4класс

Страница 31, ГДЗ по математике за 4 класс к тренажёру Конновой

Умножение и деление многозначных чисел

1. Вычисли.

\[\begin{array}{cr} & \vphantom{\overset{\bullet}{0}}125 \\ \smash{\raisebox{0.62em}{$\times$}} & 6 \\ \hline\hline \kern-0.5em\rule[-0.36em]{0.04em}{1.2em}\kern0.46em\hphantom{\times} & \raisebox{-0.08em}{$\textcolor{#e03131}{\mathbf{7}\kern-0.075em\mathbf{5}\kern-0.075em\mathbf{0}\kern-0.075em}$}\kern0.46em\rule[-0.36em]{0.04em}{1.2em}\kern-0.5em \\ \hline \end{array} \qquad \begin{array}{cr} & \vphantom{\overset{\bullet}{0}}166 \\ \smash{\raisebox{0.62em}{$\times$}} & 8 \\ \hline\hline \kern-0.5em\rule[-0.36em]{0.04em}{1.2em}\kern0.46em\hphantom{\times} & \raisebox{-0.08em}{$\textcolor{#e03131}{\mathbf{1}\kern-0.075em\mathbf{3}\kern-0.075em\mathbf{2}\kern-0.075em\mathbf{8}\kern-0.075em}$}\kern0.46em\rule[-0.36em]{0.04em}{1.2em}\kern-0.5em \\ \hline \end{array} \qquad \begin{array}{cr} & \vphantom{\overset{\bullet}{0}}180 \\ \smash{\raisebox{0.62em}{$\times$}} & 9\phantom{0} \\ \hline\hline \kern-0.5em\rule[-0.36em]{0.04em}{1.2em}\kern0.46em\hphantom{\times} & \raisebox{-0.08em}{$\textcolor{#e03131}{\mathbf{1}\kern-0.075em\mathbf{6}\kern-0.075em\mathbf{2}\kern-0.075em\mathbf{0}\kern-0.075em}$}\kern0.46em\rule[-0.36em]{0.04em}{1.2em}\kern-0.5em \\ \hline \end{array} \qquad \begin{array}{cr} & \vphantom{\overset{\bullet}{0}}333 \\ \smash{\raisebox{0.62em}{$\times$}} & 6 \\ \hline\hline \kern-0.5em\rule[-0.36em]{0.04em}{1.2em}\kern0.46em\hphantom{\times} & \raisebox{-0.08em}{$\textcolor{#e03131}{\mathbf{1}\kern-0.075em\mathbf{9}\kern-0.075em\mathbf{9}\kern-0.075em\mathbf{8}\kern-0.075em}$}\kern0.46em\rule[-0.36em]{0.04em}{1.2em}\kern-0.5em \\ \hline \end{array}\] \[\begin{array}{cr} & \vphantom{\overset{\bullet}{0}}117 \\ \smash{\raisebox{0.62em}{$\times$}} & 8 \\ \hline\hline \kern-0.5em\rule[-0.36em]{0.04em}{1.2em}\kern0.46em\hphantom{\times} & \raisebox{-0.08em}{$\textcolor{#e03131}{\mathbf{9}\kern-0.075em\mathbf{3}\kern-0.075em\mathbf{6}\kern-0.075em}$}\kern0.46em\rule[-0.36em]{0.04em}{1.2em}\kern-0.5em \\ \hline \end{array} \qquad \begin{array}{cr} & \vphantom{\overset{\bullet}{0}}767 \\ \smash{\raisebox{0.62em}{$\times$}} & 2 \\ \hline\hline \kern-0.5em\rule[-0.36em]{0.04em}{1.2em}\kern0.46em\hphantom{\times} & \raisebox{-0.08em}{$\textcolor{#e03131}{\mathbf{1}\kern-0.075em\mathbf{5}\kern-0.075em\mathbf{3}\kern-0.075em\mathbf{4}\kern-0.075em}$}\kern0.46em\rule[-0.36em]{0.04em}{1.2em}\kern-0.5em \\ \hline \end{array} \qquad \begin{array}{cr} & \vphantom{\overset{\bullet}{0}}784 \\ \smash{\raisebox{0.62em}{$\times$}} & 5 \\ \hline\hline \kern-0.5em\rule[-0.36em]{0.04em}{1.2em}\kern0.46em\hphantom{\times} & \raisebox{-0.08em}{$\textcolor{#e03131}{\mathbf{3}\kern-0.075em\mathbf{9}\kern-0.075em\mathbf{2}\kern-0.075em\mathbf{0}\kern-0.075em}$}\kern0.46em\rule[-0.36em]{0.04em}{1.2em}\kern-0.5em \\ \hline \end{array} \qquad \begin{array}{cr} & \vphantom{\overset{\bullet}{0}}290 \\ \smash{\raisebox{0.62em}{$\times$}} & 3\phantom{0} \\ \hline\hline \kern-0.5em\rule[-0.36em]{0.04em}{1.2em}\kern0.46em\hphantom{\times} & \raisebox{-0.08em}{$\textcolor{#e03131}{\mathbf{8}\kern-0.075em\mathbf{7}\kern-0.075em\mathbf{0}\kern-0.075em}$}\kern0.46em\rule[-0.36em]{0.04em}{1.2em}\kern-0.5em \\ \hline \end{array}\] \[\begin{array}{cr} & \vphantom{\overset{\bullet}{0}}135 \\ \smash{\raisebox{0.62em}{$\times$}} & 7 \\ \hline\hline \kern-0.5em\rule[-0.36em]{0.04em}{1.2em}\kern0.46em\hphantom{\times} & \raisebox{-0.08em}{$\textcolor{#e03131}{\mathbf{9}\kern-0.075em\mathbf{4}\kern-0.075em\mathbf{5}\kern-0.075em}$}\kern0.46em\rule[-0.36em]{0.04em}{1.2em}\kern-0.5em \\ \hline \end{array} \qquad \begin{array}{cr} & \vphantom{\overset{\bullet}{0}}190 \\ \smash{\raisebox{0.62em}{$\times$}} & 4\phantom{0} \\ \hline\hline \kern-0.5em\rule[-0.36em]{0.04em}{1.2em}\kern0.46em\hphantom{\times} & \raisebox{-0.08em}{$\textcolor{#e03131}{\mathbf{7}\kern-0.075em\mathbf{6}\kern-0.075em\mathbf{0}\kern-0.075em}$}\kern0.46em\rule[-0.36em]{0.04em}{1.2em}\kern-0.5em \\ \hline \end{array} \qquad \begin{array}{cr} & \vphantom{\overset{\bullet}{0}}487 \\ \smash{\raisebox{0.62em}{$\times$}} & 5 \\ \hline\hline \kern-0.5em\rule[-0.36em]{0.04em}{1.2em}\kern0.46em\hphantom{\times} & \raisebox{-0.08em}{$\textcolor{#e03131}{\mathbf{2}\kern-0.075em\mathbf{4}\kern-0.075em\mathbf{3}\kern-0.075em\mathbf{5}\kern-0.075em}$}\kern0.46em\rule[-0.36em]{0.04em}{1.2em}\kern-0.5em \\ \hline \end{array} \qquad \begin{array}{cr} & \vphantom{\overset{\bullet}{0}}808 \\ \smash{\raisebox{0.62em}{$\times$}} & 2 \\ \hline\hline \kern-0.5em\rule[-0.36em]{0.04em}{1.2em}\kern0.46em\hphantom{\times} & \raisebox{-0.08em}{$\textcolor{#e03131}{\mathbf{1}\kern-0.075em\mathbf{6}\kern-0.075em\mathbf{1}\kern-0.075em\mathbf{6}\kern-0.075em}$}\kern0.46em\rule[-0.36em]{0.04em}{1.2em}\kern-0.5em \\ \hline \end{array}\] \[\begin{array}{cr} & \vphantom{\overset{\bullet}{0}}250 \\ \smash{\raisebox{0.62em}{$\times$}} & 4\phantom{0} \\ \hline\hline \kern-0.5em\rule[-0.36em]{0.04em}{1.2em}\kern0.46em\hphantom{\times} & \raisebox{-0.08em}{$\textcolor{#e03131}{\mathbf{1}\kern-0.075em\mathbf{0}\kern-0.075em\mathbf{0}\kern-0.075em\mathbf{0}\kern-0.075em}$}\kern0.46em\rule[-0.36em]{0.04em}{1.2em}\kern-0.5em \\ \hline \end{array} \qquad \begin{array}{cr} & \vphantom{\overset{\bullet}{0}}409 \\ \smash{\raisebox{0.62em}{$\times$}} & 6 \\ \hline\hline \kern-0.5em\rule[-0.36em]{0.04em}{1.2em}\kern0.46em\hphantom{\times} & \raisebox{-0.08em}{$\textcolor{#e03131}{\mathbf{2}\kern-0.075em\mathbf{4}\kern-0.075em\mathbf{5}\kern-0.075em\mathbf{4}\kern-0.075em}$}\kern0.46em\rule[-0.36em]{0.04em}{1.2em}\kern-0.5em \\ \hline \end{array} \qquad \begin{array}{cr} & \vphantom{\overset{\bullet}{0}}907 \\ \smash{\raisebox{0.62em}{$\times$}} & 9 \\ \hline\hline \kern-0.5em\rule[-0.36em]{0.04em}{1.2em}\kern0.46em\hphantom{\times} & \raisebox{-0.08em}{$\textcolor{#e03131}{\mathbf{8}\kern-0.075em\mathbf{1}\kern-0.075em\mathbf{6}\kern-0.075em\mathbf{3}\kern-0.075em}$}\kern0.46em\rule[-0.36em]{0.04em}{1.2em}\kern-0.5em \\ \hline \end{array} \qquad \begin{array}{cr} & \vphantom{\overset{\bullet}{0}}543 \\ \smash{\raisebox{0.62em}{$\times$}} & 7 \\ \hline\hline \kern-0.5em\rule[-0.36em]{0.04em}{1.2em}\kern0.46em\hphantom{\times} & \raisebox{-0.08em}{$\textcolor{#e03131}{\mathbf{3}\kern-0.075em\mathbf{8}\kern-0.075em\mathbf{0}\kern-0.075em\mathbf{1}\kern-0.075em}$}\kern0.46em\rule[-0.36em]{0.04em}{1.2em}\kern-0.5em \\ \hline \end{array}\] \[\begin{array}{cr} & \vphantom{\overset{\bullet}{0}}206 \\ \smash{\raisebox{0.62em}{$\times$}} & 8 \\ \hline\hline \kern-0.5em\rule[-0.36em]{0.04em}{1.2em}\kern0.46em\hphantom{\times} & \raisebox{-0.08em}{$\textcolor{#e03131}{\mathbf{1}\kern-0.075em\mathbf{6}\kern-0.075em\mathbf{4}\kern-0.075em\mathbf{8}\kern-0.075em}$}\kern0.46em\rule[-0.36em]{0.04em}{1.2em}\kern-0.5em \\ \hline \end{array} \qquad \begin{array}{cr} & \vphantom{\overset{\bullet}{0}}328 \\ \smash{\raisebox{0.62em}{$\times$}} & 7 \\ \hline\hline \kern-0.5em\rule[-0.36em]{0.04em}{1.2em}\kern0.46em\hphantom{\times} & \raisebox{-0.08em}{$\textcolor{#e03131}{\mathbf{2}\kern-0.075em\mathbf{2}\kern-0.075em\mathbf{9}\kern-0.075em\mathbf{6}\kern-0.075em}$}\kern0.46em\rule[-0.36em]{0.04em}{1.2em}\kern-0.5em \\ \hline \end{array} \qquad \begin{array}{cr} & \vphantom{\overset{\bullet}{0}}862 \\ \smash{\raisebox{0.62em}{$\times$}} & 5 \\ \hline\hline \kern-0.5em\rule[-0.36em]{0.04em}{1.2em}\kern0.46em\hphantom{\times} & \raisebox{-0.08em}{$\textcolor{#e03131}{\mathbf{4}\kern-0.075em\mathbf{3}\kern-0.075em\mathbf{1}\kern-0.075em\mathbf{0}\kern-0.075em}$}\kern0.46em\rule[-0.36em]{0.04em}{1.2em}\kern-0.5em \\ \hline \end{array} \qquad \begin{array}{cr} & \vphantom{\overset{\bullet}{0}}680 \\ \smash{\raisebox{0.62em}{$\times$}} & 3\phantom{0} \\ \hline\hline \kern-0.5em\rule[-0.36em]{0.04em}{1.2em}\kern0.46em\hphantom{\times} & \raisebox{-0.08em}{$\textcolor{#e03131}{\mathbf{2}\kern-0.075em\mathbf{0}\kern-0.075em\mathbf{4}\kern-0.075em\mathbf{0}\kern-0.075em}$}\kern0.46em\rule[-0.36em]{0.04em}{1.2em}\kern-0.5em \\ \hline \end{array}\] \[\begin{array}{cr} & \vphantom{\overset{\bullet}{0}}729 \\ \smash{\raisebox{0.62em}{$\times$}} & 2 \\ \hline\hline \kern-0.5em\rule[-0.36em]{0.04em}{1.2em}\kern0.46em\hphantom{\times} & \raisebox{-0.08em}{$\textcolor{#e03131}{\mathbf{1}\kern-0.075em\mathbf{4}\kern-0.075em\mathbf{5}\kern-0.075em\mathbf{8}\kern-0.075em}$}\kern0.46em\rule[-0.36em]{0.04em}{1.2em}\kern-0.5em \\ \hline \end{array} \qquad \begin{array}{cr} & \vphantom{\overset{\bullet}{0}}430 \\ \smash{\raisebox{0.62em}{$\times$}} & 4\phantom{0} \\ \hline\hline \kern-0.5em\rule[-0.36em]{0.04em}{1.2em}\kern0.46em\hphantom{\times} & \raisebox{-0.08em}{$\textcolor{#e03131}{\mathbf{1}\kern-0.075em\mathbf{7}\kern-0.075em\mathbf{2}\kern-0.075em\mathbf{0}\kern-0.075em}$}\kern0.46em\rule[-0.36em]{0.04em}{1.2em}\kern-0.5em \\ \hline \end{array} \qquad \begin{array}{cr} & \vphantom{\overset{\bullet}{0}}534 \\ \smash{\raisebox{0.62em}{$\times$}} & 6 \\ \hline\hline \kern-0.5em\rule[-0.36em]{0.04em}{1.2em}\kern0.46em\hphantom{\times} & \raisebox{-0.08em}{$\textcolor{#e03131}{\mathbf{3}\kern-0.075em\mathbf{2}\kern-0.075em\mathbf{0}\kern-0.075em\mathbf{4}\kern-0.075em}$}\kern0.46em\rule[-0.36em]{0.04em}{1.2em}\kern-0.5em \\ \hline \end{array} \qquad \begin{array}{cr} & \vphantom{\overset{\bullet}{0}}203 \\ \smash{\raisebox{0.62em}{$\times$}} & 9 \\ \hline\hline \kern-0.5em\rule[-0.36em]{0.04em}{1.2em}\kern0.46em\hphantom{\times} & \raisebox{-0.08em}{$\textcolor{#e03131}{\mathbf{1}\kern-0.075em\mathbf{8}\kern-0.075em\mathbf{2}\kern-0.075em\mathbf{7}\kern-0.075em}$}\kern0.46em\rule[-0.36em]{0.04em}{1.2em}\kern-0.5em \\ \hline \end{array}\]

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