Страница 49, ГДЗ по математике за 3 класс к тренажёру Погореловой

\[{\def\arraystretch{1.6}\begin{array}{ll} \boxed{\kern0.035em\textcolor{#e03131}{\mathbf{2}}\kern0.035em}\hspace{-0.04em}\boxed{\kern0.035em\textcolor{#e03131}{\mathbf{9}}\kern0.035em}\hspace{-0.04em}\boxed{\kern0.035em\textcolor{#e03131}{\mathbf{9}}\kern0.035em} \quad 300 \quad \boxed{\kern0.035em\textcolor{#e03131}{\mathbf{3}}\kern0.035em}\hspace{-0.04em}\boxed{\kern0.035em\textcolor{#e03131}{\mathbf{0}}\kern0.035em}\hspace{-0.04em}\boxed{\kern0.035em\textcolor{#e03131}{\mathbf{1}}\kern0.035em} & \qquad \boxed{\kern0.035em\textcolor{#e03131}{\mathbf{7}}\kern0.035em}\hspace{-0.04em}\boxed{\kern0.035em\textcolor{#e03131}{\mathbf{8}}\kern0.035em}\hspace{-0.04em}\boxed{\kern0.035em\textcolor{#e03131}{\mathbf{8}}\kern0.035em} \quad 789 \quad \boxed{\kern0.035em\textcolor{#e03131}{\mathbf{7}}\kern0.035em}\hspace{-0.04em}\boxed{\kern0.035em\textcolor{#e03131}{\mathbf{9}}\kern0.035em}\hspace{-0.04em}\boxed{\kern0.035em\textcolor{#e03131}{\mathbf{0}}\kern0.035em} \\ \boxed{\kern0.035em\textcolor{#e03131}{\mathbf{5}}\kern0.035em}\hspace{-0.04em}\boxed{\kern0.035em\textcolor{#e03131}{\mathbf{9}}\kern0.035em}\hspace{-0.04em}\boxed{\kern0.035em\textcolor{#e03131}{\mathbf{8}}\kern0.035em} \quad 599 \quad \boxed{\kern0.035em\textcolor{#e03131}{\mathbf{6}}\kern0.035em}\hspace{-0.04em}\boxed{\kern0.035em\textcolor{#e03131}{\mathbf{0}}\kern0.035em}\hspace{-0.04em}\boxed{\kern0.035em\textcolor{#e03131}{\mathbf{0}}\kern0.035em} & \qquad \boxed{\kern0.035em\textcolor{#e03131}{\mathbf{7}}\kern0.035em}\hspace{-0.04em}\boxed{\kern0.035em\textcolor{#e03131}{\mathbf{9}}\kern0.035em}\hspace{-0.04em}\boxed{\kern0.035em\textcolor{#e03131}{\mathbf{9}}\kern0.035em} \quad 800 \quad \boxed{\kern0.035em\textcolor{#e03131}{\mathbf{8}}\kern0.035em}\hspace{-0.04em}\boxed{\kern0.035em\textcolor{#e03131}{\mathbf{0}}\kern0.035em}\hspace{-0.04em}\boxed{\kern0.035em\textcolor{#e03131}{\mathbf{1}}\kern0.035em} \\ \boxed{\kern0.035em\textcolor{#e03131}{\mathbf{9}}\kern0.035em}\hspace{-0.04em}\boxed{\kern0.035em\textcolor{#e03131}{\mathbf{0}}\kern0.035em}\hspace{-0.04em}\boxed{\kern0.035em\textcolor{#e03131}{\mathbf{9}}\kern0.035em} \quad 910 \quad \boxed{\kern0.035em\textcolor{#e03131}{\mathbf{9}}\kern0.035em}\hspace{-0.04em}\boxed{\kern0.035em\textcolor{#e03131}{\mathbf{1}}\kern0.035em}\hspace{-0.04em}\boxed{\kern0.035em\textcolor{#e03131}{\mathbf{1}}\kern0.035em} & \qquad \boxed{\kern0.035em\textcolor{#e03131}{\mathbf{4}}\kern0.035em}\hspace{-0.04em}\boxed{\kern0.035em\textcolor{#e03131}{\mathbf{2}}\kern0.035em}\hspace{-0.04em}\boxed{\kern0.035em\textcolor{#e03131}{\mathbf{8}}\kern0.035em} \quad 429 \quad \boxed{\kern0.035em\textcolor{#e03131}{\mathbf{4}}\kern0.035em}\hspace{-0.04em}\boxed{\kern0.035em\textcolor{#e03131}{\mathbf{3}}\kern0.035em}\hspace{-0.04em}\boxed{\kern0.035em\textcolor{#e03131}{\mathbf{0}}\kern0.035em} \\ \boxed{\kern0.035em\textcolor{#e03131}{\mathbf{6}}\kern0.035em}\hspace{-0.04em}\boxed{\kern0.035em\textcolor{#e03131}{\mathbf{9}}\kern0.035em}\hspace{-0.04em}\boxed{\kern0.035em\textcolor{#e03131}{\mathbf{9}}\kern0.035em} \quad 700 \quad \boxed{\kern0.035em\textcolor{#e03131}{\mathbf{7}}\kern0.035em}\hspace{-0.04em}\boxed{\kern0.035em\textcolor{#e03131}{\mathbf{0}}\kern0.035em}\hspace{-0.04em}\boxed{\kern0.035em\textcolor{#e03131}{\mathbf{1}}\kern0.035em} & \qquad \boxed{\kern0.035em\textcolor{#e03131}{\mathbf{5}}\kern0.035em}\hspace{-0.04em}\boxed{\kern0.035em\textcolor{#e03131}{\mathbf{5}}\kern0.035em}\hspace{-0.04em}\boxed{\kern0.035em\textcolor{#e03131}{\mathbf{9}}\kern0.035em} \quad 560 \quad \boxed{\kern0.035em\textcolor{#e03131}{\mathbf{5}}\kern0.035em}\hspace{-0.04em}\boxed{\kern0.035em\textcolor{#e03131}{\mathbf{6}}\kern0.035em}\hspace{-0.04em}\boxed{\kern0.035em\textcolor{#e03131}{\mathbf{1}}\kern0.035em} \end{array}}\]

\[\begin{aligned} 482\text{ см} &= \boxed{\kern0.035em\textcolor{#e03131}{\mathbf{4}}\kern0.035em}\text{ м }\boxed{\kern0.035em\textcolor{#e03131}{\mathbf{8}}\kern0.035em}\text{ дм }\boxed{\kern0.035em\textcolor{#e03131}{\mathbf{2}}\kern0.035em}\text{ см} \\ 690\text{ мм} &= \boxed{\kern0.035em\textcolor{#e03131}{\mathbf{6}}\kern0.035em}\hspace{-0.04em}\boxed{\kern0.035em\textcolor{#e03131}{\mathbf{9}}\kern0.035em}\text{ см} \\ 375\text{ см} &= \boxed{\kern0.035em\textcolor{#e03131}{\mathbf{3}}\kern0.035em}\text{ м }\boxed{\kern0.035em\textcolor{#e03131}{\mathbf{7}}\kern0.035em}\text{ дм }\boxed{\kern0.035em\textcolor{#e03131}{\mathbf{5}}\kern0.035em}\text{ см} \\ 240\text{ см} &= \boxed{\kern0.035em\textcolor{#e03131}{\mathbf{2}}\kern0.035em}\text{ м }\boxed{\kern0.035em\textcolor{#e03131}{\mathbf{4}}\kern0.035em}\text{ дм} \\ 901\text{ мм} &= \boxed{\kern0.035em\textcolor{#e03131}{\mathbf{9}}\kern0.035em}\hspace{-0.04em}\boxed{\kern0.035em\textcolor{#e03131}{\mathbf{0}}\kern0.035em}\text{ см }\boxed{\kern0.035em\textcolor{#e03131}{\mathbf{1}}\kern0.035em}\text{ мм} \\ 705\text{ см} &= \boxed{\kern0.035em\textcolor{#e03131}{\mathbf{7}}\kern0.035em}\hspace{-0.04em}\boxed{\kern0.035em\textcolor{#e03131}{\mathbf{0}}\kern0.035em}\text{ дм }\boxed{\kern0.035em\textcolor{#e03131}{\mathbf{5}}\kern0.035em}\text{ см} \\ 420\text{ мм} &= \boxed{\kern0.035em\textcolor{#e03131}{\mathbf{4}}\kern0.035em}\hspace{-0.04em}\boxed{\kern0.035em\textcolor{#e03131}{\mathbf{2}}\kern0.035em}\text{ см} \end{aligned}\]

\[\begin{array}{|l|c|c|c|c|c|c|} \hline & 240 & 870 & 450 & 680 & 360 & 530 \\ \hline \text{Увеличь на }70 & \textcolor{#e03131}{\mathbf{310}} & \textcolor{#e03131}{\mathbf{940}} & \textcolor{#e03131}{\mathbf{520}} & \textcolor{#e03131}{\mathbf{750}} & \textcolor{#e03131}{\mathbf{430}} & \textcolor{#e03131}{\mathbf{600}} \\ \hline \text{Уменьши на }90 & \textcolor{#e03131}{\mathbf{150}} & \textcolor{#e03131}{\mathbf{780}} & \textcolor{#e03131}{\mathbf{360}} & \textcolor{#e03131}{\mathbf{590}} & \textcolor{#e03131}{\mathbf{270}} & \textcolor{#e03131}{\mathbf{440}} \\ \hline \end{array}\] \[\begin{array}{|l|c|c|c|c|c|c|} \hline & 320 & 750 & 470 & 880 & 540 & 630 \\ \hline \text{Увеличь на }90 & \textcolor{#e03131}{\mathbf{410}} & \textcolor{#e03131}{\mathbf{840}} & \textcolor{#e03131}{\mathbf{560}} & \textcolor{#e03131}{\mathbf{970}} & \textcolor{#e03131}{\mathbf{630}} & \textcolor{#e03131}{\mathbf{720}} \\ \hline \text{Уменьши на }80 & \textcolor{#e03131}{\mathbf{240}} & \textcolor{#e03131}{\mathbf{670}} & \textcolor{#e03131}{\mathbf{390}} & \textcolor{#e03131}{\mathbf{800}} & \textcolor{#e03131}{\mathbf{460}} & \textcolor{#e03131}{\mathbf{550}} \\ \hline \end{array}\]