\[\boxed{\mathbf{2}\mathbf{.}\mathbf{59}}\]
\[\textbf{а)}\ (829 - 239) \cdot 75 = 590 \cdot 75 =\]
\[= 44\ 250\]
\[\textbf{б)}\ 2000 - (859 + 1085)\ :243 =\]
\[= 2000 - 1944\ :243 =\]
\[= 2000 - 8 = 1992\]
\[\textbf{в)}\ 1035\ :(4968\ :18\ :12) = 45\]
\[\textbf{г)}\ 14\ 976\ :48\ :(182\ :14) = 24\]
\[\textbf{д)}\ (760 + 350)\ :37 \cdot 54 =\]
\[= 1110\ :37 \cdot 54 = 30 \cdot 54 =\]
\[= 1620\]
\[\textbf{е)}\ (3381 + 103 \cdot 23)\ :125 = 46\]