Часть 2 страница 53, ГДЗ по математике за 2 класс к рабочей тетради Моро
Умножение числа 2 и на 2
\[\begin{array}{lll} \boxed{2 \cdot 7} \longrightarrow \boxed{\kern0.035em\textcolor{#e03131}{\mathbf{1}}\kern0.035em}\hspace{-0.04em}\boxed{\kern0.035em\textcolor{#e03131}{\mathbf{4}}\kern0.035em} & \boxed{2 \cdot 2} \longrightarrow \boxed{\kern0.035em\textcolor{#e03131}{\mathbf{4}}\kern0.035em} & \boxed{2 \cdot 8} \longrightarrow \boxed{\kern0.035em\textcolor{#e03131}{\mathbf{1}}\kern0.035em}\hspace{-0.04em}\boxed{\kern0.035em\textcolor{#e03131}{\mathbf{6}}\kern0.035em} \\[6pt] \boxed{2 \cdot 5} \longrightarrow \boxed{\kern0.035em\textcolor{#e03131}{\mathbf{1}}\kern0.035em}\hspace{-0.04em}\boxed{\kern0.035em\textcolor{#e03131}{\mathbf{0}}\kern0.035em} & \boxed{2 \cdot 9} \longrightarrow \boxed{\kern0.035em\textcolor{#e03131}{\mathbf{1}}\kern0.035em}\hspace{-0.04em}\boxed{\kern0.035em\textcolor{#e03131}{\mathbf{8}}\kern0.035em} & \boxed{2 \cdot 6} \longrightarrow \boxed{\kern0.035em\textcolor{#e03131}{\mathbf{1}}\kern0.035em}\hspace{-0.04em}\boxed{\kern0.035em\textcolor{#e03131}{\mathbf{2}}\kern0.035em} \\[6pt] \boxed{2 \cdot 4} \longrightarrow \boxed{\kern0.035em\textcolor{#e03131}{\mathbf{8}}\kern0.035em} \end{array}\]
\(\textcolor{#808080}{\text{Котят 3, у}}\) \(\textcolor{#808080}{\text{каждого 4 лапы:}}\) \[\begin{aligned} 4 \cdot 3 &= 12\text{ (}\textcolor{#e03131}{\textbf{л.}}\text{)} \\ 12 : 4 &= 3\text{ (}\textcolor{#e03131}{\textbf{к.}}\text{)} \\ 12 : 3 &= 4\text{ (}\textcolor{#e03131}{\textbf{л.}}\text{)} \end{aligned}\]
\[\begin{aligned} x + 6 &= 49 & \quad y - 50 &= 28 & \quad 74 - x &= 30 \\ x &= 49 - 6 & \quad y &= 28 + 50 & \quad x &= 74 - 30 \\ x &= \textcolor{#e03131}{\mathbf{43}} & \quad y &= \textcolor{#e03131}{\mathbf{78}} & \quad x &= \textcolor{#e03131}{\mathbf{44}} \end{aligned}\]
