\[\boxed{\mathbf{Страница}\mathbf{\ \ 24}\mathbf{.}\mathbf{\ }Еуроки\ - \ ДЗ\ без\ мороки}\]
\[\boxed{\mathbf{49}\mathbf{.}\mathbf{\ }}\]
\[9 \cdot 3 = 27\ (рублей) - 3\ ручки.\]
\[\Longrightarrow \boxed{3}\]
\[9 - 3 = 6\ (рублей) - стоит\ \]
\[карандаш. \Longrightarrow \boxed{4}\]
\[9\ :3 = 3\ (рубля) - одна\ \]
\[закладка. \Longrightarrow \boxed{1}\]
\[9 + 3 = 12\ (рублей) - стоит\ \]
\[карандаш. \Longrightarrow \boxed{2}\]
\[9\ :3 = 3\ (ручки) - можно\ \]
\[купить. \Longrightarrow \boxed{1}\]
\[9 + 3 = 12\ (рублей) - стоит\ \]
\[линейка. \Longrightarrow \boxed{2}\]
\[9 \cdot 3 = 18\ (рублей) - стоит\ \]
\[линейка. \Longrightarrow \boxed{3}\]
\[\boxed{\mathbf{50}\mathbf{.}}\]
\[4 \cdot 5\] | \[2 \cdot 4\] | \[16\ :4\] | \[4 \cdot 3\] | \[24\ :4\] | \[24\ :6\] | \[3 \cdot 6\] | \[36\ :9\] | \[20\ :5\] |
---|---|---|---|---|---|---|---|---|
\[20\] | \[8\] | \[4\] | \[12\] | \[6\] | \[4\] | \[18\] | \[4\] | \[4\] |
\[8\ :4\] | \[24\ :8\] | \[4 \cdot 5\] | \[16\ :8\] | \[4 \cdot 8\] | \[4 \cdot 10\] | \[32\ :4\] | \[7 \cdot 4\] | \[6 \cdot 4\] |
\[2\] | \[3\] | \[20\] | \[2\] | \[32\] | \[40\] | \[8\] | \[28\] | \[24\] |
\[\boxed{\mathbf{51}\mathbf{.}\mathbf{\ }}\]
\[32\ :4 \Longrightarrow 8 \cdot 2 \Longrightarrow 16\ :4 \Longrightarrow\]
\[\Longrightarrow 4 \cdot 3 \Longrightarrow 12\ :6 \Longrightarrow 2\]