Часть 2 страница 28, ГДЗ по математике за 2 класс к рабочей тетради Моро
Название чисел при умножении
\(1)\ 1 + 3 + 3 + 3 = \textcolor{#e03131}{\mathbf{10}}\text{ (см)}\)
\(2)\ 2 \cdot 4 = \textcolor{#e03131}{\mathbf{8}}\text{ (см)}\)
Сколько осей симметрии у фигуры 1? \({\boxed{\kern0.035em\textcolor{#e03131}{\mathbf{1}}\kern0.035em}}\)
У фигуры 2? \({\boxed{\kern0.035em\textcolor{#e03131}{\mathbf{4}}\kern0.035em}}\)
\[\begin{aligned} 12 - 8 + \textcolor{#e03131}{\mathbf{7}} &= 11 & \qquad 8 + 6 - \textcolor{#e03131}{\mathbf{9}} &= 5 & \qquad 15 - \textcolor{#e03131}{\mathbf{8}} &= 7 \\ 14 - \textcolor{#e03131}{\mathbf{8}} + 7 &= 13 & \qquad \textcolor{#e03131}{\mathbf{9}} + 7 - 8 &= 8 & \qquad 13 - \textcolor{#e03131}{\mathbf{9}} &= 4 \\ 15 - 9 + \textcolor{#e03131}{\mathbf{6}} &= 12 & \qquad \textcolor{#e03131}{\mathbf{7}} + 5 - 3 &= 9 & \qquad 17 - \textcolor{#e03131}{\mathbf{9}} &= 8 \end{aligned}\]
\[\begin{aligned} 53 &\mathrel{\hspace{0.72em}\mathclap{\vcenter{\Large\bigcirc}}\mathclap{\textcolor{#e03131}{\pmb{\boldsymbol{>}}}}\hspace{0.72em}} 35 & \qquad 1\text{ см} &\mathrel{\hspace{0.72em}\mathclap{\vcenter{\Large\bigcirc}}\mathclap{\textcolor{#e03131}{\pmb{\boldsymbol{<}}}}\hspace{0.72em}} \overset{\textcolor{#808080}{\scriptstyle 100\text{ см}}}{10\text{ дм}} & \qquad 49 \overset{\mathclap{\textcolor{#808080}{\scriptstyle 50}}}{+} 1 &\mathrel{\hspace{0.72em}\mathclap{\vcenter{\Large\bigcirc}}\mathclap{\textcolor{#e03131}{\pmb{\boldsymbol{=}}}}\hspace{0.72em}} 50 \\ 47 &\mathrel{\hspace{0.72em}\mathclap{\vcenter{\Large\bigcirc}}\mathclap{\textcolor{#e03131}{\pmb{\boldsymbol{<}}}}\hspace{0.72em}} 74 & \qquad \overset{\textcolor{#808080}{\scriptstyle 10\text{ дм}}}{1\text{ м}} &\mathrel{\hspace{0.72em}\mathclap{\vcenter{\Large\bigcirc}}\mathclap{\textcolor{#e03131}{\pmb{\boldsymbol{=}}}}\hspace{0.72em}} 10\text{ дм} & \qquad 39 \overset{\mathclap{\textcolor{#808080}{\scriptstyle 40}}}{+} 1 &\mathrel{\hspace{0.72em}\mathclap{\vcenter{\Large\bigcirc}}\mathclap{\textcolor{#e03131}{\pmb{\boldsymbol{<}}}}\hspace{0.72em}} 42 \overset{\mathclap{\textcolor{#808080}{\scriptstyle 41}}}{-} 1 \end{aligned}\]
