Страница 47, ГДЗ по математике за 2 класс к тренажёру Погореловой
Умножение и деление на 4
\[4 \quad 8 \quad \textcolor{#e03131}{\mathbf{12}} \quad \textcolor{#e03131}{\mathbf{16}} \quad \textcolor{#e03131}{\mathbf{20}} \quad \textcolor{#e03131}{\mathbf{24}} \quad \textcolor{#e03131}{\mathbf{28}} \quad \textcolor{#e03131}{\mathbf{32}} \quad \textcolor{#e03131}{\mathbf{36}} \quad 40\] \[40 \quad 36 \quad \textcolor{#e03131}{\mathbf{32}} \quad \textcolor{#e03131}{\mathbf{28}} \quad \textcolor{#e03131}{\mathbf{24}} \quad \textcolor{#e03131}{\mathbf{20}} \quad \textcolor{#e03131}{\mathbf{16}} \quad \textcolor{#e03131}{\mathbf{12}} \quad \textcolor{#e03131}{\mathbf{8}} \quad 4\]
\[\begin{aligned} 4 + 4 + 4 &= \textcolor{#e03131}{\mathbf{4}} \textcolor{#e03131}{\cdot} \textcolor{#e03131}{\mathbf{3}} = \textcolor{#e03131}{\mathbf{12}} \\ 4 + 4 + 4 + 4 + 4 + 4 + 4 &= \textcolor{#e03131}{\mathbf{4}} \textcolor{#e03131}{\cdot} \textcolor{#e03131}{\mathbf{7}} = \textcolor{#e03131}{\mathbf{28}} \\ 4 + 4 + 4 + 4 + 4 &= \textcolor{#e03131}{\mathbf{4}} \textcolor{#e03131}{\cdot} \textcolor{#e03131}{\mathbf{5}} = \textcolor{#e03131}{\mathbf{20}} \end{aligned}\]
\[\begin{aligned} 4 \cdot 2 &= \textcolor{#e03131}{\mathbf{8}} & \qquad 4 \cdot 6 &= \textcolor{#e03131}{\mathbf{24}} & \qquad 4 \cdot 4 &= \textcolor{#e03131}{\mathbf{16}} \\ 4 \cdot 9 &= \textcolor{#e03131}{\mathbf{36}} & \qquad 4 \cdot 3 &= \textcolor{#e03131}{\mathbf{12}} & \qquad 4 \cdot 1 &= \textcolor{#e03131}{\mathbf{4}} \\ 4 \cdot 5 &= \textcolor{#e03131}{\mathbf{20}} & \qquad 4 \cdot 7 &= \textcolor{#e03131}{\mathbf{28}} & \qquad 4 \cdot 8 &= \textcolor{#e03131}{\mathbf{32}} \end{aligned}\]
\[\begin{aligned} 36 : 4 &= \textcolor{#e03131}{\mathbf{9}} & \qquad 8 : 4 &= \textcolor{#e03131}{\mathbf{2}} & \qquad 24 : 4 &= \textcolor{#e03131}{\mathbf{6}} \\ 4 : 4 &= \textcolor{#e03131}{\mathbf{1}} & \qquad 28 : 4 &= \textcolor{#e03131}{\mathbf{7}} & \qquad 12 : 4 &= \textcolor{#e03131}{\mathbf{3}} \\ 20 : 4 &= \textcolor{#e03131}{\mathbf{5}} & \qquad 16 : 4 &= \textcolor{#e03131}{\mathbf{4}} & \qquad 32 : 4 &= \textcolor{#e03131}{\mathbf{8}} \end{aligned}\]
