\[\boxed{\mathbf{2}\mathbf{.}\mathbf{181}}\]
\[\textbf{а)}\ 39\ 452 - 16\ 452\ :(300 - 264) =\]
\[= 39\ 452 - 16\ 452\ :36 =\]
\[= 38\ 995\]
\[= 67\ 680\]
\[\textbf{в)}\ 93\ 601 - 601 \cdot (231 - 88) =\]
\[= 93\ 601 - 601 \cdot 143 = 7658\]
\[= 1\ 385\ 040\]