\[\boxed{\mathbf{18\ (16)}\mathbf{.}\mathbf{\ }Еуроки\ - \ ДЗ\ без\ мороки}\]
\[25 < x < 60\ \ \ \ \ \]
\[x = 30,\ 36,\ 42,\ 48,\ 54.\]
\[\boxed{\mathbf{18\ (}\mathbf{с}\mathbf{)}\mathbf{.}\mathbf{\ }Еуроки\ - \ ДЗ\ без\ мороки}\]
\[14 < x < 50\ \ \ \ \ \ \]
\[x = 49.\]
\[\boxed{\mathbf{18}.}\]
\[92 + 79 = 171 - Александров.\]
\[83 + 91 = 174 - Вагиев.\]
\[94 + 87 = 181 -\]
\[Дмитриев\ (ІІ\ место).\]
\[80 + 98 = 178 -\]
\[Иванов\ (ІІІ\ место).\]
\[96 + 86 = 182 -\]
\[Николаев\ (І\ место).\]
\[89 + 87 = 176 - Петров.\]