Страница 12, ГДЗ по математике за 2 класс к тренажёру Погореловой

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\kern-0.25em90\kern-0.25em & \kern-0.25em88\kern-0.25em & \kern-0.25em\boxed{\kern0.035em\textcolor{#e03131}{\mathbf{8}}\kern0.035em}\hspace{-0.04em}\boxed{\kern0.035em\textcolor{#e03131}{\mathbf{6}}\kern0.035em}\kern-0.25em & \kern-0.25em\boxed{\kern0.035em\textcolor{#e03131}{\mathbf{8}}\kern0.035em}\hspace{-0.04em}\boxed{\kern0.035em\textcolor{#e03131}{\mathbf{4}}\kern0.035em}\kern-0.25em & \kern-0.25em\boxed{\kern0.035em\textcolor{#e03131}{\mathbf{8}}\kern0.035em}\hspace{-0.04em}\boxed{\kern0.035em\textcolor{#e03131}{\mathbf{2}}\kern0.035em}\kern-0.25em & \kern-0.25em\boxed{\kern0.035em\textcolor{#e03131}{\mathbf{8}}\kern0.035em}\hspace{-0.04em}\boxed{\kern0.035em\textcolor{#e03131}{\mathbf{0}}\kern0.035em}\kern-0.25em & \kern-0.25em\boxed{\kern0.035em\textcolor{#e03131}{\mathbf{7}}\kern0.035em}\hspace{-0.04em}\boxed{\kern0.035em\textcolor{#e03131}{\mathbf{8}}\kern0.035em}\kern-0.25em & \kern-0.25em\boxed{\kern0.035em\textcolor{#e03131}{\mathbf{7}}\kern0.035em}\hspace{-0.04em}\boxed{\kern0.035em\textcolor{#e03131}{\mathbf{6}}\kern0.035em}\kern-0.25em \\ \kern-0.25em64\kern-0.25em & \kern-0.25em66\kern-0.25em & \kern-0.25em\boxed{\kern0.035em\textcolor{#e03131}{\mathbf{6}}\kern0.035em}\hspace{-0.04em}\boxed{\kern0.035em\textcolor{#e03131}{\mathbf{8}}\kern0.035em}\kern-0.25em & \kern-0.25em\boxed{\kern0.035em\textcolor{#e03131}{\mathbf{7}}\kern0.035em}\hspace{-0.04em}\boxed{\kern0.035em\textcolor{#e03131}{\mathbf{0}}\kern0.035em}\kern-0.25em & \kern-0.25em\boxed{\kern0.035em\textcolor{#e03131}{\mathbf{7}}\kern0.035em}\hspace{-0.04em}\boxed{\kern0.035em\textcolor{#e03131}{\mathbf{2}}\kern0.035em}\kern-0.25em & \kern-0.25em74\kern-0.25em & \kern-0.25em\boxed{\kern0.035em\textcolor{#e03131}{\mathbf{7}}\kern0.035em}\hspace{-0.04em}\boxed{\kern0.035em\textcolor{#e03131}{\mathbf{6}}\kern0.035em}\kern-0.25em & \kern-0.25em\boxed{\kern0.035em\textcolor{#e03131}{\mathbf{7}}\kern0.035em}\hspace{-0.04em}\boxed{\kern0.035em\textcolor{#e03131}{\mathbf{8}}\kern0.035em}\kern-0.25em \\ \kern-0.25em48\kern-0.25em & \kern-0.25em46\kern-0.25em & \kern-0.25em\boxed{\kern0.035em\textcolor{#e03131}{\mathbf{4}}\kern0.035em}\hspace{-0.04em}\boxed{\kern0.035em\textcolor{#e03131}{\mathbf{4}}\kern0.035em}\kern-0.25em & \kern-0.25em\boxed{\kern0.035em\textcolor{#e03131}{\mathbf{4}}\kern0.035em}\hspace{-0.04em}\boxed{\kern0.035em\textcolor{#e03131}{\mathbf{2}}\kern0.035em}\kern-0.25em & \kern-0.25em\boxed{\kern0.035em\textcolor{#e03131}{\mathbf{4}}\kern0.035em}\hspace{-0.04em}\boxed{\kern0.035em\textcolor{#e03131}{\mathbf{0}}\kern0.035em}\kern-0.25em & \kern-0.25em\boxed{\kern0.035em\textcolor{#e03131}{\mathbf{3}}\kern0.035em}\hspace{-0.04em}\boxed{\kern0.035em\textcolor{#e03131}{\mathbf{8}}\kern0.035em}\kern-0.25em & \kern-0.25em36\kern-0.25em & \kern-0.25em\boxed{\kern0.035em\textcolor{#e03131}{\mathbf{3}}\kern0.035em}\hspace{-0.04em}\boxed{\kern0.035em\textcolor{#e03131}{\mathbf{4}}\kern0.035em}\kern-0.25em \\ \kern-0.25em29\kern-0.25em & \kern-0.25em32\kern-0.25em & \kern-0.25em\boxed{\kern0.035em\textcolor{#e03131}{\mathbf{3}}\kern0.035em}\hspace{-0.04em}\boxed{\kern0.035em\textcolor{#e03131}{\mathbf{5}}\kern0.035em}\kern-0.25em & \kern-0.25em\boxed{\kern0.035em\textcolor{#e03131}{\mathbf{3}}\kern0.035em}\hspace{-0.04em}\boxed{\kern0.035em\textcolor{#e03131}{\mathbf{8}}\kern0.035em}\kern-0.25em & \kern-0.25em41\kern-0.25em & \kern-0.25em\boxed{\kern0.035em\textcolor{#e03131}{\mathbf{4}}\kern0.035em}\hspace{-0.04em}\boxed{\kern0.035em\textcolor{#e03131}{\mathbf{4}}\kern0.035em}\kern-0.25em & \kern-0.25em\boxed{\kern0.035em\textcolor{#e03131}{\mathbf{4}}\kern0.035em}\hspace{-0.04em}\boxed{\kern0.035em\textcolor{#e03131}{\mathbf{7}}\kern0.035em}\kern-0.25em & \kern-0.25em\boxed{\kern0.035em\textcolor{#e03131}{\mathbf{5}}\kern0.035em}\hspace{-0.04em}\boxed{\kern0.035em\textcolor{#e03131}{\mathbf{0}}\kern0.035em}\kern-0.25em \\ \kern-0.25em81\kern-0.25em & \kern-0.25em78\kern-0.25em & \kern-0.25em\boxed{\kern0.035em\textcolor{#e03131}{\mathbf{7}}\kern0.035em}\hspace{-0.04em}\boxed{\kern0.035em\textcolor{#e03131}{\mathbf{5}}\kern0.035em}\kern-0.25em & \kern-0.25em\boxed{\kern0.035em\textcolor{#e03131}{\mathbf{7}}\kern0.035em}\hspace{-0.04em}\boxed{\kern0.035em\textcolor{#e03131}{\mathbf{2}}\kern0.035em}\kern-0.25em & \kern-0.25em\boxed{\kern0.035em\textcolor{#e03131}{\mathbf{6}}\kern0.035em}\hspace{-0.04em}\boxed{\kern0.035em\textcolor{#e03131}{\mathbf{9}}\kern0.035em}\kern-0.25em & \kern-0.25em66\kern-0.25em & \kern-0.25em\boxed{\kern0.035em\textcolor{#e03131}{\mathbf{6}}\kern0.035em}\hspace{-0.04em}\boxed{\kern0.035em\textcolor{#e03131}{\mathbf{3}}\kern0.035em}\kern-0.25em & \kern-0.25em\boxed{\kern0.035em\textcolor{#e03131}{\mathbf{6}}\kern0.035em}\hspace{-0.04em}\boxed{\kern0.035em\textcolor{#e03131}{\mathbf{0}}\kern0.035em}\kern-0.25em \\ \kern-0.25em\boxed{\kern0.035em\textcolor{#e03131}{\mathbf{2}}\kern0.035em}\hspace{-0.04em}\boxed{\kern0.035em\textcolor{#e03131}{\mathbf{8}}\kern0.035em}\kern-0.25em & \kern-0.25em\boxed{\kern0.035em\textcolor{#e03131}{\mathbf{3}}\kern0.035em}\hspace{-0.04em}\boxed{\kern0.035em\textcolor{#e03131}{\mathbf{1}}\kern0.035em}\kern-0.25em & \kern-0.25em\boxed{\kern0.035em\textcolor{#e03131}{\mathbf{3}}\kern0.035em}\hspace{-0.04em}\boxed{\kern0.035em\textcolor{#e03131}{\mathbf{4}}\kern0.035em}\kern-0.25em & \kern-0.25em37\kern-0.25em & \kern-0.25em40\kern-0.25em & \kern-0.25em\boxed{\kern0.035em\textcolor{#e03131}{\mathbf{4}}\kern0.035em}\hspace{-0.04em}\boxed{\kern0.035em\textcolor{#e03131}{\mathbf{3}}\kern0.035em}\kern-0.25em & \kern-0.25em\boxed{\kern0.035em\textcolor{#e03131}{\mathbf{4}}\kern0.035em}\hspace{-0.04em}\boxed{\kern0.035em\textcolor{#e03131}{\mathbf{6}}\kern0.035em}\kern-0.25em & \kern-0.25em\boxed{\kern0.035em\textcolor{#e03131}{\mathbf{4}}\kern0.035em}\hspace{-0.04em}\boxed{\kern0.035em\textcolor{#e03131}{\mathbf{9}}\kern0.035em}\kern-0.25em \\ \kern-0.25em74\kern-0.25em & \kern-0.25em71\kern-0.25em & \kern-0.25em\boxed{\kern0.035em\textcolor{#e03131}{\mathbf{6}}\kern0.035em}\hspace{-0.04em}\boxed{\kern0.035em\textcolor{#e03131}{\mathbf{8}}\kern0.035em}\kern-0.25em & \kern-0.25em\boxed{\kern0.035em\textcolor{#e03131}{\mathbf{6}}\kern0.035em}\hspace{-0.04em}\boxed{\kern0.035em\textcolor{#e03131}{\mathbf{5}}\kern0.035em}\kern-0.25em & \kern-0.25em\boxed{\kern0.035em\textcolor{#e03131}{\mathbf{6}}\kern0.035em}\hspace{-0.04em}\boxed{\kern0.035em\textcolor{#e03131}{\mathbf{2}}\kern0.035em}\kern-0.25em & \kern-0.25em\boxed{\kern0.035em\textcolor{#e03131}{\mathbf{5}}\kern0.035em}\hspace{-0.04em}\boxed{\kern0.035em\textcolor{#e03131}{\mathbf{9}}\kern0.035em}\kern-0.25em & \kern-0.25em\boxed{\kern0.035em\textcolor{#e03131}{\mathbf{5}}\kern0.035em}\hspace{-0.04em}\boxed{\kern0.035em\textcolor{#e03131}{\mathbf{6}}\kern0.035em}\kern-0.25em & \kern-0.25em53\kern-0.25em \\ \kern-0.25em50\kern-0.25em & \kern-0.25em52\kern-0.25em & \kern-0.25em\boxed{\kern0.035em\textcolor{#e03131}{\mathbf{5}}\kern0.035em}\hspace{-0.04em}\boxed{\kern0.035em\textcolor{#e03131}{\mathbf{4}}\kern0.035em}\kern-0.25em & \kern-0.25em\boxed{\kern0.035em\textcolor{#e03131}{\mathbf{5}}\kern0.035em}\hspace{-0.04em}\boxed{\kern0.035em\textcolor{#e03131}{\mathbf{6}}\kern0.035em}\kern-0.25em & \kern-0.25em\boxed{\kern0.035em\textcolor{#e03131}{\mathbf{5}}\kern0.035em}\hspace{-0.04em}\boxed{\kern0.035em\textcolor{#e03131}{\mathbf{8}}\kern0.035em}\kern-0.25em & \kern-0.25em\boxed{\kern0.035em\textcolor{#e03131}{\mathbf{6}}\kern0.035em}\hspace{-0.04em}\boxed{\kern0.035em\textcolor{#e03131}{\mathbf{0}}\kern0.035em}\kern-0.25em & \kern-0.25em62\kern-0.25em & \kern-0.25em\boxed{\kern0.035em\textcolor{#e03131}{\mathbf{6}}\kern0.035em}\hspace{-0.04em}\boxed{\kern0.035em\textcolor{#e03131}{\mathbf{4}}\kern0.035em}\kern-0.25em \end{array}}\]

\[\begin{aligned} 3\text{ дм }4\text{ см} - 4\text{ см} &= \textcolor{#e03131}{\mathbf{3}}\text{ дм} & \qquad 5\text{ дм} - 4\text{ дм} &= \textcolor{#e03131}{\mathbf{1}}\text{ дм} \\ 7\text{ дм} - 5\text{ дм} &= \textcolor{#e03131}{\mathbf{2}}\text{ дм} & \qquad 9\text{ дм }6\text{ см} - 6\text{ см} &= \textcolor{#e03131}{\mathbf{9}}\text{ дм} \\ 5\text{ дм }2\text{ см} - 5\text{ дм} &= \textcolor{#e03131}{\mathbf{2}}\text{ см} & \qquad 5\text{ дм} + 3\text{ дм} &= \textcolor{#e03131}{\mathbf{8}}\text{ дм} \\ 4\text{ дм} + 2\text{ дм} &= \textcolor{#e03131}{\mathbf{6}}\text{ дм} & \qquad 3\text{ дм }2\text{ см} - 2\text{ см} &= \textcolor{#e03131}{\mathbf{3}}\text{ дм} \\ 2\text{ дм }8\text{ см} + 3\text{ дм} &= \textcolor{#e03131}{\mathbf{5}}\text{ дм }\textcolor{#e03131}{\mathbf{8}}\text{ см} & \qquad 8\text{ дм }5\text{ см} + 3\text{ см} &= \textcolor{#e03131}{\mathbf{8}}\text{ дм }\textcolor{#e03131}{\mathbf{8}}\text{ см} \\ 8\text{ дм }7\text{ см} - 7\text{ см} &= \textcolor{#e03131}{\mathbf{8}}\text{ дм} & \qquad 1\text{ дм }4\text{ см} + 4\text{ дм} &= \textcolor{#e03131}{\mathbf{5}}\text{ дм }\textcolor{#e03131}{\mathbf{4}}\text{ см} \\ 6\text{ дм }3\text{ см} + 5\text{ см} &= \textcolor{#e03131}{\mathbf{6}}\text{ дм }\textcolor{#e03131}{\mathbf{8}}\text{ см} & \qquad 6\text{ дм }3\text{ см} - 6\text{ дм} &= \textcolor{#e03131}{\mathbf{3}}\text{ см} \\ 1\text{ дм }7\text{ см} - 6\text{ см} &= \textcolor{#e03131}{\mathbf{1}}\text{ дм }\textcolor{#e03131}{\mathbf{1}}\text{ см} & \qquad 4\text{ дм }1\text{ см} + 3\text{ дм} &= \textcolor{#e03131}{\mathbf{7}}\text{ дм }\textcolor{#e03131}{\mathbf{1}}\text{ см} \end{aligned}\]