{#808080}{\scriptstyle 36\,059\text{ с}}}{\textcolor{#e03131}{\mathbf{10}}\text{ ч }\textcolor{#e03131}{\mathbf{59}}\text{ с}};\ }\allowbreak \underline{\vphantom{(}\overset{\textcolor{#808080}{\scriptstyle 57\,600\text{ с}}}{\textcolor{#e03131}{\mathbf{16}}\text{ ч}}\kern0.4em}\)