Страница 44, ГДЗ по математике за 4 класс к тренажёру Погореловой

\[\begin{aligned} 30\,457\,000 \cdot 7\,000 &= \textcolor{#e03131}{\mathbf{213\,199\,000\,000}} \\ 54\,969\,100 \cdot 9\,000 &= \textcolor{#e03131}{\mathbf{494\,721\,900\,000}} \end{aligned}\] \[\begin{array}{cr} & \vphantom{\overset{\bullet}{0}}30457000\phantom{000} \\ \smash{\raisebox{0.62em}{$\times$}} & 7000\phantom{000} \\ \hline & \textcolor{#e03131}{\mathbf{2}\kern-0.075em\mathbf{1}\kern-0.075em\mathbf{3}\kern-0.075em\mathbf{1}\kern-0.075em\mathbf{9}\kern-0.075em\mathbf{9}\kern-0.075em\mathbf{0}\kern-0.075em\mathbf{0}\kern-0.075em\mathbf{0}\kern-0.075em\mathbf{0}\kern-0.075em\mathbf{0}\kern-0.075em\mathbf{0}\kern-0.075em} \end{array} \qquad \begin{array}{cr} & \vphantom{\overset{\bullet}{0}}54969100\phantom{000} \\ \smash{\raisebox{0.62em}{$\times$}} & 9000\phantom{00} \\ \hline & \textcolor{#e03131}{\mathbf{4}\kern-0.075em\mathbf{9}\kern-0.075em\mathbf{4}\kern-0.075em\mathbf{7}\kern-0.075em\mathbf{2}\kern-0.075em\mathbf{1}\kern-0.075em\mathbf{9}\kern-0.075em\mathbf{0}\kern-0.075em\mathbf{0}\kern-0.075em\mathbf{0}\kern-0.075em\mathbf{0}\kern-0.075em\mathbf{0}\kern-0.075em} \end{array}\] \[\begin{aligned} \vphantom{0} \\ 84\,137\,500 \cdot 4\,000 &= \textcolor{#e03131}{\mathbf{336\,550\,000\,000}} \\ 74\,060\,000 \cdot 600 &= \textcolor{#e03131}{\mathbf{44\,436\,000\,000}} \end{aligned}\] \[\begin{array}{cr} & \vphantom{\overset{\bullet}{0}}84137500\phantom{000} \\ \smash{\raisebox{0.62em}{$\times$}} & 4000\phantom{00} \\ \hline & \textcolor{#e03131}{\mathbf{3}\kern-0.075em\mathbf{3}\kern-0.075em\mathbf{6}\kern-0.075em\mathbf{5}\kern-0.075em\mathbf{5}\kern-0.075em\mathbf{0}\kern-0.075em\mathbf{0}\kern-0.075em\mathbf{0}\kern-0.075em\mathbf{0}\kern-0.075em\mathbf{0}\kern-0.075em\mathbf{0}\kern-0.075em\mathbf{0}\kern-0.075em} \end{array} \qquad \begin{array}{cr} & \vphantom{\overset{\bullet}{0}}74060000\phantom{00} \\ \smash{\raisebox{0.62em}{$\times$}} & 600\phantom{0000} \\ \hline & \textcolor{#e03131}{\mathbf{4}\kern-0.075em\mathbf{4}\kern-0.075em\mathbf{4}\kern-0.075em\mathbf{3}\kern-0.075em\mathbf{6}\kern-0.075em\mathbf{0}\kern-0.075em\mathbf{0}\kern-0.075em\mathbf{0}\kern-0.075em\mathbf{0}\kern-0.075em\mathbf{0}\kern-0.075em\mathbf{0}\kern-0.075em} \end{array}\] \[\begin{aligned} \vphantom{0} \\ 15\,104\,000 : 500 &= \textcolor{#e03131}{\mathbf{30\,208}} \\ 64\,060\,800 : 800 &= \textcolor{#e03131}{\mathbf{80\,076}} \end{aligned}\] \[\begin{array}{l|l} \mathllap{\smash{\raisebox{-0.5em}{$-$}}\,}\overset{\mathclap{\textcolor{#1c7ed6}{\overgroup{\hphantom{\textstyle 1510}}}}}{1510}4000 & \underline{\,500\phantom{00}\,} \\ \underline{1500}\phantom{0000} & \overset{\textcolor{#1c7ed6}{\bullet}}{\textcolor{#e03131}{\mathbf{3}\kern-0.075em}}\overset{\textcolor{#1c7ed6}{\bullet}}{\textcolor{#e03131}{\mathbf{0}\kern-0.075em}}\overset{\textcolor{#1c7ed6}{\bullet}}{\textcolor{#e03131}{\mathbf{2}\kern-0.075em}}\overset{\textcolor{#1c7ed6}{\bullet}}{\textcolor{#e03131}{\mathbf{0}\kern-0.075em}}\overset{\textcolor{#1c7ed6}{\bullet}}{\textcolor{#e03131}{\mathbf{8}\kern-0.075em}} \\ \phantom{00}\mathllap{\smash{\raisebox{-0.5em}{$-$}}\,}1040\phantom{00} & \\ \phantom{00}\underline{1000}\phantom{00} & \\ \phantom{0000}\mathllap{\smash{\raisebox{-0.5em}{$-$}}\,}4000 & \\ \phantom{0000}\underline{4000} & \\ \phantom{0000000}0 & \end{array} \qquad \begin{array}{l|l} \mathllap{\smash{\raisebox{-0.5em}{$-$}}\,}\overset{\mathclap{\textcolor{#1c7ed6}{\overgroup{\hphantom{\textstyle 6406}}}}}{6406}0800 & \underline{\,800\phantom{00}\,} \\ \underline{6400}\phantom{0000} & \overset{\textcolor{#1c7ed6}{\bullet}}{\textcolor{#e03131}{\mathbf{8}\kern-0.075em}}\overset{\textcolor{#1c7ed6}{\bullet}}{\textcolor{#e03131}{\mathbf{0}\kern-0.075em}}\overset{\textcolor{#1c7ed6}{\bullet}}{\textcolor{#e03131}{\mathbf{0}\kern-0.075em}}\overset{\textcolor{#1c7ed6}{\bullet}}{\textcolor{#e03131}{\mathbf{7}\kern-0.075em}}\overset{\textcolor{#1c7ed6}{\bullet}}{\textcolor{#e03131}{\mathbf{6}\kern-0.075em}} \\ \phantom{000}\mathllap{\smash{\raisebox{-0.5em}{$-$}}\,}6080\phantom{0} & \\ \phantom{000}\underline{5600}\phantom{0} & \\ \phantom{0000}\mathllap{\smash{\raisebox{-0.5em}{$-$}}\,}4800 & \\ \phantom{0000}\underline{4800} & \\ \phantom{0000000}0 & \end{array}\] \[\begin{aligned} \vphantom{0} \\ 159\,012\,000 : 300 &= \textcolor{#e03131}{\mathbf{530\,040}} \\ 562\,149\,000 : 700 &= \textcolor{#e03131}{\mathbf{803\,070}} \end{aligned}\] \[\begin{array}{l|l} \mathllap{\smash{\raisebox{-0.5em}{$-$}}\,}\overset{\mathclap{\textcolor{#1c7ed6}{\overgroup{\hphantom{\textstyle 1590}}}}}{1590}12000 & \underline{\,300\phantom{000}\,} \\ \underline{1500}\phantom{00000} & \overset{\textcolor{#1c7ed6}{\bullet}}{\textcolor{#e03131}{\mathbf{5}\kern-0.075em}}\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{0}\kern-0.075em}}\overset{\textcolor{#1c7ed6}{\bullet}}{\textcolor{#e03131}{\mathbf{4}\kern-0.075em}}\overset{\textcolor{#1c7ed6}{\bullet}}{\textcolor{#e03131}{\mathbf{0}\kern-0.075em}} \\ \phantom{00}\mathllap{\smash{\raisebox{-0.5em}{$-$}}\,}901\phantom{0000} & \\ \phantom{00}\underline{900}\phantom{0000} & \\ \phantom{0000}\mathllap{\smash{\raisebox{-0.5em}{$-$}}\,}1200\phantom{0} & \\ \phantom{0000}\underline{1200}\phantom{0} & \\ \phantom{00000000}0 & \end{array} \qquad \begin{array}{l|l} \mathllap{\smash{\raisebox{-0.5em}{$-$}}\,}\overset{\mathclap{\textcolor{#1c7ed6}{\overgroup{\hphantom{\textstyle 5621}}}}}{5621}49000 & \underline{\,700\phantom{000}\,} \\ \underline{5600}\phantom{00000} & \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{3}\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}}\overset{\textcolor{#1c7ed6}{\bullet}}{\textcolor{#e03131}{\mathbf{0}\kern-0.075em}} \\ \phantom{00}\mathllap{\smash{\raisebox{-0.5em}{$-$}}\,}2149\phantom{000} & \\ \phantom{00}\underline{2100}\phantom{000} & \\ \phantom{0000}\mathllap{\smash{\raisebox{-0.5em}{$-$}}\,}4900\phantom{0} & \\ \phantom{0000}\underline{4900}\phantom{0} & \\ \phantom{00000000}0 & \end{array}\]