Страница 8, ГДЗ по математике за 3 класс к тренажёру Погореловой

\[\begin{aligned} \overset{\textcolor{#808080}{\scriptstyle 34\text{ см}}}{3\text{ дм }4\text{ см}} &\mathrel{\hspace{0.72em}\mathclap{\vcenter{\Large\bigcirc}}\mathclap{\textcolor{#e03131}{\pmb{\boldsymbol{<}}}}\hspace{0.72em}} 43\text{ см} & \qquad 13\text{ дм} &\mathrel{\hspace{0.72em}\mathclap{\vcenter{\Large\bigcirc}}\mathclap{\textcolor{#e03131}{\pmb{\boldsymbol{<}}}}\hspace{0.72em}} \overset{\textcolor{#808080}{\scriptstyle 20\text{ дм}}}{2\text{ м}} \\ \overset{\textcolor{#808080}{\scriptstyle 405\text{ см}}}{4\text{ м }5\text{ см}} &\mathrel{\hspace{0.72em}\mathclap{\vcenter{\Large\bigcirc}}\mathclap{\textcolor{#e03131}{\pmb{\boldsymbol{>}}}}\hspace{0.72em}} 45\text{ см} & \qquad \overset{\textcolor{#808080}{\scriptstyle 250\text{ мм}}}{25\text{ см}} &\mathrel{\hspace{0.72em}\mathclap{\vcenter{\Large\bigcirc}}\mathclap{\textcolor{#e03131}{\pmb{\boldsymbol{>}}}}\hspace{0.72em}} 20\text{ мм} \\ \overset{\textcolor{#808080}{\scriptstyle 27\text{ мм}}}{2\text{ см }7\text{ мм}} &\mathrel{\hspace{0.72em}\mathclap{\vcenter{\Large\bigcirc}}\mathclap{\textcolor{#e03131}{\pmb{\boldsymbol{<}}}}\hspace{0.72em}} \overset{\textcolor{#808080}{\scriptstyle 270\text{ мм}}}{27\text{ см}} & \qquad 97\text{ мм} &\mathrel{\hspace{0.72em}\mathclap{\vcenter{\Large\bigcirc}}\mathclap{\textcolor{#e03131}{\pmb{\boldsymbol{<}}}}\hspace{0.72em}} \overset{\textcolor{#808080}{\scriptstyle 100\text{ мм}}}{10\text{ см}} \\ \overset{\textcolor{#808080}{\scriptstyle 503\text{ мм}}}{5\text{ дм }3\text{ мм}} &\mathrel{\hspace{0.72em}\mathclap{\vcenter{\Large\bigcirc}}\mathclap{\textcolor{#e03131}{\pmb{\boldsymbol{<}}}}\hspace{0.72em}} \overset{\textcolor{#808080}{\scriptstyle 530\text{ мм}}}{53\text{ см}} & \qquad 36\text{ дм} &\mathrel{\hspace{0.72em}\mathclap{\vcenter{\Large\bigcirc}}\mathclap{\textcolor{#e03131}{\pmb{\boldsymbol{<}}}}\hspace{0.72em}} \overset{\textcolor{#808080}{\scriptstyle 630\text{ дм}}}{63\text{ м}} \\ \overset{\textcolor{#808080}{\scriptstyle 71\text{ мм}}}{7\text{ см }1\text{ мм}} &\mathrel{\hspace{0.72em}\mathclap{\vcenter{\Large\bigcirc}}\mathclap{\textcolor{#e03131}{\pmb{\boldsymbol{<}}}}\hspace{0.72em}} \overset{\textcolor{#808080}{\scriptstyle 710\text{ мм}}}{71\text{ см}} & \qquad 81\text{ см} &\mathrel{\hspace{0.72em}\mathclap{\vcenter{\Large\bigcirc}}\mathclap{\textcolor{#e03131}{\pmb{\boldsymbol{<}}}}\hspace{0.72em}} \overset{\textcolor{#808080}{\scriptstyle 900\text{ см}}}{9\text{ м}} \\ \overset{\textcolor{#808080}{\scriptstyle 96\text{ мм}}}{9\text{ см }6\text{ мм}} &\mathrel{\hspace{0.72em}\mathclap{\vcenter{\Large\bigcirc}}\mathclap{\textcolor{#e03131}{\pmb{\boldsymbol{=}}}}\hspace{0.72em}} 96\text{ мм} & \qquad \overset{\textcolor{#808080}{\scriptstyle 480\text{ см}}}{48\text{ дм}} &\mathrel{\hspace{0.72em}\mathclap{\vcenter{\Large\bigcirc}}\mathclap{\textcolor{#e03131}{\pmb{\boldsymbol{>}}}}\hspace{0.72em}} 50\text{ см} \\ \overset{\textcolor{#808080}{\scriptstyle 250\text{ см}}}{2\text{ м }5\text{ дм}} &\mathrel{\hspace{0.72em}\mathclap{\vcenter{\Large\bigcirc}}\mathclap{\textcolor{#e03131}{\pmb{\boldsymbol{>}}}}\hspace{0.72em}} 25\text{ см} & \qquad 56\text{ мм} &\mathrel{\hspace{0.72em}\mathclap{\vcenter{\Large\bigcirc}}\mathclap{\textcolor{#e03131}{\pmb{\boldsymbol{<}}}}\hspace{0.72em}} \overset{\textcolor{#808080}{\scriptstyle 650\text{ мм}}}{65\text{ см}} \end{aligned}\]

\[\begin{array}{|c|c|c|c|c|c|c|c|c|} \hline x & 15 & 47 & 89 & 56 & 38 & 24 & 67 & 76 \\ \hline x + 6 & \textcolor{#e03131}{\mathbf{21}} & \textcolor{#e03131}{\mathbf{53}} & \textcolor{#e03131}{\mathbf{95}} & \textcolor{#e03131}{\mathbf{62}} & \textcolor{#e03131}{\mathbf{44}} & \textcolor{#e03131}{\mathbf{30}} & \textcolor{#e03131}{\mathbf{73}} & \textcolor{#e03131}{\mathbf{82}} \\ \hline x - 8 & \textcolor{#e03131}{\mathbf{7}} & \textcolor{#e03131}{\mathbf{39}} & \textcolor{#e03131}{\mathbf{81}} & \textcolor{#e03131}{\mathbf{48}} & \textcolor{#e03131}{\mathbf{30}} & \textcolor{#e03131}{\mathbf{16}} & \textcolor{#e03131}{\mathbf{59}} & \textcolor{#e03131}{\mathbf{68}} \\ \hline \end{array}\]

\[\begin{aligned} 80 \overset{\textcolor{#1a7f37}{2}}{-} (46 \overset{\textcolor{#1a7f37}{1}}{+} 7) \overset{\textcolor{#1a7f37}{3}}{-} 9 &= \textcolor{#e03131}{\mathbf{18}} & \qquad 99 \overset{\textcolor{#1a7f37}{2}}{-} (65 \overset{\textcolor{#1a7f37}{1}}{-} 7) &= \textcolor{#e03131}{\mathbf{41}} \\ 8 \overset{\textcolor{#1a7f37}{2}}{+} (28 \overset{\textcolor{#1a7f37}{1}}{+} 6) \overset{\textcolor{#1a7f37}{3}}{-} 5 &= \textcolor{#e03131}{\mathbf{37}} & \qquad 57 \overset{\textcolor{#1a7f37}{2}}{+} (26 \overset{\textcolor{#1a7f37}{1}}{+} 7) &= \textcolor{#e03131}{\mathbf{90}} \\ 72 \overset{\textcolor{#1a7f37}{2}}{-} (51 \overset{\textcolor{#1a7f37}{1}}{-} 9) \overset{\textcolor{#1a7f37}{3}}{+} 8 &= \textcolor{#e03131}{\mathbf{38}} & \qquad 34 \overset{\textcolor{#1a7f37}{2}}{+} (42 \overset{\textcolor{#1a7f37}{1}}{-} 8) &= \textcolor{#e03131}{\mathbf{68}} \\ 7 \overset{\textcolor{#1a7f37}{2}}{+} (33 \overset{\textcolor{#1a7f37}{1}}{-} 5) \overset{\textcolor{#1a7f37}{3}}{-} 20 &= \textcolor{#e03131}{\mathbf{15}} & \qquad 68 \overset{\textcolor{#1a7f37}{2}}{-} (38 \overset{\textcolor{#1a7f37}{1}}{+} 5) &= \textcolor{#e03131}{\mathbf{25}} \end{aligned}\]