Страница 43, ГДЗ по математике за 4 класс к тренажёру Погореловой

\[\begin{aligned} 3\,864\,700 \cdot 600 &= \textcolor{#e03131}{\mathbf{2\,318\,820\,000}} \\ 74\,589\,000 \cdot 500 &= \textcolor{#e03131}{\mathbf{37\,294\,500\,000}} \end{aligned}\] \[\begin{array}{cr} & \vphantom{\overset{\bullet}{0}}3864700\phantom{00} \\ \smash{\raisebox{0.62em}{$\times$}} & 600\phantom{00} \\ \hline & \textcolor{#e03131}{\mathbf{2}\kern-0.075em\mathbf{3}\kern-0.075em\mathbf{1}\kern-0.075em\mathbf{8}\kern-0.075em\mathbf{8}\kern-0.075em\mathbf{2}\kern-0.075em\mathbf{0}\kern-0.075em\mathbf{0}\kern-0.075em\mathbf{0}\kern-0.075em\mathbf{0}\kern-0.075em} \end{array} \qquad \begin{array}{cr} & \vphantom{\overset{\bullet}{0}}74589000\phantom{00} \\ \smash{\raisebox{0.62em}{$\times$}} & 500\phantom{000} \\ \hline & \textcolor{#e03131}{\mathbf{3}\kern-0.075em\mathbf{7}\kern-0.075em\mathbf{2}\kern-0.075em\mathbf{9}\kern-0.075em\mathbf{4}\kern-0.075em\mathbf{5}\kern-0.075em\mathbf{0}\kern-0.075em\mathbf{0}\kern-0.075em\mathbf{0}\kern-0.075em\mathbf{0}\kern-0.075em\mathbf{0}\kern-0.075em} \end{array}\] \[\begin{aligned} \vphantom{0} \\ 6\,304\,000 \cdot 300 &= \textcolor{#e03131}{\mathbf{1\,891\,200\,000}} \\ 9\,840\,000 \cdot 70\,000 &= \textcolor{#e03131}{\mathbf{688\,800\,000\,000}} \end{aligned}\] \[\begin{array}{cr} & \vphantom{\overset{\bullet}{0}}6304000\phantom{00} \\ \smash{\raisebox{0.62em}{$\times$}} & 300\phantom{000} \\ \hline & \textcolor{#e03131}{\mathbf{1}\kern-0.075em\mathbf{8}\kern-0.075em\mathbf{9}\kern-0.075em\mathbf{1}\kern-0.075em\mathbf{2}\kern-0.075em\mathbf{0}\kern-0.075em\mathbf{0}\kern-0.075em\mathbf{0}\kern-0.075em\mathbf{0}\kern-0.075em\mathbf{0}\kern-0.075em} \end{array} \qquad \begin{array}{cr} & \vphantom{\overset{\bullet}{0}}9840000\phantom{0000} \\ \smash{\raisebox{0.62em}{$\times$}} & 70000\phantom{0000} \\ \hline & \textcolor{#e03131}{\mathbf{6}\kern-0.075em\mathbf{8}\kern-0.075em\mathbf{8}\kern-0.075em\mathbf{8}\kern-0.075em\mathbf{0}\kern-0.075em\mathbf{0}\kern-0.075em\mathbf{0}\kern-0.075em\mathbf{0}\kern-0.075em\mathbf{0}\kern-0.075em\mathbf{0}\kern-0.075em\mathbf{0}\kern-0.075em\mathbf{0}\kern-0.075em} \end{array}\] \[\begin{aligned} \vphantom{0} \\ 16\,448\,000 : 80 &= \textcolor{#e03131}{\mathbf{205\,600}} \\ 1\,502\,580 : 30 &= \textcolor{#e03131}{\mathbf{50\,086}} \end{aligned}\] \[\begin{array}{l|l} \mathllap{\smash{\raisebox{-0.5em}{$-$}}\,}\overset{\mathclap{\textcolor{#1c7ed6}{\overgroup{\hphantom{\textstyle 164}}}}}{164}48000 & \underline{\,80\phantom{0000}\,} \\ \underline{160}\phantom{00000} & \overset{\textcolor{#1c7ed6}{\bullet}}{\textcolor{#e03131}{\mathbf{2}\kern-0.075em}}\overset{\textcolor{#1c7ed6}{\bullet}}{\textcolor{#e03131}{\mathbf{0}\kern-0.075em}}\overset{\textcolor{#1c7ed6}{\bullet}}{\textcolor{#e03131}{\mathbf{5}\kern-0.075em}}\overset{\textcolor{#1c7ed6}{\bullet}}{\textcolor{#e03131}{\mathbf{6}\kern-0.075em}}\overset{\textcolor{#1c7ed6}{\bullet}}{\textcolor{#e03131}{\mathbf{0}\kern-0.075em}}\overset{\textcolor{#1c7ed6}{\bullet}}{\textcolor{#e03131}{\mathbf{0}\kern-0.075em}} \\ \phantom{00}\mathllap{\smash{\raisebox{-0.5em}{$-$}}\,}448\phantom{000} & \\ \phantom{00}\underline{400}\phantom{000} & \\ \phantom{000}\mathllap{\smash{\raisebox{-0.5em}{$-$}}\,}480\phantom{00} & \\ \phantom{000}\underline{480}\phantom{00} & \\ \phantom{0000000}0 & \end{array} \qquad \begin{array}{l|l} \mathllap{\smash{\raisebox{-0.5em}{$-$}}\,}\overset{\mathclap{\textcolor{#1c7ed6}{\overgroup{\hphantom{\textstyle 150}}}}}{150}2580 & \underline{\,30\phantom{000}\,} \\ \underline{150}\phantom{0000} & \overset{\textcolor{#1c7ed6}{\bullet}}{\textcolor{#e03131}{\mathbf{5}\kern-0.075em}}\overset{\textcolor{#1c7ed6}{\bullet}}{\textcolor{#e03131}{\mathbf{0}\kern-0.075em}}\overset{\textcolor{#1c7ed6}{\bullet}}{\textcolor{#e03131}{\mathbf{0}\kern-0.075em}}\overset{\textcolor{#1c7ed6}{\bullet}}{\textcolor{#e03131}{\mathbf{8}\kern-0.075em}}\overset{\textcolor{#1c7ed6}{\bullet}}{\textcolor{#e03131}{\mathbf{6}\kern-0.075em}} \\ \phantom{000}\mathllap{\smash{\raisebox{-0.5em}{$-$}}\,}258\phantom{0} & \\ \phantom{000}\underline{240}\phantom{0} & \\ \phantom{0000}\mathllap{\smash{\raisebox{-0.5em}{$-$}}\,}180 & \\ \phantom{0000}\underline{180} & \\ \phantom{000000}0 & \end{array}\] \[\begin{aligned} \vphantom{0} \\ 15\,202\,800 : 400 &= \textcolor{#e03131}{\mathbf{38\,007}} \\ 27\,457\,200 : 900 &= \textcolor{#e03131}{\mathbf{30\,508}} \end{aligned}\] \[\begin{array}{l|l} \mathllap{\smash{\raisebox{-0.5em}{$-$}}\,}\overset{\mathclap{\textcolor{#1c7ed6}{\overgroup{\hphantom{\textstyle 1520}}}}}{1520}2800 & \underline{\,400\phantom{00}\,} \\ \underline{1200}\phantom{0000} & \overset{\textcolor{#1c7ed6}{\bullet}}{\textcolor{#e03131}{\mathbf{3}\kern-0.075em}}\overset{\textcolor{#1c7ed6}{\bullet}}{\textcolor{#e03131}{\mathbf{8}\kern-0.075em}}\overset{\textcolor{#1c7ed6}{\bullet}}{\textcolor{#e03131}{\mathbf{0}\kern-0.075em}}\overset{\textcolor{#1c7ed6}{\bullet}}{\textcolor{#e03131}{\mathbf{0}\kern-0.075em}}\overset{\textcolor{#1c7ed6}{\bullet}}{\textcolor{#e03131}{\mathbf{7}\kern-0.075em}} \\ \phantom{0}\mathllap{\smash{\raisebox{-0.5em}{$-$}}\,}3202\phantom{000} & \\ \phantom{0}\underline{3200}\phantom{000} & \\ \phantom{0000}\mathllap{\smash{\raisebox{-0.5em}{$-$}}\,}2800 & \\ \phantom{0000}\underline{2800} & \\ \phantom{0000000}0 & \end{array} \qquad \begin{array}{l|l} \mathllap{\smash{\raisebox{-0.5em}{$-$}}\,}\overset{\mathclap{\textcolor{#1c7ed6}{\overgroup{\hphantom{\textstyle 2745}}}}}{2745}7200 & \underline{\,900\phantom{00}\,} \\ \underline{2700}\phantom{0000} & \overset{\textcolor{#1c7ed6}{\bullet}}{\textcolor{#e03131}{\mathbf{3}\kern-0.075em}}\overset{\textcolor{#1c7ed6}{\bullet}}{\textcolor{#e03131}{\mathbf{0}\kern-0.075em}}\overset{\textcolor{#1c7ed6}{\bullet}}{\textcolor{#e03131}{\mathbf{5}\kern-0.075em}}\overset{\textcolor{#1c7ed6}{\bullet}}{\textcolor{#e03131}{\mathbf{0}\kern-0.075em}}\overset{\textcolor{#1c7ed6}{\bullet}}{\textcolor{#e03131}{\mathbf{8}\kern-0.075em}} \\ \phantom{00}\mathllap{\smash{\raisebox{-0.5em}{$-$}}\,}4572\phantom{00} & \\ \phantom{00}\underline{4500}\phantom{00} & \\ \phantom{0000}\mathllap{\smash{\raisebox{-0.5em}{$-$}}\,}7200 & \\ \phantom{0000}\underline{7200} & \\ \phantom{0000000}0 & \end{array}\]