\[\boxed{\mathbf{1.}\mathbf{9}}\]
\[\textbf{а)}\ 0,6\ :0,03 = 60\ :3 = 20\]
\[\textbf{б)}\ 0,3\ :0,06 = 30\ :6 = 5\]
\[\textbf{в)}\ 0,01\ :0,005 = 10\ :5 = 2\]
\[\textbf{г)}\ 0,4\ :0,008 = 400\ :8 = 50\]