Страница 10, ГДЗ по математике за 3 класс к проверочным работам Волковой. Серия "Школа России" к УМК Моро
Умножение и деление (продолжение). Проверочная работа. Вариант 1
\[\begin{aligned} 5 \overset{\mathclap{\textcolor{#808080}{\scriptstyle 20}}\rule[-0.35em]{0pt}{0.35em}}{\cdot} 4 &\mathrel{\hspace{0.72em}\mathclap{\vcenter{\Large\bigcirc}}\mathclap{\textcolor{#e03131}{\pmb{\boldsymbol{>}}}}\hspace{0.72em}} 5 + 5 + 4 \overset{\mathclap{\textcolor{#808080}{\scriptstyle 19}}}{+} 5 & \qquad 8 \overset{\mathclap{\textcolor{#808080}{\scriptstyle 32}}\rule[-0.35em]{0pt}{0.35em}}{\cdot} 4 &\mathrel{\hspace{0.72em}\mathclap{\vcenter{\Large\bigcirc}}\mathclap{\textcolor{#e03131}{\pmb{\boldsymbol{>}}}}\hspace{0.72em}} 8 \overset{\mathclap{\textcolor{#808080}{\scriptstyle 12}}}{+} 4 \\ 6 + 6 + 6 \overset{\mathclap{\textcolor{#808080}{\scriptstyle 24}}}{+} 6 &\mathrel{\hspace{0.72em}\mathclap{\vcenter{\Large\bigcirc}}\mathclap{\textcolor{#e03131}{\pmb{\boldsymbol{>}}}}\hspace{0.72em}} 6 \overset{\mathclap{\textcolor{#808080}{\scriptstyle 18}}\rule[-0.35em]{0pt}{0.35em}}{\cdot} 3 & \qquad 10 \overset{\mathclap{\textcolor{#808080}{\scriptstyle 20}}\rule[-0.35em]{0pt}{0.35em}}{\cdot} 2 &\mathrel{\hspace{0.72em}\mathclap{\vcenter{\Large\bigcirc}}\mathclap{\textcolor{#e03131}{\pmb{\boldsymbol{>}}}}\hspace{0.72em}} 12 \\ 1 \overset{\mathclap{\textcolor{#808080}{\scriptstyle 43}}\rule[-0.35em]{0pt}{0.35em}}{\cdot} 43 &\mathrel{\hspace{0.72em}\mathclap{\vcenter{\Large\bigcirc}}\mathclap{\textcolor{#e03131}{\pmb{\boldsymbol{<}}}}\hspace{0.72em}} 43 \overset{\mathclap{\textcolor{#808080}{\scriptstyle 44}}}{+} 1 & \qquad 0 \overset{\mathclap{\textcolor{#808080}{\scriptstyle 0}}\rule[-0.35em]{0pt}{0.35em}}{\cdot} 100 &\mathrel{\hspace{0.72em}\mathclap{\vcenter{\Large\bigcirc}}\mathclap{\textcolor{#e03131}{\pmb{\boldsymbol{<}}}}\hspace{0.72em}} 100 \overset{\mathclap{\textcolor{#808080}{\scriptstyle 99}}}{-} 1 \end{aligned}\]
\[\begin{aligned} 2 \cdot 9 &= \boxed{\kern0.035em\textcolor{#e03131}{\mathbf{1}}\kern0.035em}\hspace{-0.04em}\boxed{\kern0.035em\textcolor{#e03131}{\mathbf{8}}\kern0.035em} & \qquad 14 : 2 &= \boxed{\kern0.035em\textcolor{#e03131}{\mathbf{7}}\kern0.035em} & \qquad 60 \overset{\textcolor{#1a7f37}{2}}{-} (37 \overset{\textcolor{#1a7f37}{1}}{-} 7) &= \boxed{\kern0.035em\textcolor{#e03131}{\mathbf{3}}\kern0.035em}\hspace{-0.04em}\boxed{\kern0.035em\textcolor{#e03131}{\mathbf{0}}\kern0.035em} \\ 6 \cdot 2 &= \boxed{\kern0.035em\textcolor{#e03131}{\mathbf{1}}\kern0.035em}\hspace{-0.04em}\boxed{\kern0.035em\textcolor{#e03131}{\mathbf{2}}\kern0.035em} & \qquad 16 : 8 &= \boxed{\kern0.035em\textcolor{#e03131}{\mathbf{2}}\kern0.035em} & \qquad 89 \overset{\textcolor{#1a7f37}{1}}{-} 56 \overset{\textcolor{#1a7f37}{2}}{+} 20 &= \boxed{\kern0.035em\textcolor{#e03131}{\mathbf{5}}\kern0.035em}\hspace{-0.04em}\boxed{\kern0.035em\textcolor{#e03131}{\mathbf{3}}\kern0.035em} \end{aligned}\]
\(12 : 6 = \textcolor{#e03131}{\mathbf{2}}\text{ (п.)}\)
Ответ: \(\textcolor{#e03131}{\mathbf{2}}\) полки.
\(P = 3 + 3 + 3 + 3 = \textcolor{#e03131}{\mathbf{12}}\text{ (см)}\)
Ответ: \(\textcolor{#e03131}{\mathbf{12}}\) см.
\[\begin{aligned} 62 \mathbin{\hspace{0.72em}\mathclap{\vcenter{\Large\bigcirc}}\mathclap{\textcolor{#e03131}{\pmb{\boldsymbol{-}}}}\hspace{0.72em}} 30 \mathbin{\hspace{0.72em}\mathclap{\vcenter{\Large\bigcirc}}\mathclap{\textcolor{#e03131}{\pmb{\boldsymbol{+}}}}\hspace{0.72em}} 8 &= 40 & \qquad 46 \mathbin{\hspace{0.72em}\mathclap{\vcenter{\Large\bigcirc}}\mathclap{\textcolor{#e03131}{\pmb{\boldsymbol{-}}}}\hspace{0.72em}} 10 \mathbin{\hspace{0.72em}\mathclap{\vcenter{\Large\bigcirc}}\mathclap{\textcolor{#e03131}{\pmb{\boldsymbol{-}}}}\hspace{0.72em}} 6 &= 30 \end{aligned}\]
