Часть 1 страница 70, ГДЗ по математике за 4 класс к рабочей тетради Дорофеева
Цилиндр
Треугольник: \(90,\ 60,\ 90\) — \(\rule{0pt}{1.23em}\boxed{\smash[b]{\underset{\hspace{1.5em}}{\textcolor{#e03131}{\mathbf{80}}}}}\)
\(\textcolor{#808080}{{(90 + 60 + 90) : 3}}\) \(\textcolor{#808080}{{= 80}}\)
Квадрат: \(35,\ 80,\ 69,\ 20\) — \(\rule{0pt}{1.23em}\boxed{\smash[b]{\underset{\hspace{1.5em}}{\textcolor{#e03131}{\mathbf{51}}}}}\)
\(\textcolor{#808080}{{(35 + 80 + 69 + 20) : 4}}\) \(\textcolor{#808080}{{= 51}}\)
Пятиугольник: \(150,\ 100,\ 200,\ 50,\ 250\) — \(\rule{0pt}{1.23em}\boxed{\smash[b]{\underset{\hspace{2em}}{\textcolor{#e03131}{\mathbf{150}}}}}\)
\(\textcolor{#808080}{{(150 + 100 + 200 + 50 + 250) : 5}}\) \(\textcolor{#808080}{{= 150}}\)
\[{\def\arraystretch{1.4}\begin{array}{lccccc} \boxed{26 \cdot 10 - 26} & 260 & 286 & 266 & 240 & \hspace{1.25em}\mathclap{\vcenter{\textcolor{#e03131}{\Huge\bigcirc}}}\mathclap{234}\hspace{1.25em} \\[8pt] \boxed{32 \cdot 19 + 32} & 320 & \hspace{1.25em}\mathclap{\vcenter{\textcolor{#e03131}{\Huge\bigcirc}}}\mathclap{640}\hspace{1.25em} & 332 & 300 & 608 \\[8pt] \boxed{70 \cdot 12 + 12} & 840 & \hspace{1.25em}\mathclap{\vcenter{\textcolor{#e03131}{\Huge\bigcirc}}}\mathclap{852}\hspace{1.25em} & 920 & 850 & 712 \\[8pt] \boxed{35 \cdot 18 - 35 \cdot 8} & 300 & 630 & \hspace{1.25em}\mathclap{\vcenter{\textcolor{#e03131}{\Huge\bigcirc}}}\mathclap{350}\hspace{1.25em} & 600 & 450 \end{array}}\]
\[\begin{array}{r} \text{Е} \\ \begin{array}{cr} & \vphantom{\overset{\bullet}{0}}6\overset{\textcolor{#1c7ed6}{\bullet}}{\textcolor{#1c7ed6}{1}}4 \\ \smash{\raisebox{0.62em}{$-$}} & 405 \\ \hline & \textcolor{#e03131}{\mathbf{2}\kern-0.075em\mathbf{0}\kern-0.075em\mathbf{9}\kern-0.075em} \end{array} \end{array} \qquad \begin{array}{r} \text{А} \\ \begin{array}{cr} & \vphantom{\overset{\bullet}{0}}\overset{\textcolor{#1c7ed6}{\bullet}}{\textcolor{#1c7ed6}{3}}\overset{\textcolor{#1c7ed6}{\bullet}}{\textcolor{#1c7ed6}{7}}6 \\ \smash{\raisebox{0.62em}{$+$}} & 425 \\ \hline & \textcolor{#e03131}{\mathbf{8}\kern-0.075em\mathbf{0}\kern-0.075em\mathbf{1}\kern-0.075em} \end{array} \end{array} \qquad \begin{array}{r} \text{О} \\ \begin{array}{cr} & \vphantom{\overset{\bullet}{0}}\overset{\textcolor{#1c7ed6}{\bullet}}{\textcolor{#1c7ed6}{3}}\overset{\textcolor{#1c7ed6}{\bullet}}{\textcolor{#1c7ed6}{5}}2 \\ \smash{\raisebox{0.62em}{$-$}} & 268 \\ \hline & \textcolor{#e03131}{\mathbf{8}\kern-0.075em\mathbf{4}\kern-0.075em} \end{array} \end{array}\] \[\begin{array}{r} \text{Г} \\ \begin{array}{cr} & \vphantom{\overset{\bullet}{0}}\overset{\textcolor{#1c7ed6}{\bullet}}{\textcolor{#1c7ed6}{1}}\overset{\textcolor{#1c7ed6}{\bullet}}{\textcolor{#1c7ed6}{5}}8 \\ \smash{\raisebox{0.62em}{$+$}} & 742 \\ \hline & \textcolor{#e03131}{\mathbf{9}\kern-0.075em\mathbf{0}\kern-0.075em\mathbf{0}\kern-0.075em} \end{array} \end{array} \qquad \begin{array}{r} \text{М} \\ \begin{array}{cr} & \vphantom{\overset{\bullet}{0}}5\overset{\textcolor{#1c7ed6}{\bullet}}{\textcolor{#1c7ed6}{3}}0 \\ \smash{\raisebox{0.62em}{$-$}} & 217 \\ \hline & \textcolor{#e03131}{\mathbf{3}\kern-0.075em\mathbf{1}\kern-0.075em\mathbf{3}\kern-0.075em} \end{array} \end{array}\] \[\begin{array}{|c|c|c|c|c|} \hline 84 & 313 & 209 & 900 & 801 \\ \hline \textcolor{#e03131}{\textbf{О}} & \textcolor{#e03131}{\textbf{М}} & \textcolor{#e03131}{\textbf{Е}} & \textcolor{#e03131}{\textbf{Г}} & \textcolor{#e03131}{\textbf{А}} \\ \hline \end{array}\]