Часть 2 страница 35, ГДЗ по математике за 2 класс к рабочей тетради Моро
Свойство умножения
\[\begin{aligned} 23 \mathbin{\textcolor{#e03131}{\pmb{\boldsymbol{-}}}} 6 \mathbin{\textcolor{#e03131}{\pmb{\boldsymbol{-}}}} 5 &= 12 & \qquad 37 \mathbin{\textcolor{#e03131}{\pmb{\boldsymbol{-}}}} \textcolor{#e03131}{\pmb{(}}27 \mathbin{\textcolor{#e03131}{\pmb{\boldsymbol{-}}}} 17\textcolor{#e03131}{\pmb{)}} &= 27 \\ 14 \mathbin{\textcolor{#e03131}{\pmb{\boldsymbol{-}}}} 8 \mathbin{\textcolor{#e03131}{\pmb{\boldsymbol{+}}}} 20 &= 26 & \qquad 56 \mathbin{\textcolor{#e03131}{\pmb{\boldsymbol{-}}}} \textcolor{#e03131}{\pmb{(}}39 \mathbin{\textcolor{#e03131}{\pmb{\boldsymbol{-}}}} 29\textcolor{#e03131}{\pmb{)}} &= 46 \end{aligned}\] \(\textcolor{#808080}{\text{Подходят и: }{23 - (6 + 5) = 12}\text{,}}\) \(\textcolor{#808080}{{37 - 27 + 17 = 27}\text{,}}\) \(\textcolor{#808080}{{56 - 39 + 29 = 46}\text{.}}\)
\[\textcolor{#808080}{\boxed{\textcolor{#272727}{\begin{array}{cr} & \vphantom{\overset{\bullet}{0}}\overset{\textcolor{#1c7ed6}{\bullet}}{\textcolor{#1c7ed6}{6}}5 \\ \smash{\raisebox{0.62em}{$-$}} & 17 \\ \hline & \textcolor{#e03131}{\mathbf{4}\kern-0.075em\mathbf{8}\kern-0.075em} \end{array}}}} \quad \textcolor{#808080}{\boxed{\textcolor{#272727}{\begin{array}{cr} & \vphantom{\overset{\bullet}{0}}\overset{\textcolor{#1c7ed6}{\bullet}}{\textcolor{#1c7ed6}{8}}3 \\ \smash{\raisebox{0.62em}{$-$}} & 35 \\ \hline & \textcolor{#e03131}{\mathbf{4}\kern-0.075em\mathbf{8}\kern-0.075em} \end{array}}}} \quad \textcolor{#808080}{\boxed{\textcolor{#272727}{\begin{array}{cr} & \vphantom{\overset{\bullet}{0}}\overset{\textcolor{#1c7ed6}{\bullet}}{\textcolor{#1c7ed6}{2}}9 \\ \smash{\raisebox{0.62em}{$+$}} & 19 \\ \hline & \textcolor{#e03131}{\mathbf{4}\kern-0.075em\mathbf{8}\kern-0.075em} \end{array}}}} \quad \textcolor{#808080}{\boxed{\textcolor{#272727}{\begin{array}{cr} & \vphantom{\overset{\bullet}{0}}\overset{\textcolor{#1c7ed6}{\bullet}}{\textcolor{#1c7ed6}{7}}2 \\ \smash{\raisebox{0.62em}{$-$}} & 24 \\ \hline & \textcolor{#e03131}{\mathbf{4}\kern-0.075em\mathbf{8}\kern-0.075em} \end{array}}}} \quad \textcolor{#e03131}{\boxed{\textcolor{#272727}{\begin{array}{cr} & \vphantom{\overset{\bullet}{0}}\overset{\textcolor{#1c7ed6}{\bullet}}{\textcolor{#1c7ed6}{5}}4 \\ \smash{\raisebox{0.62em}{$-$}} & 16 \\ \hline & \textcolor{#e03131}{\mathbf{3}\kern-0.075em\mathbf{8}\kern-0.075em} \end{array}}}}\]
Запиши решение по действиям с краткими пояснениями.
\(1)\ 3 + 2 = \textcolor{#e03131}{\mathbf{5}}\text{ (к.)}\) \(\textcolor{#e03131}{\textbf{— в средней}}\) \(\textcolor{#e03131}{\textbf{матрёшке}}\)
\(2)\ 3 + 5 = \textcolor{#e03131}{\mathbf{8}}\text{ (к.)}\) \(\textcolor{#e03131}{\textbf{— в большой}}\) \(\textcolor{#e03131}{\textbf{матрёшке}}\)
Ответ: \(\textcolor{#e03131}{\mathbf{8}}\) куколок.



