§ Задание 515
\[\boxed{\text{5.515.}}\]
\[\textbf{а)}\ (31\ 941\ :63 - 32)\ \ :5 = 95\]

\[507 - 32 = 475\]
\[475\ :5 = 95\]
\[\textbf{б)}\ (46 \cdot 25 - 315\ :35)\ :163 = 7\]

\[315\ :35 = 9\]
\[1150 - 9 = 1141\]
\[1141\ :163 = 7\]
\[\boxed{\text{5.515.}}\]
\[\textbf{а)}\ (31\ 941\ :63 - 32)\ \ :5 = 95\]

\[507 - 32 = 475\]
\[475\ :5 = 95\]
\[\textbf{б)}\ (46 \cdot 25 - 315\ :35)\ :163 = 7\]

\[315\ :35 = 9\]
\[1150 - 9 = 1141\]
\[1141\ :163 = 7\]