Страница 24, ГДЗ по математике за 1 класс к тренажёру Погореловой
Вычисления вида □ + 3, □ − 3, □ + 4, □ − 4
\[\begin{aligned} \boxed{\kern0.035em\textcolor{#e03131}{\mathbf{7}}\kern0.035em} - 3 &= 4 & \qquad \boxed{\kern0.035em\textcolor{#e03131}{\mathbf{4}}\kern0.035em} + 4 &= 8 \\ \boxed{\kern0.035em\textcolor{#e03131}{\mathbf{5}}\kern0.035em} + 4 &= 9 & \qquad \boxed{\kern0.035em\textcolor{#e03131}{\mathbf{8}}\kern0.035em} - 3 &= 5 \\ \boxed{\kern0.035em\textcolor{#e03131}{\mathbf{3}}\kern0.035em} + 3 &= 6 & \qquad \boxed{\kern0.035em\textcolor{#e03131}{\mathbf{8}}\kern0.035em} - 4 &= 4 \\ \boxed{\kern0.035em\textcolor{#e03131}{\mathbf{6}}\kern0.035em} - 4 &= 2 & \qquad \boxed{\kern0.035em\textcolor{#e03131}{\mathbf{4}}\kern0.035em} + 3 &= 7 \\ \boxed{\kern0.035em\textcolor{#e03131}{\mathbf{3}}\kern0.035em} + 4 &= 7 & \qquad \boxed{\kern0.035em\textcolor{#e03131}{\mathbf{1}}\kern0.035em} + 4 &= 5 \\ \boxed{\kern0.035em\textcolor{#e03131}{\mathbf{4}}\kern0.035em} - 3 &= 1 & \qquad \boxed{\kern0.035em\textcolor{#e03131}{\mathbf{5}}\kern0.035em} - 3 &= 2 \\ \boxed{\kern0.035em\textcolor{#e03131}{\mathbf{9}}\kern0.035em} - 4 &= 5 & \qquad \boxed{\kern0.035em\textcolor{#e03131}{\mathbf{6}}\kern0.035em} + 3 &= 9 \\ \boxed{\kern0.035em\textcolor{#e03131}{\mathbf{1}}\kern0.035em} + 4 &= 5 & \qquad \boxed{\kern0.035em\textcolor{#e03131}{\mathbf{2}}\kern0.035em} + 4 &= 6 \\ \boxed{\kern0.035em\textcolor{#e03131}{\mathbf{5}}\kern0.035em} + 2 &= 7 & \qquad \boxed{\kern0.035em\textcolor{#e03131}{\mathbf{5}}\kern0.035em} - 4 &= 1 \\ \boxed{\kern0.035em\textcolor{#e03131}{\mathbf{6}}\kern0.035em} - 2 - 1 &= 3 & \qquad \boxed{\kern0.035em\textcolor{#e03131}{\mathbf{5}}\kern0.035em} - 2 - 2 &= 1 \\ \boxed{\kern0.035em\textcolor{#e03131}{\mathbf{4}}\kern0.035em} + 3 + 2 &= 9 & \qquad \boxed{\kern0.035em\textcolor{#e03131}{\mathbf{4}}\kern0.035em} + 2 + 2 &= 8 \\ \boxed{\kern0.035em\textcolor{#e03131}{\mathbf{8}}\kern0.035em} - 3 - 1 &= 4 & \qquad \boxed{\kern0.035em\textcolor{#e03131}{\mathbf{5}}\kern0.035em} - 1 - 2 &= 2 \\ \boxed{\kern0.035em\textcolor{#e03131}{\mathbf{2}}\kern0.035em} + 1 + 2 &= 5 & \qquad \boxed{\kern0.035em\textcolor{#e03131}{\mathbf{8}}\kern0.035em} - 2 - 1 &= 5 \end{aligned}\]
