\[\boxed{\text{6.357.}}\]
\[1)\ (14 - 12,26) \cdot 3,5 =\]
\[= 1,74 \cdot 3,5 = 6,09\ \]
\[2)\ (16 - 14,52) \cdot 4,5 =\]
\[= 1,48 \cdot 4,5 = 6,66\]