\[\boxed{\text{6.349.}}\]
\[\textbf{а)}\ 33,5\ :10 = 3,35\ \]
\[47,8\ :10 = 4,78\ \]
\[5,16\ :10 = 0,516\ \]
\[7,3\ :10 = 0,73.\ \]
\[\textbf{б)}\ 603\ :100 = 6,03\ \]
\[36,7\ :100 = 0,367\ \]
\[4,7\ :100 = 0,047\ \]
\[0,5\ :100 = 0,005\ \]
\[0,07\ :100 = 0,0007.\ \]
\[\textbf{в)}\ 167,3\ :14 = 11,95\ \]
\[1,536\ :128 = 0,012\ \]
\[0,4221\ :42 = 0,01005\ \]
\[234,6\ :345 = 0,68\ \]
\[50,14\ :436 = 0,115\ \]