\[\boxed{\mathbf{Страница}\mathbf{\ 61}\mathbf{.}\mathbf{\ }Еуроки\ - \ ДЗ\ без\ мороки}\]
\[\boxed{\mathbf{5}\mathbf{.}\mathbf{\ }}\]
\[1248 \cdot 4 \Longrightarrow 2480 \cdot 4 \Longrightarrow\]
\[\Longrightarrow 2498 \cdot 4 \Longrightarrow 2748 \cdot 4 \Longrightarrow\]
\[\Longrightarrow 3248 \cdot 4\]
\[\boxed{\mathbf{6}\mathbf{.}\mathbf{\ }}\]
\[a\] | \[7\] | \[11\] | \[5\] | \[13\] | \[40\] | \[6\] | \[70\] |
---|---|---|---|---|---|---|---|
\[b\] | \[28\] | \[60\] | \[12\] | \[4\] | \[220\] | \[20\] | \[460\] |
\[\boxed{\mathbf{7}\mathbf{.}\mathbf{\ }}\]
\[Делимое\] | \[180\] | \[2800\] | \[450\] | \[2400\] | \[100\] | \[2500\] |
---|---|---|---|---|---|---|
\[Делитель\] | \[90\] | \[40\] | \[90\] | \[600\] | \[50\] | \[5\] |
\[Частное\] | \[2\] | \[70\] | \[5\] | \[4\] | \[2\] | \[500\] |
\[\boxed{\mathbf{8}\mathbf{.}\mathbf{\ }}\]
\[678\ :3 \cdot 0 = 0\]
\[1624\ :1624 = 1\]
\[972\ :9 \cdot (235 - 235) = 0\]
\[321 \cdot 3 = 963\]
\[565\ :5 = 113\]
\[842\ :2 = 421\]
\[\boxed{\mathbf{9}\mathbf{.}\mathbf{\ }}\]