Страница 35, ГДЗ по математике за 1 класс к тренажёру Погореловой
Вычисления вида □ + 5, □ − 5, □ + 6, □ − 6
\[\begin{aligned} 3 + 6 &= \textcolor{#e03131}{\mathbf{9}} & \qquad 7 - 6 &= \textcolor{#e03131}{\mathbf{1}} \\ 8 - 5 &= \textcolor{#e03131}{\mathbf{3}} & \qquad 2 + 5 &= \textcolor{#e03131}{\mathbf{7}} \\ 1 + 6 &= \textcolor{#e03131}{\mathbf{7}} & \qquad 3 + 5 &= \textcolor{#e03131}{\mathbf{8}} \\ 7 - 5 &= \textcolor{#e03131}{\mathbf{2}} & \qquad 9 - 6 &= \textcolor{#e03131}{\mathbf{3}} \\ 10 - 6 &= \textcolor{#e03131}{\mathbf{4}} & \qquad 1 + 5 &= \textcolor{#e03131}{\mathbf{6}} \\ 5 + 5 &= \textcolor{#e03131}{\mathbf{10}} & \qquad 9 - 5 &= \textcolor{#e03131}{\mathbf{4}} \\ 2 + 6 &= \textcolor{#e03131}{\mathbf{8}} & \qquad 8 - 6 &= \textcolor{#e03131}{\mathbf{2}} \\ 4 + 5 &= \textcolor{#e03131}{\mathbf{9}} & \qquad 6 - 5 &= \textcolor{#e03131}{\mathbf{1}} \end{aligned}\]
\[\begin{aligned} 8 - 4 - 2 &= \textcolor{#e03131}{\mathbf{2}} & \qquad 7 - 5 - 1 &= \textcolor{#e03131}{\mathbf{1}} \\ 4 + 3 + 2 &= \textcolor{#e03131}{\mathbf{9}} & \qquad 2 + 3 + 3 &= \textcolor{#e03131}{\mathbf{8}} \\ 3 + 4 + 2 &= \textcolor{#e03131}{\mathbf{9}} & \qquad 7 - 3 - 3 &= \textcolor{#e03131}{\mathbf{1}} \\ 6 - 1 - 4 &= \textcolor{#e03131}{\mathbf{1}} & \qquad 9 - 2 - 3 &= \textcolor{#e03131}{\mathbf{4}} \end{aligned}\]