3класс

Страница 53, ГДЗ по математике за 3 класс к тренажёру Погореловой

Сложение и вычитание. Приёмы письменных вычислений

2. Реши примеры.

\[\begin{array}{cr} & \vphantom{\overset{\bullet}{0}}\overset{\textcolor{#1c7ed6}{\bullet}}{\textcolor{#1c7ed6}{5}}\overset{\textcolor{#1c7ed6}{\bullet}}{\textcolor{#1c7ed6}{8}}7 \\ \smash{\raisebox{0.62em}{$+$}} & 34 \\ \hline & \textcolor{#e03131}{\mathbf{6}\kern-0.075em\mathbf{2}\kern-0.075em\mathbf{1}\kern-0.075em} \end{array} \qquad \begin{array}{cr} & \vphantom{\overset{\bullet}{0}}\overset{\textcolor{#1c7ed6}{\bullet}}{\textcolor{#1c7ed6}{8}}\overset{\textcolor{#1c7ed6}{\bullet}}{\textcolor{#1c7ed6}{6}}9 \\ \smash{\raisebox{0.62em}{$+$}} & 43 \\ \hline & \textcolor{#e03131}{\mathbf{9}\kern-0.075em\mathbf{1}\kern-0.075em\mathbf{2}\kern-0.075em} \end{array} \qquad \begin{array}{cr} & \vphantom{\overset{\bullet}{0}}\overset{\textcolor{#1c7ed6}{\bullet}}{\textcolor{#1c7ed6}{6}}\overset{\textcolor{#1c7ed6}{\bullet}}{\textcolor{#1c7ed6}{5}}8 \\ \smash{\raisebox{0.62em}{$+$}} & 64 \\ \hline & \textcolor{#e03131}{\mathbf{7}\kern-0.075em\mathbf{2}\kern-0.075em\mathbf{2}\kern-0.075em} \end{array} \qquad \begin{array}{cr} & \vphantom{\overset{\bullet}{0}}\overset{\textcolor{#1c7ed6}{\bullet}}{\textcolor{#1c7ed6}{3}}\overset{\textcolor{#1c7ed6}{\bullet}}{\textcolor{#1c7ed6}{7}}6 \\ \smash{\raisebox{0.62em}{$+$}} & 245 \\ \hline & \textcolor{#e03131}{\mathbf{6}\kern-0.075em\mathbf{2}\kern-0.075em\mathbf{1}\kern-0.075em} \end{array}\] \[\begin{array}{cr} & \vphantom{\overset{\bullet}{0}}7\overset{\textcolor{#1c7ed6}{\bullet}}{\textcolor{#1c7ed6}{4}}2 \\ \smash{\raisebox{0.62em}{$-$}} & 537 \\ \hline & \textcolor{#e03131}{\mathbf{2}\kern-0.075em\mathbf{0}\kern-0.075em\mathbf{5}\kern-0.075em} \end{array} \qquad \begin{array}{cr} & \vphantom{\overset{\bullet}{0}}5\overset{\textcolor{#1c7ed6}{\bullet}}{\textcolor{#1c7ed6}{3}}6 \\ \smash{\raisebox{0.62em}{$-$}} & 228 \\ \hline & \textcolor{#e03131}{\mathbf{3}\kern-0.075em\mathbf{0}\kern-0.075em\mathbf{8}\kern-0.075em} \end{array} \qquad \begin{array}{cr} & \vphantom{\overset{\bullet}{0}}8\overset{\textcolor{#1c7ed6}{\bullet}}{\textcolor{#1c7ed6}{2}}5 \\ \smash{\raisebox{0.62em}{$-$}} & 619 \\ \hline & \textcolor{#e03131}{\mathbf{2}\kern-0.075em\mathbf{0}\kern-0.075em\mathbf{6}\kern-0.075em} \end{array} \qquad \begin{array}{cr} & \vphantom{\overset{\bullet}{0}}\overset{\textcolor{#1c7ed6}{\bullet}}{\textcolor{#1c7ed6}{4}}35 \\ \smash{\raisebox{0.62em}{$-$}} & 195 \\ \hline & \textcolor{#e03131}{\mathbf{2}\kern-0.075em\mathbf{4}\kern-0.075em\mathbf{0}\kern-0.075em} \end{array}\] \[\begin{array}{cr} & \vphantom{\overset{\bullet}{0}}\overset{\textcolor{#1c7ed6}{\bullet}}{\textcolor{#1c7ed6}{8}}40 \\ \smash{\raisebox{0.62em}{$-$}} & 370 \\ \hline & \textcolor{#e03131}{\mathbf{4}\kern-0.075em\mathbf{7}\kern-0.075em\mathbf{0}\kern-0.075em} \end{array} \qquad \begin{array}{cr} & \vphantom{\overset{\bullet}{0}}6\overset{\textcolor{#1c7ed6}{\bullet}}{\textcolor{#1c7ed6}{5}}0 \\ \smash{\raisebox{0.62em}{$-$}} & 235 \\ \hline & \textcolor{#e03131}{\mathbf{4}\kern-0.075em\mathbf{1}\kern-0.075em\mathbf{5}\kern-0.075em} \end{array} \qquad \begin{array}{cr} & \vphantom{\overset{\bullet}{0}}\overset{\textcolor{#1c7ed6}{\bullet}}{\textcolor{#1c7ed6}{9}}\overset{\textcolor{#1c7ed6}{\bullet}}{\textcolor{#1c7ed6}{2}}0 \\ \smash{\raisebox{0.62em}{$-$}} & 574 \\ \hline & \textcolor{#e03131}{\mathbf{3}\kern-0.075em\mathbf{4}\kern-0.075em\mathbf{6}\kern-0.075em} \end{array} \qquad \begin{array}{cr} & \vphantom{\overset{\bullet}{0}}\overset{\textcolor{#1c7ed6}{\bullet}}{\textcolor{#1c7ed6}{7}}\overset{\textcolor{#1c7ed6}{\bullet}}{\textcolor{#1c7ed6}{3}}0 \\ \smash{\raisebox{0.62em}{$-$}} & 472 \\ \hline & \textcolor{#e03131}{\mathbf{2}\kern-0.075em\mathbf{5}\kern-0.075em\mathbf{8}\kern-0.075em} \end{array}\] \[\begin{array}{cr} & \vphantom{\overset{\bullet}{0}}\overset{\textcolor{#1c7ed6}{\bullet}}{\textcolor{#1c7ed6}{7}}\overset{\textcolor{#1c7ed6}{\bullet}}{\textcolor{#1c7ed6}{0}}3 \\ \smash{\raisebox{0.62em}{$-$}} & 347 \\ \hline & \textcolor{#e03131}{\mathbf{3}\kern-0.075em\mathbf{5}\kern-0.075em\mathbf{6}\kern-0.075em} \end{array} \qquad \begin{array}{cr} & \vphantom{\overset{\bullet}{0}}\overset{\textcolor{#1c7ed6}{\bullet}}{\textcolor{#1c7ed6}{8}}\overset{\textcolor{#1c7ed6}{\bullet}}{\textcolor{#1c7ed6}{0}}4 \\ \smash{\raisebox{0.62em}{$-$}} & 458 \\ \hline & \textcolor{#e03131}{\mathbf{3}\kern-0.075em\mathbf{4}\kern-0.075em\mathbf{6}\kern-0.075em} \end{array} \qquad \begin{array}{cr} & \vphantom{\overset{\bullet}{0}}\overset{\textcolor{#1c7ed6}{\bullet}}{\textcolor{#1c7ed6}{6}}\overset{\textcolor{#1c7ed6}{\bullet}}{\textcolor{#1c7ed6}{0}}7 \\ \smash{\raisebox{0.62em}{$-$}} & 239 \\ \hline & \textcolor{#e03131}{\mathbf{3}\kern-0.075em\mathbf{6}\kern-0.075em\mathbf{8}\kern-0.075em} \end{array} \qquad \begin{array}{cr} & \vphantom{\overset{\bullet}{0}}\overset{\textcolor{#1c7ed6}{\bullet}}{\textcolor{#1c7ed6}{5}}\overset{\textcolor{#1c7ed6}{\bullet}}{\textcolor{#1c7ed6}{0}}0 \\ \smash{\raisebox{0.62em}{$-$}} & 361 \\ \hline & \textcolor{#e03131}{\mathbf{1}\kern-0.075em\mathbf{3}\kern-0.075em\mathbf{9}\kern-0.075em} \end{array}\] \[\begin{array}{cr} & \vphantom{\overset{\bullet}{0}}\overset{\textcolor{#1c7ed6}{\bullet}}{\textcolor{#1c7ed6}{4}}\overset{\textcolor{#1c7ed6}{\bullet}}{\textcolor{#1c7ed6}{8}}6 \\ \smash{\raisebox{0.62em}{$+$}} & 325 \\ \hline & \textcolor{#e03131}{\mathbf{8}\kern-0.075em\mathbf{1}\kern-0.075em\mathbf{1}\kern-0.075em} \end{array} \qquad \begin{array}{cr} & \vphantom{\overset{\bullet}{0}}\overset{\textcolor{#1c7ed6}{\bullet}}{\textcolor{#1c7ed6}{8}}\overset{\textcolor{#1c7ed6}{\bullet}}{\textcolor{#1c7ed6}{0}}4 \\ \smash{\raisebox{0.62em}{$-$}} & 327 \\ \hline & \textcolor{#e03131}{\mathbf{4}\kern-0.075em\mathbf{7}\kern-0.075em\mathbf{7}\kern-0.075em} \end{array} \qquad \begin{array}{cr} & \vphantom{\overset{\bullet}{0}}\overset{\textcolor{#1c7ed6}{\bullet}}{\textcolor{#1c7ed6}{2}}\overset{\textcolor{#1c7ed6}{\bullet}}{\textcolor{#1c7ed6}{6}}9 \\ \smash{\raisebox{0.62em}{$+$}} & 536 \\ \hline & \textcolor{#e03131}{\mathbf{8}\kern-0.075em\mathbf{0}\kern-0.075em\mathbf{5}\kern-0.075em} \end{array} \qquad \begin{array}{cr} & \vphantom{\overset{\bullet}{0}}\overset{\textcolor{#1c7ed6}{\bullet}}{\textcolor{#1c7ed6}{8}}\overset{\textcolor{#1c7ed6}{\bullet}}{\textcolor{#1c7ed6}{0}}0 \\ \smash{\raisebox{0.62em}{$-$}} & 274 \\ \hline & \textcolor{#e03131}{\mathbf{5}\kern-0.075em\mathbf{2}\kern-0.075em\mathbf{6}\kern-0.075em} \end{array}\] \[\begin{array}{cr} & \vphantom{\overset{\bullet}{0}}\overset{\textcolor{#1c7ed6}{\bullet}}{\textcolor{#1c7ed6}{7}}\overset{\textcolor{#1c7ed6}{\bullet}}{\textcolor{#1c7ed6}{0}}6 \\ \smash{\raisebox{0.62em}{$-$}} & 399 \\ \hline & \textcolor{#e03131}{\mathbf{3}\kern-0.075em\mathbf{0}\kern-0.075em\mathbf{7}\kern-0.075em} \end{array} \qquad \begin{array}{cr} & \vphantom{\overset{\bullet}{0}}\overset{\textcolor{#1c7ed6}{\bullet}}{\textcolor{#1c7ed6}{5}}74 \\ \smash{\raisebox{0.62em}{$+$}} & 375 \\ \hline & \textcolor{#e03131}{\mathbf{9}\kern-0.075em\mathbf{4}\kern-0.075em\mathbf{9}\kern-0.075em} \end{array} \qquad \begin{array}{cr} & \vphantom{\overset{\bullet}{0}}\overset{\textcolor{#1c7ed6}{\bullet}}{\textcolor{#1c7ed6}{6}}\overset{\textcolor{#1c7ed6}{\bullet}}{\textcolor{#1c7ed6}{0}}0 \\ \smash{\raisebox{0.62em}{$-$}} & 178 \\ \hline & \textcolor{#e03131}{\mathbf{4}\kern-0.075em\mathbf{2}\kern-0.075em\mathbf{2}\kern-0.075em} \end{array} \qquad \begin{array}{cr} & \vphantom{\overset{\bullet}{0}}\overset{\textcolor{#1c7ed6}{\bullet}}{\textcolor{#1c7ed6}{6}}\overset{\textcolor{#1c7ed6}{\bullet}}{\textcolor{#1c7ed6}{4}}7 \\ \smash{\raisebox{0.62em}{$+$}} & 153 \\ \hline & \textcolor{#e03131}{\mathbf{8}\kern-0.075em\mathbf{0}\kern-0.075em\mathbf{0}\kern-0.075em} \end{array}\] \[\begin{array}{cr} & \vphantom{\overset{\bullet}{0}}\overset{\textcolor{#1c7ed6}{\bullet}}{\textcolor{#1c7ed6}{3}}\overset{\textcolor{#1c7ed6}{\bullet}}{\textcolor{#1c7ed6}{4}}7 \\ \smash{\raisebox{0.62em}{$+$}} & 353 \\ \hline & \textcolor{#e03131}{\mathbf{7}\kern-0.075em\mathbf{0}\kern-0.075em\mathbf{0}\kern-0.075em} \end{array} \qquad \begin{array}{cr} & \vphantom{\overset{\bullet}{0}}\overset{\textcolor{#1c7ed6}{\bullet}}{\textcolor{#1c7ed6}{6}}\overset{\textcolor{#1c7ed6}{\bullet}}{\textcolor{#1c7ed6}{0}}1 \\ \smash{\raisebox{0.62em}{$-$}} & 248 \\ \hline & \textcolor{#e03131}{\mathbf{3}\kern-0.075em\mathbf{5}\kern-0.075em\mathbf{3}\kern-0.075em} \end{array} \qquad \begin{array}{cr} & \vphantom{\overset{\bullet}{0}}\overset{\textcolor{#1c7ed6}{\bullet}}{\textcolor{#1c7ed6}{5}}\overset{\textcolor{#1c7ed6}{\bullet}}{\textcolor{#1c7ed6}{7}}4 \\ \smash{\raisebox{0.62em}{$+$}} & 249 \\ \hline & \textcolor{#e03131}{\mathbf{8}\kern-0.075em\mathbf{2}\kern-0.075em\mathbf{3}\kern-0.075em} \end{array} \qquad \begin{array}{cr} & \vphantom{\overset{\bullet}{0}}\overset{\textcolor{#1c7ed6}{\bullet}}{\textcolor{#1c7ed6}{9}}\overset{\textcolor{#1c7ed6}{\bullet}}{\textcolor{#1c7ed6}{0}}0 \\ \smash{\raisebox{0.62em}{$-$}} & 726 \\ \hline & \textcolor{#e03131}{\mathbf{1}\kern-0.075em\mathbf{7}\kern-0.075em\mathbf{4}\kern-0.075em} \end{array}\] \[\begin{array}{cr} & \vphantom{\overset{\bullet}{0}}6\overset{\textcolor{#1c7ed6}{\bullet}}{\textcolor{#1c7ed6}{5}}1 \\ \smash{\raisebox{0.62em}{$-$}} & 346 \\ \hline & \textcolor{#e03131}{\mathbf{3}\kern-0.075em\mathbf{0}\kern-0.075em\mathbf{5}\kern-0.075em} \end{array} \qquad \begin{array}{cr} & \vphantom{\overset{\bullet}{0}}\overset{\textcolor{#1c7ed6}{\bullet}}{\textcolor{#1c7ed6}{4}}\overset{\textcolor{#1c7ed6}{\bullet}}{\textcolor{#1c7ed6}{9}}5 \\ \smash{\raisebox{0.62em}{$+$}} & 327 \\ \hline & \textcolor{#e03131}{\mathbf{8}\kern-0.075em\mathbf{2}\kern-0.075em\mathbf{2}\kern-0.075em} \end{array} \qquad \begin{array}{cr} & \vphantom{\overset{\bullet}{0}}\overset{\textcolor{#1c7ed6}{\bullet}}{\textcolor{#1c7ed6}{5}}\overset{\textcolor{#1c7ed6}{\bullet}}{\textcolor{#1c7ed6}{4}}0 \\ \smash{\raisebox{0.62em}{$-$}} & 187 \\ \hline & \textcolor{#e03131}{\mathbf{3}\kern-0.075em\mathbf{5}\kern-0.075em\mathbf{3}\kern-0.075em} \end{array} \qquad \begin{array}{cr} & \vphantom{\overset{\bullet}{0}}\overset{\textcolor{#1c7ed6}{\bullet}}{\textcolor{#1c7ed6}{3}}\overset{\textcolor{#1c7ed6}{\bullet}}{\textcolor{#1c7ed6}{5}}7 \\ \smash{\raisebox{0.62em}{$+$}} & 268 \\ \hline & \textcolor{#e03131}{\mathbf{6}\kern-0.075em\mathbf{2}\kern-0.075em\mathbf{5}\kern-0.075em} \end{array}\]

Решение подготовила Ольга Хромова, учитель начальных классов
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