Страница 55, ГДЗ по математике за 2 класс к тренажёру Погореловой
Умножение и деление на 8
\[8 \quad 16 \quad \textcolor{#e03131}{\mathbf{24}} \quad \textcolor{#e03131}{\mathbf{32}} \quad \textcolor{#e03131}{\mathbf{40}} \quad \textcolor{#e03131}{\mathbf{48}} \quad \textcolor{#e03131}{\mathbf{56}} \quad \textcolor{#e03131}{\mathbf{64}} \quad \textcolor{#e03131}{\mathbf{72}} \quad 80\] \[80 \quad 72 \quad \textcolor{#e03131}{\mathbf{64}} \quad \textcolor{#e03131}{\mathbf{56}} \quad \textcolor{#e03131}{\mathbf{48}} \quad \textcolor{#e03131}{\mathbf{40}} \quad \textcolor{#e03131}{\mathbf{32}} \quad \textcolor{#e03131}{\mathbf{24}} \quad \textcolor{#e03131}{\mathbf{16}} \quad 8\]
\[\begin{aligned} 8 + 8 + 8 + 8 + 8 + 8 + 8 + 8 &= \textcolor{#e03131}{\mathbf{8}} \textcolor{#e03131}{\cdot} \textcolor{#e03131}{\mathbf{8}} = \textcolor{#e03131}{\mathbf{64}} \\ 8 + 8 + 8 &= \textcolor{#e03131}{\mathbf{8}} \textcolor{#e03131}{\cdot} \textcolor{#e03131}{\mathbf{3}} = \textcolor{#e03131}{\mathbf{24}} \\ 8 + 8 + 8 + 8 + 8 + 8 + 8 + 8 + 8 &= \textcolor{#e03131}{\mathbf{8}} \textcolor{#e03131}{\cdot} \textcolor{#e03131}{\mathbf{9}} = \textcolor{#e03131}{\mathbf{72}} \end{aligned}\]
\[\begin{aligned} 8 \cdot 4 &= \textcolor{#e03131}{\mathbf{32}} & \qquad 8 \cdot 8 &= \textcolor{#e03131}{\mathbf{64}} & \qquad 8 \cdot 2 &= \textcolor{#e03131}{\mathbf{16}} \\ 8 \cdot 9 &= \textcolor{#e03131}{\mathbf{72}} & \qquad 8 \cdot 5 &= \textcolor{#e03131}{\mathbf{40}} & \qquad 8 \cdot 6 &= \textcolor{#e03131}{\mathbf{48}} \\ 8 \cdot 7 &= \textcolor{#e03131}{\mathbf{56}} & \qquad 8 \cdot 1 &= \textcolor{#e03131}{\mathbf{8}} & \qquad 8 \cdot 3 &= \textcolor{#e03131}{\mathbf{24}} \end{aligned}\]
\[\begin{aligned} 48 : 8 &= \textcolor{#e03131}{\mathbf{6}} & \qquad 8 : 8 &= \textcolor{#e03131}{\mathbf{1}} & \qquad 64 : 8 &= \textcolor{#e03131}{\mathbf{8}} \\ 16 : 8 &= \textcolor{#e03131}{\mathbf{2}} & \qquad 32 : 8 &= \textcolor{#e03131}{\mathbf{4}} & \qquad 24 : 8 &= \textcolor{#e03131}{\mathbf{3}} \\ 40 : 8 &= \textcolor{#e03131}{\mathbf{5}} & \qquad 72 : 8 &= \textcolor{#e03131}{\mathbf{9}} & \qquad 56 : 8 &= \textcolor{#e03131}{\mathbf{7}} \end{aligned}\]
