Страница 54, ГДЗ по математике за 2 класс к проверочным работам Волковой. Серия "Школа России" к УМК Моро
Умножение и деление. Проверочная работа 2. Вариант 1
\[\begin{aligned} 1 \cdot 8 &= \boxed{\kern0.035em\textcolor{#e03131}{\mathbf{8}}\kern0.035em} & \qquad 0 \cdot 10 &= \boxed{\kern0.035em\textcolor{#e03131}{\mathbf{0}}\kern0.035em} & \qquad 1 \cdot 34 &= \boxed{\kern0.035em\textcolor{#e03131}{\mathbf{3}}\kern0.035em}\hspace{-0.04em}\boxed{\kern0.035em\textcolor{#e03131}{\mathbf{4}}\kern0.035em} \\ 0 \cdot 100 &= \boxed{\kern0.035em\textcolor{#e03131}{\mathbf{0}}\kern0.035em} & \qquad 0 \cdot (35 + 40) &= \boxed{\kern0.035em\textcolor{#e03131}{\mathbf{0}}\kern0.035em} & \qquad 1 \cdot (94 - 50) &= \boxed{\kern0.035em\textcolor{#e03131}{\mathbf{4}}\kern0.035em}\hspace{-0.04em}\boxed{\kern0.035em\textcolor{#e03131}{\mathbf{4}}\kern0.035em} \end{aligned}\]
\[\begin{aligned} 7 \overset{\mathclap{\textcolor{#808080}{\scriptstyle 28}}\rule[-0.35em]{0pt}{0.35em}}{\cdot} 4 &\mathrel{\hspace{0.72em}\mathclap{\vcenter{\Large\bigcirc}}\mathclap{\textcolor{#e03131}{\pmb{\boldsymbol{>}}}}\hspace{0.72em}} 7 + 7 \overset{\mathclap{\textcolor{#808080}{\scriptstyle 18}}}{+} 4 & \qquad 11 \overset{\mathclap{\textcolor{#808080}{\scriptstyle 22}}\rule[-0.35em]{0pt}{0.35em}}{\cdot} 2 &\mathrel{\hspace{0.72em}\mathclap{\vcenter{\Large\bigcirc}}\mathclap{\textcolor{#e03131}{\pmb{\boldsymbol{<}}}}\hspace{0.72em}} 11 \overset{\mathclap{\textcolor{#808080}{\scriptstyle 23}}}{+} 12 \\ 13 \cdot 4 &\mathrel{\hspace{0.72em}\mathclap{\vcenter{\Large\bigcirc}}\mathclap{\textcolor{#e03131}{\pmb{\boldsymbol{=}}}}\hspace{0.72em}} 4 \cdot 13 & \qquad 0 \overset{\mathclap{\textcolor{#808080}{\scriptstyle 0}}\rule[-0.35em]{0pt}{0.35em}}{\cdot} 56 &\mathrel{\hspace{0.72em}\mathclap{\vcenter{\Large\bigcirc}}\mathclap{\textcolor{#e03131}{\pmb{\boldsymbol{<}}}}\hspace{0.72em}} 1 \overset{\mathclap{\textcolor{#808080}{\scriptstyle 56}}\rule[-0.35em]{0pt}{0.35em}}{\cdot} 56 \\ 8 \cdot 9 &\mathrel{\hspace{0.72em}\mathclap{\vcenter{\Large\bigcirc}}\mathclap{\textcolor{#e03131}{\pmb{\boldsymbol{=}}}}\hspace{0.72em}} 9 \cdot 8 & \qquad 1 \overset{\mathclap{\textcolor{#808080}{\scriptstyle 3}}\rule[-0.35em]{0pt}{0.35em}}{\cdot} 3 &\mathrel{\hspace{0.72em}\mathclap{\vcenter{\Large\bigcirc}}\mathclap{\textcolor{#e03131}{\pmb{\boldsymbol{=}}}}\hspace{0.72em}} 1 + 1 \overset{\mathclap{\textcolor{#808080}{\scriptstyle 3}}}{+} 1 \end{aligned}\]
\(6 \cdot 3 = \textcolor{#e03131}{\mathbf{18}}\text{ (р.)}\)
Ответ: \(\textcolor{#e03131}{\mathbf{18}}\) р.
\(4 + 2 + 4 + 2 = \textcolor{#e03131}{\mathbf{12}}\text{ (см)}\)
Ответ: \(\textcolor{#e03131}{\mathbf{12}}\) см.
Запиши в окошко такое число, при котором равенство \({8 + 8 \cdot 3 + 8 = 8 \cdot \boxed{\kern0.035em\textcolor{#e03131}{\mathbf{5}}\kern0.035em}}\) станет верным.
\(\textcolor{#808080}{8 + 8 \cdot 3 + 8 = 40\text{, }40 = 8 \cdot 5\text{.}}\)