Страница 72, ГДЗ по математике за 3 класс к проверочным работам Волковой. Серия "Школа России" к УМК Моро
Сложение и вычитание. Проверочная работа 1. Вариант 1
\[\begin{aligned} &\begin{aligned} 1) & & 60 + 80 &= \textcolor{#e03131}{\mathbf{140}} & \qquad 400 - 70 &= \textcolor{#e03131}{\mathbf{330}} \\ & & 540 + 60 &= \textcolor{#e03131}{\mathbf{600}} & \qquad 710 - 500 &= \textcolor{#e03131}{\mathbf{210}} \\ & & 360 + 90 &= \textcolor{#e03131}{\mathbf{450}} & \qquad 210 - 40 &= \textcolor{#e03131}{\mathbf{170}} \\ & & 130 + 50 &= \textcolor{#e03131}{\mathbf{180}} & \qquad 860 - 320 &= \textcolor{#e03131}{\mathbf{540}} \end{aligned} \\[10pt] &\begin{aligned} 2) & & 400 \mathrel{\overset{\textcolor{#1a7f37}{1}}{\vphantom{+}{:}}} 100 \mathbin{\overset{\textcolor{#1a7f37}{2}}{\vphantom{+}\cdot}} 5 &= \boxed{\kern0.035em\textcolor{#e03131}{\mathbf{2}}\kern0.035em}\hspace{-0.04em}\boxed{\kern0.035em\textcolor{#e03131}{\mathbf{0}}\kern0.035em} & \qquad 200 \mathbin{\overset{\textcolor{#1a7f37}{1}}{\vphantom{+}\cdot}} 3 \overset{\textcolor{#1a7f37}{2}}{+} 360 &= \boxed{\kern0.035em\textcolor{#e03131}{\mathbf{9}}\kern0.035em}\hspace{-0.04em}\boxed{\kern0.035em\textcolor{#e03131}{\mathbf{6}}\kern0.035em}\hspace{-0.04em}\boxed{\kern0.035em\textcolor{#e03131}{\mathbf{0}}\kern0.035em} \\ & & 320 \overset{\textcolor{#1a7f37}{1}}{-} 20 \overset{\textcolor{#1a7f37}{2}}{-} 60 &= \boxed{\kern0.035em\textcolor{#e03131}{\mathbf{2}}\kern0.035em}\hspace{-0.04em}\boxed{\kern0.035em\textcolor{#e03131}{\mathbf{4}}\kern0.035em}\hspace{-0.04em}\boxed{\kern0.035em\textcolor{#e03131}{\mathbf{0}}\kern0.035em} & \qquad 420 \overset{\textcolor{#1a7f37}{1}}{+} 80 \overset{\textcolor{#1a7f37}{2}}{-} 30 &= \boxed{\kern0.035em\textcolor{#e03131}{\mathbf{4}}\kern0.035em}\hspace{-0.04em}\boxed{\kern0.035em\textcolor{#e03131}{\mathbf{7}}\kern0.035em}\hspace{-0.04em}\boxed{\kern0.035em\textcolor{#e03131}{\mathbf{0}}\kern0.035em} \end{aligned} \end{aligned}\]
\[\begin{aligned} 25\text{ дм }5\text{ см} &= \boxed{\kern0.035em\textcolor{#e03131}{\mathbf{2}}\kern0.035em}\hspace{-0.04em}\boxed{\kern0.035em\textcolor{#e03131}{\mathbf{5}}\kern0.035em}\hspace{-0.04em}\boxed{\kern0.035em\textcolor{#e03131}{\mathbf{5}}\kern0.035em}\text{ см} & \qquad 600\text{ к.} &= \boxed{\kern0.035em\textcolor{#e03131}{\mathbf{6}}\kern0.035em}\text{ р.} \\ 4\text{ м }8\text{ дм} &= \boxed{\kern0.035em\textcolor{#e03131}{\mathbf{4}}\kern0.035em}\hspace{-0.04em}\boxed{\kern0.035em\textcolor{#e03131}{\mathbf{8}}\kern0.035em}\hspace{-0.04em}\boxed{\kern0.035em\textcolor{#e03131}{\mathbf{0}}\kern0.035em}\text{ см} & \qquad 8\text{ р. }20\text{ к.} &= \boxed{\kern0.035em\textcolor{#e03131}{\mathbf{8}}\kern0.035em}\hspace{-0.04em}\boxed{\kern0.035em\textcolor{#e03131}{\mathbf{2}}\kern0.035em}\hspace{-0.04em}\boxed{\kern0.035em\textcolor{#e03131}{\mathbf{0}}\kern0.035em}\text{ к.} \end{aligned}\]
\(1)\ 20 : 5 = \textcolor{#e03131}{\mathbf{4}}\text{ (м}^2\text{)}\)
\(2)\ 4 + 1 = \textcolor{#e03131}{\mathbf{5}}\text{ (м}^2\text{)}\)
\(3)\ 45 : 5 = \textcolor{#e03131}{\mathbf{9}}\text{ (ч)}\)
Ответ: \(\textcolor{#e03131}{\mathbf{9}}\) ч.
В трёхзначном номере квартиры использованы цифры: 1, 3, 8. Запиши номер квартиры, если он больше, чем 320, но меньше, чем 810. \({\boxed{\kern0.035em\textcolor{#e03131}{\mathbf{3}}\kern0.035em}\hspace{-0.04em}\boxed{\kern0.035em\textcolor{#e03131}{\mathbf{8}}\kern0.035em}\hspace{-0.04em}\boxed{\kern0.035em\textcolor{#e03131}{\mathbf{1}}\kern0.035em}}\)
\(\textcolor{#808080}{\text{Из цифр }{1}\text{,}}\) \(\textcolor{#808080}{{3}\text{,}}\) \(\textcolor{#808080}{{8}\text{:}}\) \(\textcolor{#808080}{{138}\text{,}}\) \(\textcolor{#808080}{{183}\text{,}}\) \(\textcolor{#808080}{{318}\text{,}}\) \(\textcolor{#808080}{{381}\text{,}}\) \(\textcolor{#808080}{{813}\text{,}}\) \(\textcolor{#808080}{{831}\text{;}}\) \(\textcolor{#808080}{\text{больше }{320}}\) \(\textcolor{#808080}{\text{и меньше }{810}}\) \(\textcolor{#808080}{\text{только }{381}\text{.}}\)
