Страница 9, ГДЗ по математике за 1 класс к тренажёру Погореловой
Вычитание вида □ − 2
\(\boxed{\kern0.035em\textcolor{#e03131}{\mathbf{8}}\kern0.035em} - \boxed{\kern0.035em\textcolor{#e03131}{\mathbf{2}}\kern0.035em} = \boxed{\kern0.035em\textcolor{#e03131}{\mathbf{6}}\kern0.035em}\)
\[\begin{aligned} 6 \overset{\mathclap{\textcolor{#808080}{\scriptstyle 4}}}{-} 2 &\mathrel{\hspace{0.72em}\mathclap{\vcenter{\Large\bigcirc}}\mathclap{\textcolor{#e03131}{\pmb{\boldsymbol{=}}}}\hspace{0.72em}} 4 & \qquad 9 - 1 \overset{\mathclap{\textcolor{#808080}{\scriptstyle 7}}}{-} 1 &\mathrel{\hspace{0.72em}\mathclap{\vcenter{\Large\bigcirc}}\mathclap{\textcolor{#e03131}{\pmb{\boldsymbol{<}}}}\hspace{0.72em}} 8 \\ 9 \overset{\mathclap{\textcolor{#808080}{\scriptstyle 7}}}{-} 2 &\mathrel{\hspace{0.72em}\mathclap{\vcenter{\Large\bigcirc}}\mathclap{\textcolor{#e03131}{\pmb{\boldsymbol{<}}}}\hspace{0.72em}} 8 & \qquad 4 - 1 \overset{\mathclap{\textcolor{#808080}{\scriptstyle 2}}}{-} 1 &\mathrel{\hspace{0.72em}\mathclap{\vcenter{\Large\bigcirc}}\mathclap{\textcolor{#e03131}{\pmb{\boldsymbol{=}}}}\hspace{0.72em}} 2 \\ 3 \overset{\mathclap{\textcolor{#808080}{\scriptstyle 1}}}{-} 2 &\mathrel{\hspace{0.72em}\mathclap{\vcenter{\Large\bigcirc}}\mathclap{\textcolor{#e03131}{\pmb{\boldsymbol{<}}}}\hspace{0.72em}} 2 & \qquad 5 - 1 \overset{\mathclap{\textcolor{#808080}{\scriptstyle 3}}}{-} 1 &\mathrel{\hspace{0.72em}\mathclap{\vcenter{\Large\bigcirc}}\mathclap{\textcolor{#e03131}{\pmb{\boldsymbol{<}}}}\hspace{0.72em}} 4 \\ 10 \overset{\mathclap{\textcolor{#808080}{\scriptstyle 8}}}{-} 2 &\mathrel{\hspace{0.72em}\mathclap{\vcenter{\Large\bigcirc}}\mathclap{\textcolor{#e03131}{\pmb{\boldsymbol{=}}}}\hspace{0.72em}} 8 & \qquad 7 - 1 \overset{\mathclap{\textcolor{#808080}{\scriptstyle 5}}}{-} 1 &\mathrel{\hspace{0.72em}\mathclap{\vcenter{\Large\bigcirc}}\mathclap{\textcolor{#e03131}{\pmb{\boldsymbol{=}}}}\hspace{0.72em}} 5 \end{aligned}\]
\[\begin{aligned} 9 - 2 &= \boxed{\kern0.035em\textcolor{#e03131}{\mathbf{7}}\kern0.035em}\ \swarrow & \qquad\qquad 10 - 2 &= \boxed{\kern0.035em\textcolor{#e03131}{\mathbf{8}}\kern0.035em}\ \swarrow \\ \swarrow\ \boxed{\kern0.035em\textcolor{#e03131}{\mathbf{7}}\kern0.035em} - 2 &= \boxed{\kern0.035em\textcolor{#e03131}{\mathbf{5}}\kern0.035em}\ \swarrow & \qquad\qquad \swarrow\ \boxed{\kern0.035em\textcolor{#e03131}{\mathbf{8}}\kern0.035em} - 2 &= \boxed{\kern0.035em\textcolor{#e03131}{\mathbf{6}}\kern0.035em}\ \swarrow \\ \swarrow\ \boxed{\kern0.035em\textcolor{#e03131}{\mathbf{5}}\kern0.035em} - 2 &= \boxed{\kern0.035em\textcolor{#e03131}{\mathbf{3}}\kern0.035em}\ \swarrow & \qquad\qquad \swarrow\ \boxed{\kern0.035em\textcolor{#e03131}{\mathbf{6}}\kern0.035em} - 2 &= \boxed{\kern0.035em\textcolor{#e03131}{\mathbf{4}}\kern0.035em}\ \swarrow \\ \swarrow\ \boxed{\kern0.035em\textcolor{#e03131}{\mathbf{3}}\kern0.035em} - 2 &= 1 & \qquad\qquad \swarrow\ \boxed{\kern0.035em\textcolor{#e03131}{\mathbf{4}}\kern0.035em} - 2 &= 2 \end{aligned}\]
