Страница 2, ГДЗ по математике за 1 класс к тренажёру Погореловой
Сложение вида □ + 1
\[\begin{aligned} 3 + 1 &= \textcolor{#e03131}{\mathbf{4}} & \qquad 1 + 1 &= \textcolor{#e03131}{\mathbf{2}} & \qquad 6 + 1 &= \textcolor{#e03131}{\mathbf{7}} \\ 9 + 1 &= \textcolor{#e03131}{\mathbf{10}} & \qquad 5 + 1 &= \textcolor{#e03131}{\mathbf{6}} & \qquad 4 + 1 &= \textcolor{#e03131}{\mathbf{5}} \\ 2 + 1 &= \textcolor{#e03131}{\mathbf{3}} & \qquad 7 + 1 &= \textcolor{#e03131}{\mathbf{8}} & \qquad 8 + 1 &= \textcolor{#e03131}{\mathbf{9}} \end{aligned}\]
\[\begin{aligned} \boxed{\kern0.035em\textcolor{#e03131}{\mathbf{5}}\kern0.035em} + 1 &= 6 & \qquad \boxed{\kern0.035em\textcolor{#e03131}{\mathbf{6}}\kern0.035em} + 1 &= 7 & \qquad \boxed{\kern0.035em\textcolor{#e03131}{\mathbf{2}}\kern0.035em} + 1 &= 3 \\ \boxed{\kern0.035em\textcolor{#e03131}{\mathbf{3}}\kern0.035em} + 1 &= 4 & \qquad \boxed{\kern0.035em\textcolor{#e03131}{\mathbf{1}}\kern0.035em} + 1 &= 2 & \qquad \boxed{\kern0.035em\textcolor{#e03131}{\mathbf{8}}\kern0.035em} + 1 &= 9 \\ \boxed{\kern0.035em\textcolor{#e03131}{\mathbf{7}}\kern0.035em} + 1 &= 8 & \qquad \boxed{\kern0.035em\textcolor{#e03131}{\mathbf{9}}\kern0.035em} + 1 &= 10 & \qquad \boxed{\kern0.035em\textcolor{#e03131}{\mathbf{4}}\kern0.035em} + 1 &= 5 \end{aligned}\]
\[\begin{aligned} \boxed{\kern0.035em\textcolor{#e03131}{\mathbf{1}}\kern0.035em} \mathbin{\hspace{0.72em}\mathclap{\vcenter{\Large\bigcirc}}\mathclap{\textcolor{#e03131}{\pmb{\boldsymbol{+}}}}\hspace{0.72em}} 1 &= 2 & \qquad \boxed{\kern0.035em\textcolor{#e03131}{\mathbf{5}}\kern0.035em} \mathbin{\hspace{0.72em}\mathclap{\vcenter{\Large\bigcirc}}\mathclap{\textcolor{#e03131}{\pmb{\boldsymbol{+}}}}\hspace{0.72em}} 1 &= 6 & \qquad \boxed{\kern0.035em\textcolor{#e03131}{\mathbf{6}}\kern0.035em} \mathbin{\hspace{0.72em}\mathclap{\vcenter{\Large\bigcirc}}\mathclap{\textcolor{#e03131}{\pmb{\boldsymbol{+}}}}\hspace{0.72em}} 1 &= 7 \\ \boxed{\kern0.035em\textcolor{#e03131}{\mathbf{7}}\kern0.035em} \mathbin{\hspace{0.72em}\mathclap{\vcenter{\Large\bigcirc}}\mathclap{\textcolor{#e03131}{\pmb{\boldsymbol{+}}}}\hspace{0.72em}} 1 &= 8 & \qquad \boxed{\kern0.035em\textcolor{#e03131}{\mathbf{9}}\kern0.035em} \mathbin{\hspace{0.72em}\mathclap{\vcenter{\Large\bigcirc}}\mathclap{\textcolor{#e03131}{\pmb{\boldsymbol{+}}}}\hspace{0.72em}} 1 &= 10 & \qquad \boxed{\kern0.035em\textcolor{#e03131}{\mathbf{3}}\kern0.035em} \mathbin{\hspace{0.72em}\mathclap{\vcenter{\Large\bigcirc}}\mathclap{\textcolor{#e03131}{\pmb{\boldsymbol{+}}}}\hspace{0.72em}} 1 &= 4 \\ \boxed{\kern0.035em\textcolor{#e03131}{\mathbf{4}}\kern0.035em} \mathbin{\hspace{0.72em}\mathclap{\vcenter{\Large\bigcirc}}\mathclap{\textcolor{#e03131}{\pmb{\boldsymbol{+}}}}\hspace{0.72em}} 1 &= 5 & \qquad \boxed{\kern0.035em\textcolor{#e03131}{\mathbf{8}}\kern0.035em} \mathbin{\hspace{0.72em}\mathclap{\vcenter{\Large\bigcirc}}\mathclap{\textcolor{#e03131}{\pmb{\boldsymbol{+}}}}\hspace{0.72em}} 1 &= 9 & \qquad \boxed{\kern0.035em\textcolor{#e03131}{\mathbf{2}}\kern0.035em} \mathbin{\hspace{0.72em}\mathclap{\vcenter{\Large\bigcirc}}\mathclap{\textcolor{#e03131}{\pmb{\boldsymbol{+}}}}\hspace{0.72em}} 1 &= 3 \end{aligned}\]