\[Проверим\ себя\ и\ оценим\ \]
\[свои\ достижения\]
\[\boxed{\mathbf{Вариант}\mathbf{\ 1}\mathbf{.}\mathbf{\ }Еуроки\ - \ ДЗ\ без\ мороки}\]
\[\boxed{\mathbf{1}\mathbf{.}\mathbf{\ }}\]
\[\boxed{\mathbf{2}\mathbf{.}\mathbf{\ }}\]
\[\boxed{\mathbf{3}\mathbf{.}\mathbf{\ }}\]
\[3 \cdot 9 = 27\]
\[Ответ:27.\]
\[\boxed{\mathbf{4}\mathbf{.}\mathbf{\ }}\]
\[18\ :6 = 3\]
\[Ответ:\ 3.\]
\[\boxed{\mathbf{5}\mathbf{.}\mathbf{\ }}\]
\[\boxed{\mathbf{6}\mathbf{.}\mathbf{\ }}\]
\[\boxed{\mathbf{7}\mathbf{.}\mathbf{\ }}\]
\[\boxed{\mathbf{8}\mathbf{.}\mathbf{\ }}\]
\[40 + (15 - 7) \cdot 2 = 40 + 8 \cdot 2 =\]
\[= 40 + 16 = 56\]
\[Ответ:56.\]
\[\boxed{\mathbf{9}\mathbf{.}\mathbf{\ }}\]
\[12\ :3 = 4\ (тетради) - в\ \]
\[первой\ папке.\]
\[Ответ:\ \ «\ :».\]