\[\boxed{\text{108.}\text{\ }\text{Еуроки\ -\ ДЗ\ без\ мороки}}\]
\[= 1\ 500\ :(500 - 400) =\]
\[= 1\ 500\ :100 = 15.\]
\[= 150 \cdot 300\ :2 =\]
\[= 45\ 000\ :2 = 22\ 500.\]
\[= 3\ 546 - 1\ 132 + 819 =\]
\[= 2\ 414 + 819 = 3\ 233.\]
\[= 1\ 254 + 129 - 967 =\]
\[= 1\ 383 - 967 = 416.\]