Страница 63, ГДЗ по математике за 1 класс к тренажёру Погореловой
Повторение. Числа от 11 до 20
\[\begin{aligned} 4 + 7 &= \textcolor{#e03131}{\mathbf{11}} & \qquad 15 - 8 &= \textcolor{#e03131}{\mathbf{7}} \\ 12 - 6 &= \textcolor{#e03131}{\mathbf{6}} & \qquad 12 - 5 &= \textcolor{#e03131}{\mathbf{7}} \\ 7 + 8 &= \textcolor{#e03131}{\mathbf{15}} & \qquad 9 + 7 &= \textcolor{#e03131}{\mathbf{16}} \\ 7 + 6 &= \textcolor{#e03131}{\mathbf{13}} & \qquad 14 - 6 &= \textcolor{#e03131}{\mathbf{8}} \\ 15 - 9 &= \textcolor{#e03131}{\mathbf{6}} & \qquad 5 + 9 &= \textcolor{#e03131}{\mathbf{14}} \\ 8 + 4 &= \textcolor{#e03131}{\mathbf{12}} & \qquad 17 - 8 &= \textcolor{#e03131}{\mathbf{9}} \\ 11 - 4 &= \textcolor{#e03131}{\mathbf{7}} & \qquad 16 - 9 &= \textcolor{#e03131}{\mathbf{7}} \\ 5 + 7 &= \textcolor{#e03131}{\mathbf{12}} & \qquad 3 + 8 &= \textcolor{#e03131}{\mathbf{11}} \\ 18 - 9 &= \textcolor{#e03131}{\mathbf{9}} & \qquad 13 - 8 &= \textcolor{#e03131}{\mathbf{5}} \\ 16 - 6 &= \textcolor{#e03131}{\mathbf{10}} & \qquad 9 + 9 &= \textcolor{#e03131}{\mathbf{18}} \\ 7 + 4 &= \textcolor{#e03131}{\mathbf{11}} & \qquad 17 - 8 &= \textcolor{#e03131}{\mathbf{9}} \\ 14 - 5 &= \textcolor{#e03131}{\mathbf{9}} & \qquad 7 + 6 &= \textcolor{#e03131}{\mathbf{13}} \\ 9 + 6 &= \textcolor{#e03131}{\mathbf{15}} & \qquad 13 - 8 &= \textcolor{#e03131}{\mathbf{5}} \end{aligned}\]