4класс

Страница 47, ГДЗ по математике за 4 класс к тренажёру Погореловой

Умножение на двузначное и трёхзначное число

2. Вычисли.

\[\begin{array}{cr} & \vphantom{\overset{\bullet}{0}}374 \\ \smash{\raisebox{0.62em}{$\times$}} & 508 \\ \hline & 2992 \\ \smash{\raisebox{0.62em}{$+$}} & 1870\phantom{00} \\ \hline & \textcolor{#e03131}{\mathbf{1}\kern-0.075em\mathbf{8}\kern-0.075em\mathbf{9}\kern-0.075em\mathbf{9}\kern-0.075em\mathbf{9}\kern-0.075em\mathbf{2}\kern-0.075em} \end{array} \qquad \begin{array}{cr} & \vphantom{\overset{\bullet}{0}}679 \\ \smash{\raisebox{0.62em}{$\times$}} & 204 \\ \hline & 2716 \\ \smash{\raisebox{0.62em}{$+$}} & 1358\phantom{00} \\ \hline & \textcolor{#e03131}{\mathbf{1}\kern-0.075em\mathbf{3}\kern-0.075em\mathbf{8}\kern-0.075em\mathbf{5}\kern-0.075em\mathbf{1}\kern-0.075em\mathbf{6}\kern-0.075em} \end{array} \qquad \begin{array}{cr} & \vphantom{\overset{\bullet}{0}}823 \\ \smash{\raisebox{0.62em}{$\times$}} & 407 \\ \hline & 5761 \\ \smash{\raisebox{0.62em}{$+$}} & 3292\phantom{00} \\ \hline & \textcolor{#e03131}{\mathbf{3}\kern-0.075em\mathbf{3}\kern-0.075em\mathbf{4}\kern-0.075em\mathbf{9}\kern-0.075em\mathbf{6}\kern-0.075em\mathbf{1}\kern-0.075em} \end{array}\] \[\begin{array}{cr} & \vphantom{\overset{\bullet}{0}}758\phantom{0} \\ \smash{\raisebox{0.62em}{$\times$}} & 340 \\ \hline & 3032\phantom{0} \\ \smash{\raisebox{0.62em}{$+$}} & 2274\phantom{00} \\ \hline & \textcolor{#e03131}{\mathbf{2}\kern-0.075em\mathbf{5}\kern-0.075em\mathbf{7}\kern-0.075em\mathbf{7}\kern-0.075em\mathbf{2}\kern-0.075em\mathbf{0}\kern-0.075em} \end{array} \qquad \begin{array}{cr} & \vphantom{\overset{\bullet}{0}}926\phantom{0} \\ \smash{\raisebox{0.62em}{$\times$}} & 570 \\ \hline & 6482\phantom{0} \\ \smash{\raisebox{0.62em}{$+$}} & 4630\phantom{00} \\ \hline & \textcolor{#e03131}{\mathbf{5}\kern-0.075em\mathbf{2}\kern-0.075em\mathbf{7}\kern-0.075em\mathbf{8}\kern-0.075em\mathbf{2}\kern-0.075em\mathbf{0}\kern-0.075em} \end{array} \qquad \begin{array}{cr} & \vphantom{\overset{\bullet}{0}}568\phantom{00} \\ \smash{\raisebox{0.62em}{$\times$}} & 8300 \\ \hline & 1704\phantom{00} \\ \smash{\raisebox{0.62em}{$+$}} & 4544\phantom{000} \\ \hline & \textcolor{#e03131}{\mathbf{4}\kern-0.075em\mathbf{7}\kern-0.075em\mathbf{1}\kern-0.075em\mathbf{4}\kern-0.075em\mathbf{4}\kern-0.075em\mathbf{0}\kern-0.075em\mathbf{0}\kern-0.075em} \end{array}\] \[\begin{array}{cr} & \vphantom{\overset{\bullet}{0}}4970 \\ \smash{\raisebox{0.62em}{$\times$}} & 305\phantom{0} \\ \hline & 2485\phantom{0} \\ \smash{\raisebox{0.62em}{$+$}} & 1491\phantom{000} \\ \hline & \textcolor{#e03131}{\mathbf{1}\kern-0.075em\mathbf{5}\kern-0.075em\mathbf{1}\kern-0.075em\mathbf{5}\kern-0.075em\mathbf{8}\kern-0.075em\mathbf{5}\kern-0.075em\mathbf{0}\kern-0.075em} \\ & \vphantom{\underline{0}} \end{array} \qquad \begin{array}{cr} & \vphantom{\overset{\bullet}{0}}803 \\ \smash{\raisebox{0.62em}{$\times$}} & 704 \\ \hline & 3212 \\ \smash{\raisebox{0.62em}{$+$}} & 5621\phantom{00} \\ \hline & \textcolor{#e03131}{\mathbf{5}\kern-0.075em\mathbf{6}\kern-0.075em\mathbf{5}\kern-0.075em\mathbf{3}\kern-0.075em\mathbf{1}\kern-0.075em\mathbf{2}\kern-0.075em} \\ & \vphantom{\underline{0}} \end{array} \qquad \begin{array}{cr} & \vphantom{\overset{\bullet}{0}}609\phantom{0} \\ \smash{\raisebox{0.62em}{$\times$}} & 3470 \\ \hline & 4263\phantom{0} \\ \smash{\raisebox{0.62em}{$+$}} & 2436\phantom{00} \\ & 1827\phantom{000} \\ \hline & \textcolor{#e03131}{\mathbf{2}\kern-0.075em\mathbf{1}\kern-0.075em\mathbf{1}\kern-0.075em\mathbf{3}\kern-0.075em\mathbf{2}\kern-0.075em\mathbf{3}\kern-0.075em\mathbf{0}\kern-0.075em} \end{array}\] \[\begin{array}{cr} & \vphantom{\overset{\bullet}{0}}8045\phantom{0} \\ \smash{\raisebox{0.62em}{$\times$}} & 3740 \\ \hline & 32180\phantom{0} \\ \smash{\raisebox{0.62em}{$+$}} & 56315\phantom{00} \\ & 24135\phantom{000} \\ \hline & \textcolor{#e03131}{\mathbf{3}\kern-0.075em\mathbf{0}\kern-0.075em\mathbf{0}\kern-0.075em\mathbf{8}\kern-0.075em\mathbf{8}\kern-0.075em\mathbf{3}\kern-0.075em\mathbf{0}\kern-0.075em\mathbf{0}\kern-0.075em} \end{array} \qquad \begin{array}{cr} & \vphantom{\overset{\bullet}{0}}5609\phantom{0} \\ \smash{\raisebox{0.62em}{$\times$}} & 9240 \\ \hline & 22436\phantom{0} \\ \smash{\raisebox{0.62em}{$+$}} & 11218\phantom{00} \\ & 50481\phantom{000} \\ \hline & \textcolor{#e03131}{\mathbf{5}\kern-0.075em\mathbf{1}\kern-0.075em\mathbf{8}\kern-0.075em\mathbf{2}\kern-0.075em\mathbf{7}\kern-0.075em\mathbf{1}\kern-0.075em\mathbf{6}\kern-0.075em\mathbf{0}\kern-0.075em} \end{array} \qquad \begin{array}{cr} & \vphantom{\overset{\bullet}{0}}80470\phantom{0} \\ \smash{\raisebox{0.62em}{$\times$}} & 8560\phantom{0} \\ \hline & 48282\phantom{00} \\ \smash{\raisebox{0.62em}{$+$}} & 40235\phantom{000} \\ & 64376\phantom{0000} \\ \hline & \textcolor{#e03131}{\mathbf{6}\kern-0.075em\mathbf{8}\kern-0.075em\mathbf{8}\kern-0.075em\mathbf{8}\kern-0.075em\mathbf{2}\kern-0.075em\mathbf{3}\kern-0.075em\mathbf{2}\kern-0.075em\mathbf{0}\kern-0.075em\mathbf{0}\kern-0.075em} \end{array}\] \[\begin{array}{cr} & \vphantom{\overset{\bullet}{0}}3407\phantom{0} \\ \smash{\raisebox{0.62em}{$\times$}} & 9430 \\ \hline & 10221\phantom{0} \\ \smash{\raisebox{0.62em}{$+$}} & 13628\phantom{00} \\ & 30663\phantom{000} \\ \hline & \textcolor{#e03131}{\mathbf{3}\kern-0.075em\mathbf{2}\kern-0.075em\mathbf{1}\kern-0.075em\mathbf{2}\kern-0.075em\mathbf{8}\kern-0.075em\mathbf{0}\kern-0.075em\mathbf{1}\kern-0.075em\mathbf{0}\kern-0.075em} \end{array} \qquad \begin{array}{cr} & \vphantom{\overset{\bullet}{0}}7006\phantom{0} \\ \smash{\raisebox{0.62em}{$\times$}} & 8450 \\ \hline & 35030\phantom{0} \\ \smash{\raisebox{0.62em}{$+$}} & 28024\phantom{00} \\ & 56048\phantom{000} \\ \hline & \textcolor{#e03131}{\mathbf{5}\kern-0.075em\mathbf{9}\kern-0.075em\mathbf{2}\kern-0.075em\mathbf{0}\kern-0.075em\mathbf{0}\kern-0.075em\mathbf{7}\kern-0.075em\mathbf{0}\kern-0.075em\mathbf{0}\kern-0.075em} \end{array} \qquad \begin{array}{cr} & \vphantom{\overset{\bullet}{0}}90460\phantom{0} \\ \smash{\raisebox{0.62em}{$\times$}} & 3570\phantom{0} \\ \hline & 63322\phantom{00} \\ \smash{\raisebox{0.62em}{$+$}} & 45230\phantom{000} \\ & 27138\phantom{0000} \\ \hline & \textcolor{#e03131}{\mathbf{3}\kern-0.075em\mathbf{2}\kern-0.075em\mathbf{2}\kern-0.075em\mathbf{9}\kern-0.075em\mathbf{4}\kern-0.075em\mathbf{2}\kern-0.075em\mathbf{2}\kern-0.075em\mathbf{0}\kern-0.075em\mathbf{0}\kern-0.075em} \end{array}\]

Решение подготовила Ольга Васильева, учитель математики первой категории
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