Страница 5, ГДЗ по математике за 1 класс к тренажёру Погореловой

\[{\def\arraystretch{1.6}\begin{array}{llll} \boxed{\kern0.035em\textcolor{#e03131}{\mathbf{6}}\kern0.035em}\kern0.1em7\kern0.1em\boxed{\kern0.035em\textcolor{#e03131}{\mathbf{8}}\kern0.035em} & \qquad \boxed{\kern0.035em\textcolor{#e03131}{\mathbf{3}}\kern0.035em}\kern0.1em4\kern0.1em\boxed{\kern0.035em\textcolor{#e03131}{\mathbf{5}}\kern0.035em} & \qquad \boxed{\kern0.035em\textcolor{#e03131}{\mathbf{5}}\kern0.035em}\kern0.1em6\kern0.1em\boxed{\kern0.035em\textcolor{#e03131}{\mathbf{7}}\kern0.035em} & \qquad \boxed{\kern0.035em\textcolor{#e03131}{\mathbf{2}}\kern0.035em}\kern0.1em3\kern0.1em\boxed{\kern0.035em\textcolor{#e03131}{\mathbf{4}}\kern0.035em} \\ \boxed{\kern0.035em\textcolor{#e03131}{\mathbf{1}}\kern0.035em}\kern0.1em2\kern0.1em\boxed{\kern0.035em\textcolor{#e03131}{\mathbf{3}}\kern0.035em} & \qquad \boxed{\kern0.035em\textcolor{#e03131}{\mathbf{7}}\kern0.035em}\kern0.1em8\kern0.1em\boxed{\kern0.035em\textcolor{#e03131}{\mathbf{9}}\kern0.035em} & \qquad \boxed{\kern0.035em\textcolor{#e03131}{\mathbf{4}}\kern0.035em}\kern0.1em5\kern0.1em\boxed{\kern0.035em\textcolor{#e03131}{\mathbf{6}}\kern0.035em} & \qquad \boxed{\kern0.035em\textcolor{#e03131}{\mathbf{8}}\kern0.035em}\kern0.1em9\kern0.1em\boxed{\kern0.035em\textcolor{#e03131}{\mathbf{1}}\kern0.035em}\hspace{-0.04em}\boxed{\kern0.035em\textcolor{#e03131}{\mathbf{0}}\kern0.035em} \end{array}}\]

\[\begin{array}{l} \boxed{\kern0.0725em3\kern0.0725em}\hspace{-0.04em}\boxed{\kern0.0725em\phantom{0}\kern0.0725em}\hspace{-0.04em}\boxed{\kern0.0725em7\kern0.0725em}\hspace{-0.04em}\boxed{\kern0.0725em\phantom{0}\kern0.0725em}\hspace{-0.04em}\boxed{\kern0.0725em5\kern0.0725em}\hspace{-0.04em}\boxed{\kern0.0725em\phantom{0}\kern0.0725em}\hspace{-0.04em}\boxed{\kern0.0725em9\kern0.0725em}\hspace{-0.04em}\boxed{\kern0.0725em\phantom{0}\kern0.0725em}\hspace{-0.04em}\boxed{\kern0.0725em2\kern0.0725em}\hspace{-0.04em}\boxed{\kern0.0725em\phantom{0}\kern0.0725em}\hspace{-0.04em}\boxed{\kern0.0725em1\kern0.0725em}\hspace{-0.04em}\boxed{\kern0.0725em0\kern0.0725em}\hspace{-0.04em}\boxed{\kern0.0725em\phantom{0}\kern0.0725em}\hspace{-0.04em}\boxed{\kern0.0725em8\kern0.0725em}\hspace{-0.04em}\boxed{\kern0.0725em\phantom{0}\kern0.0725em}\hspace{-0.04em}\boxed{\kern0.0725em1\kern0.0725em}\hspace{-0.04em}\boxed{\kern0.0725em\phantom{0}\kern0.0725em}\hspace{-0.04em}\boxed{\kern0.0725em4\kern0.0725em}\hspace{-0.04em}\boxed{\kern0.0725em\phantom{0}\kern0.0725em}\hspace{-0.04em}\boxed{\kern0.0725em6\kern0.0725em} \\[0.6em] \boxed{\kern0.035em\textcolor{#e03131}{\mathbf{1}}\kern0.035em}\hspace{-0.04em}\boxed{\kern0.035em\textcolor{#e03131}{\mathbf{0}}\kern0.035em}\hspace{-0.04em}\boxed{\kern0.0725em\phantom{0}\kern0.0725em}\hspace{-0.04em}\boxed{\kern0.035em\textcolor{#e03131}{\mathbf{9}}\kern0.035em}\hspace{-0.04em}\boxed{\kern0.0725em\phantom{0}\kern0.0725em}\hspace{-0.04em}\boxed{\kern0.035em\textcolor{#e03131}{\mathbf{8}}\kern0.035em}\hspace{-0.04em}\boxed{\kern0.0725em\phantom{0}\kern0.0725em}\hspace{-0.04em}\boxed{\kern0.035em\textcolor{#e03131}{\mathbf{7}}\kern0.035em}\hspace{-0.04em}\boxed{\kern0.0725em\phantom{0}\kern0.0725em}\hspace{-0.04em}\boxed{\kern0.035em\textcolor{#e03131}{\mathbf{6}}\kern0.035em}\hspace{-0.04em}\boxed{\kern0.0725em\phantom{0}\kern0.0725em}\hspace{-0.04em}\boxed{\kern0.035em\textcolor{#e03131}{\mathbf{5}}\kern0.035em}\hspace{-0.04em}\boxed{\kern0.0725em\phantom{0}\kern0.0725em}\hspace{-0.04em}\boxed{\kern0.035em\textcolor{#e03131}{\mathbf{4}}\kern0.035em}\hspace{-0.04em}\boxed{\kern0.0725em\phantom{0}\kern0.0725em}\hspace{-0.04em}\boxed{\kern0.035em\textcolor{#e03131}{\mathbf{3}}\kern0.035em}\hspace{-0.04em}\boxed{\kern0.0725em\phantom{0}\kern0.0725em}\hspace{-0.04em}\boxed{\kern0.035em\textcolor{#e03131}{\mathbf{2}}\kern0.035em}\hspace{-0.04em}\boxed{\kern0.0725em\phantom{0}\kern0.0725em}\hspace{-0.04em}\boxed{\kern0.035em\textcolor{#e03131}{\mathbf{1}}\kern0.035em} \end{array}\]

\[\begin{aligned} 5 - 1 - 1 &= \textcolor{#e03131}{\mathbf{3}} & \qquad 3 - 1 - 1 &= \textcolor{#e03131}{\mathbf{1}} \\ 8 - 1 - 1 &= \textcolor{#e03131}{\mathbf{6}} & \qquad 9 - 1 - 1 &= \textcolor{#e03131}{\mathbf{7}} \end{aligned}\]

\[\begin{aligned} 7 - 1 &= \boxed{\kern0.035em\textcolor{#e03131}{\mathbf{6}}\kern0.035em}\ \swarrow & \qquad \nwarrow\ \boxed{\kern0.035em\textcolor{#e03131}{\mathbf{4}}\kern0.035em} - 1 &= 3 \\ \swarrow\ \boxed{\kern0.035em\textcolor{#e03131}{\mathbf{6}}\kern0.035em} - 1 &= \boxed{\kern0.035em\textcolor{#e03131}{\mathbf{5}}\kern0.035em}\ \longrightarrow & \qquad \boxed{\kern0.035em\textcolor{#e03131}{\mathbf{5}}\kern0.035em} - 1 &= \boxed{\kern0.035em\textcolor{#e03131}{\mathbf{4}}\kern0.035em}\ \nwarrow \\ 4 - 1 &= \boxed{\kern0.035em\textcolor{#e03131}{\mathbf{3}}\kern0.035em}\ \longrightarrow & \qquad \boxed{\kern0.035em\textcolor{#e03131}{\mathbf{3}}\kern0.035em} - 1 &= \boxed{\kern0.035em\textcolor{#e03131}{\mathbf{2}}\kern0.035em} \\ 9 - 1 &= \boxed{\kern0.035em\textcolor{#e03131}{\mathbf{8}}\kern0.035em}\ \longrightarrow & \qquad \boxed{\kern0.035em\textcolor{#e03131}{\mathbf{8}}\kern0.035em} - 1 &= 7 \end{aligned}\]