Часть 1 страница 49, ГДЗ по математике за 4 класс к рабочей тетради Дорофеева

\[\begin{aligned} \textcolor{#e03131}{\underline{\textcolor{#272727}{518}}} + 30 + \textcolor{#e03131}{\underline{\textcolor{#272727}{92}}} &= \boxed{\smash[b]{\underset{\hspace{2em}}{\textcolor{#e03131}{\mathbf{640}}}}} & \quad \textcolor{#e03131}{\underline{\textcolor{#272727}{126}}} + \textcolor{#e03131}{\underline{\underline{\textcolor{#272727}{315}}}} + \textcolor{#e03131}{\underline{\underline{\textcolor{#272727}{85}}}} + 200 + \textcolor{#e03131}{\underline{\textcolor{#272727}{174}}} &= \boxed{\smash[b]{\underset{\hspace{2em}}{\textcolor{#e03131}{\mathbf{900}}}}} \\ \textcolor{#e03131}{\underline{\textcolor{#272727}{309}}} + 79 + \textcolor{#e03131}{\underline{\textcolor{#272727}{191}}} &= \boxed{\smash[b]{\underset{\hspace{2em}}{\textcolor{#e03131}{\mathbf{579}}}}} & \quad \textcolor{#e03131}{\underline{\textcolor{#272727}{447}}} + \textcolor{#e03131}{\underline{\underline{\textcolor{#272727}{224}}}} + \textcolor{#e03131}{\underline{\underline{\textcolor{#272727}{76}}}} + 35 + \textcolor{#e03131}{\underline{\textcolor{#272727}{153}}} &= \boxed{\smash[b]{\underset{\hspace{2em}}{\textcolor{#e03131}{\mathbf{935}}}}} \end{aligned}\]

Проведи в этой окружности диаметр и измерь его длину.
Диаметр — \({\rule{0pt}{1.23em}\boxed{\smash[b]{\underset{\hspace{1em}}{\textcolor{#e03131}{\mathbf{6}}}}}\text{ см}\text{.}}\)

\[\begin{aligned} 320 - \boxed{\smash[b]{\underset{\hspace{1em}}{\textcolor{#e03131}{\mathbf{1}}}}} &= 319 & \qquad 675 - \boxed{\smash[b]{\underset{\hspace{1em}}{\textcolor{#e03131}{\mathbf{0}}}}} &= 675 & \qquad 150 \cdot \boxed{\smash[b]{\underset{\hspace{1em}}{\textcolor{#e03131}{\mathbf{1}}}}} &= 150 \\ 907 - \boxed{\smash[b]{\underset{\hspace{2em}}{\textcolor{#e03131}{\mathbf{907}}}}} &= 0 & \qquad 283 \cdot \boxed{\smash[b]{\underset{\hspace{1em}}{\textcolor{#e03131}{\mathbf{0}}}}} &= 0 & \qquad 0 + \boxed{\smash[b]{\underset{\hspace{2em}}{\textcolor{#e03131}{\mathbf{490}}}}} &= 490 \\ \boxed{\smash[b]{\underset{\hspace{2em}}{\textcolor{#e03131}{\mathbf{421}}}}} - 0 &= 421 & \qquad 1 \cdot \boxed{\smash[b]{\underset{\hspace{2em}}{\textcolor{#e03131}{\mathbf{800}}}}} &= 800 & \qquad 1 + \boxed{\smash[b]{\underset{\hspace{2em}}{\textcolor{#e03131}{\mathbf{525}}}}} &= 526 \end{aligned}\]

\[\begin{aligned} \overset{\textcolor{#808080}{\scriptstyle 316\text{ см}}}{3\text{ м }16\text{ см}} &\mathrel{\hspace{0.72em}\mathclap{\vcenter{\Large\bigcirc}}\mathclap{\textcolor{#e03131}{\pmb{\boldsymbol{>}}}}\hspace{0.72em}} \overset{\textcolor{#808080}{\scriptstyle 306\text{ см}}}{30\text{ дм }6\text{ см}} & \qquad 98\text{ мин} &\mathrel{\hspace{0.72em}\mathclap{\vcenter{\Large\bigcirc}}\mathclap{\textcolor{#e03131}{\pmb{\boldsymbol{>}}}}\hspace{0.72em}} \overset{\textcolor{#808080}{\scriptstyle 88\text{ мин}}}{1\text{ ч }28\text{ мин}} \\ \overset{\textcolor{#808080}{\scriptstyle 1\,000\text{ м}}}{1\text{ км}} &\mathrel{\hspace{0.72em}\mathclap{\vcenter{\Large\bigcirc}}\mathclap{\textcolor{#e03131}{\pmb{\boldsymbol{>}}}}\hspace{0.72em}} \overset{\textcolor{#808080}{\scriptstyle 100\text{ м}}}{1\,000\text{ дм}} & \qquad \overset{\textcolor{#808080}{\scriptstyle 947\text{ см}}}{94\text{ дм }7\text{ см}} &\mathrel{\hspace{0.72em}\mathclap{\vcenter{\Large\bigcirc}}\mathclap{\textcolor{#e03131}{\pmb{\boldsymbol{=}}}}\hspace{0.72em}} 947\text{ см} \\ \overset{\textcolor{#808080}{\scriptstyle 123\text{ мин}}}{2\text{ ч }3\text{ мин}} &\mathrel{\hspace{0.72em}\mathclap{\vcenter{\Large\bigcirc}}\mathclap{\textcolor{#e03131}{\pmb{\boldsymbol{<}}}}\hspace{0.72em}} 203\text{ мин} & \qquad \overset{\textcolor{#808080}{\scriptstyle 1\,000\text{ г}}}{1\text{ кг}} &\mathrel{\hspace{0.72em}\mathclap{\vcenter{\Large\bigcirc}}\mathclap{\textcolor{#e03131}{\pmb{\boldsymbol{>}}}}\hspace{0.72em}} 100\text{ г} \end{aligned}\]

\[\begin{array}{c} \text{МЕДТРИА} \\ \boxed{\rule[-0.25em]{0pt}{0.95em}\hspace{0.33em}\mathclap{\textcolor{#e03131}{\textbf{Д}}}\hspace{0.33em}}\hspace{-0.04em}\boxed{\rule[-0.25em]{0pt}{0.95em}\hspace{0.33em}\mathclap{\textcolor{#e03131}{\textbf{И}}}\hspace{0.33em}}\hspace{-0.04em}\boxed{\rule[-0.25em]{0pt}{0.95em}\hspace{0.33em}\mathclap{\textcolor{#e03131}{\textbf{А}}}\hspace{0.33em}}\hspace{-0.04em}\boxed{\rule[-0.25em]{0pt}{0.95em}\hspace{0.33em}\mathclap{\textcolor{#e03131}{\textbf{М}}}\hspace{0.33em}}\hspace{-0.04em}\boxed{\rule[-0.25em]{0pt}{0.95em}\hspace{0.33em}\mathclap{\textcolor{#e03131}{\textbf{Е}}}\hspace{0.33em}}\hspace{-0.04em}\boxed{\rule[-0.25em]{0pt}{0.95em}\hspace{0.33em}\mathclap{\textcolor{#e03131}{\textbf{Т}}}\hspace{0.33em}}\hspace{-0.04em}\boxed{\rule[-0.25em]{0pt}{0.95em}\hspace{0.33em}\mathclap{\textcolor{#e03131}{\textbf{Р}}}\hspace{0.33em}} \end{array} \qquad \begin{array}{c} \text{АУДИРС} \\ \boxed{\rule[-0.25em]{0pt}{0.95em}\hspace{0.33em}\mathclap{\textcolor{#e03131}{\textbf{Р}}}\hspace{0.33em}}\hspace{-0.04em}\boxed{\rule[-0.25em]{0pt}{0.95em}\hspace{0.33em}\mathclap{\textcolor{#e03131}{\textbf{А}}}\hspace{0.33em}}\hspace{-0.04em}\boxed{\rule[-0.25em]{0pt}{0.95em}\hspace{0.33em}\mathclap{\textcolor{#e03131}{\textbf{Д}}}\hspace{0.33em}}\hspace{-0.04em}\boxed{\rule[-0.25em]{0pt}{0.95em}\hspace{0.33em}\mathclap{\textcolor{#e03131}{\textbf{И}}}\hspace{0.33em}}\hspace{-0.04em}\boxed{\rule[-0.25em]{0pt}{0.95em}\hspace{0.33em}\mathclap{\textcolor{#e03131}{\textbf{У}}}\hspace{0.33em}}\hspace{-0.04em}\boxed{\rule[-0.25em]{0pt}{0.95em}\hspace{0.33em}\mathclap{\textcolor{#e03131}{\textbf{С}}}\hspace{0.33em}} \end{array}\] \[\begin{array}{c} \text{ОГДНАИЛЬА} \\ \mathrlap{\textcolor{#e03131}{\rule[0.3em]{11.00em}{0.1em}}}\boxed{\rule[-0.25em]{0pt}{0.95em}\hspace{0.33em}\mathclap{\textcolor{#e03131}{\textbf{Д}}}\hspace{0.33em}}\hspace{-0.04em}\boxed{\rule[-0.25em]{0pt}{0.95em}\hspace{0.33em}\mathclap{\textcolor{#e03131}{\textbf{И}}}\hspace{0.33em}}\hspace{-0.04em}\boxed{\rule[-0.25em]{0pt}{0.95em}\hspace{0.33em}\mathclap{\textcolor{#e03131}{\textbf{А}}}\hspace{0.33em}}\hspace{-0.04em}\boxed{\rule[-0.25em]{0pt}{0.95em}\hspace{0.33em}\mathclap{\textcolor{#e03131}{\textbf{Г}}}\hspace{0.33em}}\hspace{-0.04em}\boxed{\rule[-0.25em]{0pt}{0.95em}\hspace{0.33em}\mathclap{\textcolor{#e03131}{\textbf{О}}}\hspace{0.33em}}\hspace{-0.04em}\boxed{\rule[-0.25em]{0pt}{0.95em}\hspace{0.33em}\mathclap{\textcolor{#e03131}{\textbf{Н}}}\hspace{0.33em}}\hspace{-0.04em}\boxed{\rule[-0.25em]{0pt}{0.95em}\hspace{0.33em}\mathclap{\textcolor{#e03131}{\textbf{А}}}\hspace{0.33em}}\hspace{-0.04em}\boxed{\rule[-0.25em]{0pt}{0.95em}\hspace{0.33em}\mathclap{\textcolor{#e03131}{\textbf{Л}}}\hspace{0.33em}}\hspace{-0.04em}\boxed{\rule[-0.25em]{0pt}{0.95em}\hspace{0.33em}\mathclap{\textcolor{#e03131}{\textbf{Ь}}}\hspace{0.33em}} \end{array} \qquad \begin{array}{c} \text{ЖСУНОКРЬТО} \\ \boxed{\rule[-0.25em]{0pt}{0.95em}\hspace{0.33em}\mathclap{\textcolor{#e03131}{\textbf{О}}}\hspace{0.33em}}\hspace{-0.04em}\boxed{\rule[-0.25em]{0pt}{0.95em}\hspace{0.33em}\mathclap{\textcolor{#e03131}{\textbf{К}}}\hspace{0.33em}}\hspace{-0.04em}\boxed{\rule[-0.25em]{0pt}{0.95em}\hspace{0.33em}\mathclap{\textcolor{#e03131}{\textbf{Р}}}\hspace{0.33em}}\hspace{-0.04em}\boxed{\rule[-0.25em]{0pt}{0.95em}\hspace{0.33em}\mathclap{\textcolor{#e03131}{\textbf{У}}}\hspace{0.33em}}\hspace{-0.04em}\boxed{\rule[-0.25em]{0pt}{0.95em}\hspace{0.33em}\mathclap{\textcolor{#e03131}{\textbf{Ж}}}\hspace{0.33em}}\hspace{-0.04em}\boxed{\rule[-0.25em]{0pt}{0.95em}\hspace{0.33em}\mathclap{\textcolor{#e03131}{\textbf{Н}}}\hspace{0.33em}}\hspace{-0.04em}\boxed{\rule[-0.25em]{0pt}{0.95em}\hspace{0.33em}\mathclap{\textcolor{#e03131}{\textbf{О}}}\hspace{0.33em}}\hspace{-0.04em}\boxed{\rule[-0.25em]{0pt}{0.95em}\hspace{0.33em}\mathclap{\textcolor{#e03131}{\textbf{С}}}\hspace{0.33em}}\hspace{-0.04em}\boxed{\rule[-0.25em]{0pt}{0.95em}\hspace{0.33em}\mathclap{\textcolor{#e03131}{\textbf{Т}}}\hspace{0.33em}}\hspace{-0.04em}\boxed{\rule[-0.25em]{0pt}{0.95em}\hspace{0.33em}\mathclap{\textcolor{#e03131}{\textbf{Ь}}}\hspace{0.33em}} \end{array}\] \(\textcolor{#808080}{\text{Подходит и слово ОКРУЖНОСТЬ:}}\) \(\textcolor{#808080}{\text{диаметр, радиус и диагональ —}}\) \(\textcolor{#808080}{\text{отрезки.}}\)