Часть 2 страница 70, ГДЗ по математике за 2 класс к рабочей тетради Моро
Во сколько раз больше? Меньше?
\[\begin{aligned} x \cdot 6 &= 30 & \qquad x \cdot 7 &= 42 & \qquad 9 + x &= 9 & \qquad x - 12 &= 0 \\ x &= \textcolor{#e03131}{\mathbf{5}} & \qquad x &= \textcolor{#e03131}{\mathbf{6}} & \qquad x &= \textcolor{#e03131}{\mathbf{0}} & \qquad x &= \textcolor{#e03131}{\mathbf{12}} \end{aligned}\] \(\textcolor{#808080}{{5 \cdot 6 = 30}\text{,}}\) \(\textcolor{#808080}{{6 \cdot 7 = 42}\text{,}}\) \(\textcolor{#808080}{{9 + 0 = 9}\text{,}}\) \(\textcolor{#808080}{{12 - 12 = 0}\text{.}}\)
\[\begin{array}{|c|} \hline \rule[-0.52em]{0pt}{1.66em}\text{Уменьши на 6} \\ \hline \kern-0.5em\begin{array}{c|c|c|c|c} \rule[-0.52em]{0pt}{1.66em}17 & 9 & 11 & 48 & 24 \\ \hline \rule[-0.52em]{0pt}{1.66em}\boxed{\kern0.035em\textcolor{#e03131}{\mathbf{1}}\kern0.035em}\hspace{-0.04em}\boxed{\kern0.035em\textcolor{#e03131}{\mathbf{1}}\kern0.035em} & \boxed{\kern0.035em\textcolor{#e03131}{\mathbf{3}}\kern0.035em} & \boxed{\kern0.035em\textcolor{#e03131}{\mathbf{5}}\kern0.035em} & \boxed{\kern0.035em\textcolor{#e03131}{\mathbf{4}}\kern0.035em}\hspace{-0.04em}\boxed{\kern0.035em\textcolor{#e03131}{\mathbf{2}}\kern0.035em} & \boxed{\kern0.035em\textcolor{#e03131}{\mathbf{1}}\kern0.035em}\hspace{-0.04em}\boxed{\kern0.035em\textcolor{#e03131}{\mathbf{8}}\kern0.035em} \end{array}\kern-0.5em \\ \hline \end{array} \qquad \begin{array}{|c|} \hline \rule[-0.52em]{0pt}{1.66em}\text{Уменьши в 6 раз} \\ \hline \kern-0.5em\begin{array}{c|c|c|c} \rule[-0.52em]{0pt}{1.66em}42 & 36 & 12 & 30 \\ \hline \rule[-0.52em]{0pt}{1.66em}\boxed{\kern0.035em\textcolor{#e03131}{\mathbf{7}}\kern0.035em} & \boxed{\kern0.035em\textcolor{#e03131}{\mathbf{6}}\kern0.035em} & \boxed{\kern0.035em\textcolor{#e03131}{\mathbf{2}}\kern0.035em} & \boxed{\kern0.035em\textcolor{#e03131}{\mathbf{5}}\kern0.035em} \end{array}\kern-0.5em \\ \hline \end{array}\]
Вычисли и запиши, что узнаешь, выполнив каждое действие.
\(1)\ 8 \cdot 3 = \textcolor{#e03131}{\mathbf{24}}\text{ (п.)}\) \(\textcolor{#e03131}{\textbf{— на трёх}}\) \(\textcolor{#e03131}{\textbf{тарелках}}\)
\(2)\ \textcolor{#e03131}{\mathbf{24}} + 5 = \textcolor{#e03131}{\mathbf{29}}\text{ (п.)}\) \(\textcolor{#e03131}{\textbf{— было}}\) \(\textcolor{#e03131}{\textbf{в кастрюле}}\) \(\textcolor{#e03131}{\textbf{сначала}}\)
Ответ: \(\textcolor{#e03131}{\mathbf{29}}\) пельменей.
\[\begin{aligned} (7 + \boxed{\kern0.035em\textcolor{#e03131}{\mathbf{9}}\kern0.035em}) : 8 &= 2 & \qquad (42 - \boxed{\kern0.035em\textcolor{#e03131}{\mathbf{3}}\kern0.035em}\hspace{-0.04em}\boxed{\kern0.035em\textcolor{#e03131}{\mathbf{6}}\kern0.035em}) \cdot 5 &= 30 \\ (19 + \boxed{\kern0.035em\textcolor{#e03131}{\mathbf{8}}\kern0.035em}) : 9 &= 3 & \qquad 54 : (\boxed{\kern0.035em\textcolor{#e03131}{\mathbf{1}}\kern0.035em}\hspace{-0.04em}\boxed{\kern0.035em\textcolor{#e03131}{\mathbf{3}}\kern0.035em} - 7) &= 9 \\ (\boxed{\kern0.035em\textcolor{#e03131}{\mathbf{6}}\kern0.035em}\hspace{-0.04em}\boxed{\kern0.035em\textcolor{#e03131}{\mathbf{0}}\kern0.035em} - 4) : 7 &= 8 & \qquad (\boxed{\kern0.035em\textcolor{#e03131}{\mathbf{3}}\kern0.035em}\hspace{-0.04em}\boxed{\kern0.035em\textcolor{#e03131}{\mathbf{9}}\kern0.035em} - 30) \cdot 6 &= 54 \end{aligned}\]
