\[\boxed{\mathbf{4.182}}\]
\[38\ 772 - 38\ 731 = 41\]
\[93\ 856 - 93\ 756 = 100\]
\[412\ 500\ :100 = 4125\]
\[76\ 600 + 4125 = 80\ 725\]
\[\textbf{в)}\ (2706 + 898)\ :68 - 44 =\]
\[= 53 - 44 = 9\]
\[2706 + 898 = 3604\]
\[\textbf{г)}\ \left( 20^{2} + 11^{2} - 13^{2} \right)\ :44 + 893 =\]
\[= 8 + 893 = 901\]
\[20^{2} + 11^{2} - 13^{2} =\]
\[= 400 + 121 - 169 =\]
\[= 521 - 169 = 352\]
\[352\ :44 = 8\]
\[= 13\ 200 - 13\ 110 = 90\]
\[603 - 53 = 550\]
\[\textbf{е)}\ 2214\ :\left( 12^{2} + 15^{2} \right) + 36 =\]
\[= 6 + 36 = 42\]
\[12^{2} + 15^{2} = 144 + 225 = 369\]
\[2214\ :369 = 6\ \]