Страница 48, ГДЗ по математике за 1 класс к тренажёру Погореловой

\[\begin{aligned} 5 \mathbin{\hspace{0.72em}\mathclap{\vcenter{\Large\bigcirc}}\mathclap{\textcolor{#e03131}{\pmb{\boldsymbol{+}}}}\hspace{0.72em}} 0 &= 5 & \qquad 9 \mathbin{\hspace{0.72em}\mathclap{\vcenter{\Large\bigcirc}}\mathclap{\textcolor{#e03131}{\pmb{\boldsymbol{+}}}}\hspace{0.72em}} 1 &= 10 & \qquad 6 \mathbin{\hspace{0.72em}\mathclap{\vcenter{\Large\bigcirc}}\mathclap{\textcolor{#e03131}{\pmb{\boldsymbol{+}}}}\hspace{0.72em}} 3 &= 9 \\ 0 \mathbin{\hspace{0.72em}\mathclap{\vcenter{\Large\bigcirc}}\mathclap{\textcolor{#e03131}{\pmb{\boldsymbol{+}}}}\hspace{0.72em}} 4 &= 4 & \qquad 10 \mathbin{\hspace{0.72em}\mathclap{\vcenter{\Large\bigcirc}}\mathclap{\textcolor{#e03131}{\pmb{\boldsymbol{-}}}}\hspace{0.72em}} 2 &= 8 & \qquad 7 \mathbin{\hspace{0.72em}\mathclap{\vcenter{\Large\bigcirc}}\mathclap{\textcolor{#e03131}{\pmb{\boldsymbol{-}}}}\hspace{0.72em}} 2 &= 5 \\ 4 \mathbin{\hspace{0.72em}\mathclap{\vcenter{\Large\bigcirc}}\mathclap{\textcolor{#e03131}{\pmb{\boldsymbol{+}}}}\hspace{0.72em}} 4 &= 8 & \qquad 6 \mathbin{\hspace{0.72em}\mathclap{\vcenter{\Large\bigcirc}}\mathclap{\textcolor{#e03131}{\pmb{\boldsymbol{+}}}}\hspace{0.72em}} 4 &= 10 & \qquad 7 \mathbin{\hspace{0.72em}\mathclap{\vcenter{\Large\bigcirc}}\mathclap{\textcolor{#e03131}{\pmb{\boldsymbol{-}}}}\hspace{0.72em}} 5 &= 2 \end{aligned}\] \(\textcolor{#808080}{\text{Подходит и }{5 - 0 = 5}\text{.}}\)

\[\begin{aligned} 4 + 5 - \boxed{\kern0.035em\textcolor{#e03131}{\mathbf{6}}\kern0.035em} &= 3 & \qquad 5 + \boxed{\kern0.035em\textcolor{#e03131}{\mathbf{5}}\kern0.035em} - 6 &= 4 \\ \boxed{\kern0.035em\textcolor{#e03131}{\mathbf{8}}\kern0.035em} - 7 + 5 &= 6 & \qquad \boxed{\kern0.035em\textcolor{#e03131}{\mathbf{9}}\kern0.035em} - 4 + 2 &= 7 \\ 2 + 7 - \boxed{\kern0.035em\textcolor{#e03131}{\mathbf{5}}\kern0.035em} &= 4 & \qquad \boxed{\kern0.035em\textcolor{#e03131}{\mathbf{1}}\kern0.035em} + 3 + 4 &= 8 \\ \boxed{\kern0.035em\textcolor{#e03131}{\mathbf{9}}\kern0.035em} - 5 + 3 &= 7 & \qquad 6 - \boxed{\kern0.035em\textcolor{#e03131}{\mathbf{4}}\kern0.035em} + 7 &= 9 \\ 6 + 4 - \boxed{\kern0.035em\textcolor{#e03131}{\mathbf{7}}\kern0.035em} &= 3 & \qquad 4 + \boxed{\kern0.035em\textcolor{#e03131}{\mathbf{3}}\kern0.035em} - 2 &= 5 \\ \boxed{\kern0.035em\textcolor{#e03131}{\mathbf{8}}\kern0.035em} - 6 + 7 &= 9 & \qquad \boxed{\kern0.035em\textcolor{#e03131}{\mathbf{8}}\kern0.035em} - 3 - 4 &= 1 \\ 3 + \boxed{\kern0.035em\textcolor{#e03131}{\mathbf{1}}\kern0.035em} + 4 &= 8 & \qquad 8 + 2 - \boxed{\kern0.035em\textcolor{#e03131}{\mathbf{5}}\kern0.035em} &= 5 \\ 9 - 2 - \boxed{\kern0.035em\textcolor{#e03131}{\mathbf{5}}\kern0.035em} &= 2 & \qquad 9 - \boxed{\kern0.035em\textcolor{#e03131}{\mathbf{4}}\kern0.035em} + 5 &= 10 \\ 6 + \boxed{\kern0.035em\textcolor{#e03131}{\mathbf{0}}\kern0.035em} - 3 &= 3 & \qquad \boxed{\kern0.035em\textcolor{#e03131}{\mathbf{0}}\kern0.035em} + 8 + 2 &= 10 \end{aligned}\]