Страница 60, ГДЗ по математике за 1 класс к тренажёру Погореловой

\[\begin{aligned} 11 - 3 &= \textcolor{#e03131}{\mathbf{8}} & \qquad 15 - 9 &= \textcolor{#e03131}{\mathbf{6}} & \qquad 13 - 4 &= \textcolor{#e03131}{\mathbf{9}} \\ 9 + 2 &= \textcolor{#e03131}{\mathbf{11}} & \qquad 6 + 8 &= \textcolor{#e03131}{\mathbf{14}} & \qquad 8 + 8 &= \textcolor{#e03131}{\mathbf{16}} \\ 13 - 7 &= \textcolor{#e03131}{\mathbf{6}} & \qquad 11 - 5 &= \textcolor{#e03131}{\mathbf{6}} & \qquad 14 - 5 &= \textcolor{#e03131}{\mathbf{9}} \\ 8 + 7 &= \textcolor{#e03131}{\mathbf{15}} & \qquad 9 + 7 &= \textcolor{#e03131}{\mathbf{16}} & \qquad 6 + 6 &= \textcolor{#e03131}{\mathbf{12}} \\ 13 - 6 &= \textcolor{#e03131}{\mathbf{7}} & \qquad 14 - 7 &= \textcolor{#e03131}{\mathbf{7}} & \qquad 17 - 9 &= \textcolor{#e03131}{\mathbf{8}} \\ 9 + 3 &= \textcolor{#e03131}{\mathbf{12}} & \qquad 8 + 4 &= \textcolor{#e03131}{\mathbf{12}} & \qquad 7 + 6 &= \textcolor{#e03131}{\mathbf{13}} \\ 12 - 5 &= \textcolor{#e03131}{\mathbf{7}} & \qquad 11 - 4 &= \textcolor{#e03131}{\mathbf{7}} & \qquad 15 - 8 &= \textcolor{#e03131}{\mathbf{7}} \\ 8 + 5 &= \textcolor{#e03131}{\mathbf{13}} & \qquad 9 + 9 &= \textcolor{#e03131}{\mathbf{18}} & \qquad 9 + 8 &= \textcolor{#e03131}{\mathbf{17}} \\ 16 - 9 &= \textcolor{#e03131}{\mathbf{7}} & \qquad 16 - 8 &= \textcolor{#e03131}{\mathbf{8}} & \qquad 12 - 6 &= \textcolor{#e03131}{\mathbf{6}} \end{aligned}\]

\[\begin{aligned} 6 \mathbin{\hspace{0.72em}\mathclap{\vcenter{\Large\bigcirc}}\mathclap{\textcolor{#e03131}{\pmb{\boldsymbol{+}}}}\hspace{0.72em}} 5 \mathbin{\hspace{0.72em}\mathclap{\vcenter{\Large\bigcirc}}\mathclap{\textcolor{#e03131}{\pmb{\boldsymbol{+}}}}\hspace{0.72em}} 4 &= 15 & \qquad 16 \mathbin{\hspace{0.72em}\mathclap{\vcenter{\Large\bigcirc}}\mathclap{\textcolor{#e03131}{\pmb{\boldsymbol{-}}}}\hspace{0.72em}} 9 \mathbin{\hspace{0.72em}\mathclap{\vcenter{\Large\bigcirc}}\mathclap{\textcolor{#e03131}{\pmb{\boldsymbol{+}}}}\hspace{0.72em}} 2 &= 9 \\ 4 \mathbin{\hspace{0.72em}\mathclap{\vcenter{\Large\bigcirc}}\mathclap{\textcolor{#e03131}{\pmb{\boldsymbol{+}}}}\hspace{0.72em}} 8 \mathbin{\hspace{0.72em}\mathclap{\vcenter{\Large\bigcirc}}\mathclap{\textcolor{#e03131}{\pmb{\boldsymbol{-}}}}\hspace{0.72em}} 2 &= 10 & \qquad 20 \mathbin{\hspace{0.72em}\mathclap{\vcenter{\Large\bigcirc}}\mathclap{\textcolor{#e03131}{\pmb{\boldsymbol{-}}}}\hspace{0.72em}} 7 \mathbin{\hspace{0.72em}\mathclap{\vcenter{\Large\bigcirc}}\mathclap{\textcolor{#e03131}{\pmb{\boldsymbol{-}}}}\hspace{0.72em}} 6 &= 7 \end{aligned}\]