Страница 8, ГДЗ по математике за 2 класс к тренажёру Погореловой
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\[\begin{array}{|c|c|c|} \hline \text{на 8} & \text{на 6} & \text{на 7} \\ \hline \begin{array}{c} \textcolor{#e03131}{\mathbf{5 + 8 = 13}} \\ \textcolor{#e03131}{\mathbf{7 + 8 = 15}} \\ \textcolor{#e03131}{\mathbf{9 + 8 = 17}} \\ \textcolor{#e03131}{\mathbf{6 + 8 = 14}} \end{array} & \begin{array}{c} \textcolor{#e03131}{\mathbf{5 + 6 = 11}} \\ \textcolor{#e03131}{\mathbf{7 + 6 = 13}} \\ \textcolor{#e03131}{\mathbf{9 + 6 = 15}} \\ \textcolor{#e03131}{\mathbf{6 + 6 = 12}} \end{array} & \begin{array}{c} \textcolor{#e03131}{\mathbf{5 + 7 = 12}} \\ \textcolor{#e03131}{\mathbf{7 + 7 = 14}} \\ \textcolor{#e03131}{\mathbf{9 + 7 = 16}} \\ \textcolor{#e03131}{\mathbf{6 + 7 = 13}} \end{array} \\ \hline \end{array}\]
\[\begin{array}{|c|c|c|} \hline \text{на 8} & \text{на 6} & \text{на 7} \\ \hline \begin{array}{c} \textcolor{#e03131}{\mathbf{13 - 8 = 5}} \\ \textcolor{#e03131}{\mathbf{15 - 8 = 7}} \\ \textcolor{#e03131}{\mathbf{12 - 8 = 4}} \\ \textcolor{#e03131}{\mathbf{16 - 8 = 8}} \end{array} & \begin{array}{c} \textcolor{#e03131}{\mathbf{13 - 6 = 7}} \\ \textcolor{#e03131}{\mathbf{15 - 6 = 9}} \\ \textcolor{#e03131}{\mathbf{12 - 6 = 6}} \\ \textcolor{#e03131}{\mathbf{16 - 6 = 10}} \end{array} & \begin{array}{c} \textcolor{#e03131}{\mathbf{13 - 7 = 6}} \\ \textcolor{#e03131}{\mathbf{15 - 7 = 8}} \\ \textcolor{#e03131}{\mathbf{12 - 7 = 5}} \\ \textcolor{#e03131}{\mathbf{16 - 7 = 9}} \end{array} \\ \hline \end{array}\]
\[\begin{aligned} 17 \overset{\mathclap{\textcolor{#808080}{\scriptstyle 8}}}{-} 9 &\mathrel{\hspace{0.72em}\mathclap{\vcenter{\Large\bigcirc}}\mathclap{\textcolor{#e03131}{\pmb{\boldsymbol{=}}}}\hspace{0.72em}} 12 \overset{\mathclap{\textcolor{#808080}{\scriptstyle 8}}}{-} 4 & \qquad 4 \overset{\mathclap{\textcolor{#808080}{\scriptstyle 12}}}{+} 8 &\mathrel{\hspace{0.72em}\mathclap{\vcenter{\Large\bigcirc}}\mathclap{\textcolor{#e03131}{\pmb{\boldsymbol{=}}}}\hspace{0.72em}} 6 \overset{\mathclap{\textcolor{#808080}{\scriptstyle 12}}}{+} 6 \\ 13 \overset{\mathclap{\textcolor{#808080}{\scriptstyle 5}}}{-} 8 &\mathrel{\hspace{0.72em}\mathclap{\vcenter{\Large\bigcirc}}\mathclap{\textcolor{#e03131}{\pmb{\boldsymbol{<}}}}\hspace{0.72em}} 15 \overset{\mathclap{\textcolor{#808080}{\scriptstyle 8}}}{-} 7 & \qquad 6 \overset{\mathclap{\textcolor{#808080}{\scriptstyle 13}}}{+} 7 &\mathrel{\hspace{0.72em}\mathclap{\vcenter{\Large\bigcirc}}\mathclap{\textcolor{#e03131}{\pmb{\boldsymbol{>}}}}\hspace{0.72em}} 3 \overset{\mathclap{\textcolor{#808080}{\scriptstyle 11}}}{+} 8 \end{aligned}\]