Часть 2 страница 40, ГДЗ по математике за 2 класс к рабочей тетради Моро
Деление
\[\begin{aligned} 5 + 7 - \textcolor{#e03131}{\mathbf{3}} &= 9 & \qquad 12 - \textcolor{#e03131}{\mathbf{7}} + 6 &= 11 & \qquad 48 + \textcolor{#e03131}{\mathbf{2}} &= 50 \\ 8 + 6 - \textcolor{#e03131}{\mathbf{9}} &= 5 & \qquad 15 - \textcolor{#e03131}{\mathbf{9}} + 7 &= 13 & \qquad \textcolor{#e03131}{\mathbf{36}} \mathbin{\hspace{0.72em}\mathclap{\vcenter{\Large\bigcirc}}\mathclap{\textcolor{#e03131}{\pmb{\boldsymbol{+}}}}\hspace{0.72em}} 6 &= 42 \\ 4 + 9 - \textcolor{#e03131}{\mathbf{6}} &= 7 & \qquad 17 - \textcolor{#e03131}{\mathbf{8}} + 5 &= 14 & \qquad \textcolor{#e03131}{\mathbf{25}} \mathbin{\hspace{0.72em}\mathclap{\vcenter{\Large\bigcirc}}\mathclap{\textcolor{#e03131}{\pmb{\boldsymbol{+}}}}\hspace{0.72em}} 5 &= 30 \end{aligned}\] \(\textcolor{#808080}{\text{Второе решение:}}\) \(\textcolor{#808080}{{48 - 6 = 42}\text{,}}\) \(\textcolor{#808080}{{35 - 5 = 30}\text{.}}\)
\[\begin{array}{cr} & \vphantom{\overset{\bullet}{0}}\textcolor{#e03131}{\mathbf{7}\kern-0.075em}1 \\ \smash{\raisebox{0.62em}{$+$}} & 19 \\ \hline & 9\textcolor{#e03131}{\mathbf{0}\kern-0.075em} \end{array} \quad \begin{array}{cr} & \vphantom{\overset{\bullet}{0}}90 \\ \smash{\raisebox{0.62em}{$-$}} & \textcolor{#e03131}{\mathbf{1}\kern-0.075em}\textcolor{#e03131}{\mathbf{6}\kern-0.075em} \\ \hline & 74 \end{array} \quad \begin{array}{cr} & \vphantom{\overset{\bullet}{0}}\textcolor{#e03131}{\mathbf{4}\kern-0.075em}\textcolor{#e03131}{\mathbf{8}\kern-0.075em} \\ \smash{\raisebox{0.62em}{$-$}} & 14 \\ \hline & 34 \end{array} \quad \begin{array}{cr} & \vphantom{\overset{\bullet}{0}}7\textcolor{#e03131}{\mathbf{0}\kern-0.075em} \\ \smash{\raisebox{0.62em}{$-$}} & \textcolor{#e03131}{\mathbf{2}\kern-0.075em}3 \\ \hline & 47 \end{array} \quad \begin{array}{cr} & \vphantom{\overset{\bullet}{0}}\textcolor{#e03131}{\mathbf{6}\kern-0.075em}4 \\ \smash{\raisebox{0.62em}{$-$}} & 2\textcolor{#e03131}{\mathbf{5}\kern-0.075em} \\ \hline & 39 \end{array}\]
\[{\def\arraystretch{1.6}\begin{array}{lll} \textcolor{#e03131}{\underline{\boldsymbol{8 + x = 28}\vphantom{(}}} & \qquad 50 - x = 30 & \qquad \textcolor{#e03131}{\underline{\boldsymbol{y - 14 = 24}\vphantom{(}}} \\ 18 + x = 28 & \qquad \textcolor{#e03131}{\underline{\boldsymbol{60 - x = 30}\vphantom{(}}} & \qquad y - 4 = 24 \end{array}}\] Проверь себя, решив эти уравнения. \[\begin{aligned} 8 + x &= 28 & \quad 50 - x &= 30 & \quad y - 14 &= 24 \\ x &= 28 - 8 & \quad x &= 50 - 30 & \quad y &= 24 + 14 \\ x &= \textcolor{#e03131}{\mathbf{20}} & \quad x &= \textcolor{#e03131}{\mathbf{20}} & \quad y &= \textcolor{#e03131}{\mathbf{38}} \\[8pt] 18 + x &= 28 & \quad 60 - x &= 30 & \quad y - 4 &= 24 \\ x &= 28 - 18 & \quad x &= 60 - 30 & \quad y &= 24 + 4 \\ x &= \textcolor{#e03131}{\mathbf{10}} & \quad x &= \textcolor{#e03131}{\mathbf{30}} & \quad y &= \textcolor{#e03131}{\mathbf{28}} \end{aligned}\]
