\[\boxed{\text{893\ (893).}\text{\ }\text{Еуроки\ -\ ДЗ\ без\ мороки}}\]
\[\textbf{а)}\frac{3!}{6!}\ \ и\ \ 10^{- 2}\]
\[\frac{3!}{6!} = \frac{3!}{3! \cdot 4 \cdot 5 \cdot 6} = \frac{1}{120}\]
\[10^{- 2} = \frac{1}{100}\]
\[\frac{3!}{6!} < 10^{- 2}.\]
\[\textbf{б)}\frac{15!}{10!}\ \ и\ 10^{5}\]
\[\frac{15!}{10!} = \frac{10! \cdot 11 \cdot 12 \cdot 13 \cdot 14 \cdot 15}{10!} =\]
\[= 360\ 360\ \]
\[10^{5} = 100\ 000\]
\[\frac{15!}{10!} > 10^{5}.\]
\[\boxed{\text{893.}\text{\ }\text{ОК\ ГДЗ\ -\ домашка\ на\ 5}}\]
\[\textbf{а)}\ x^{2} + y^{2} - 6|x| + 2y \leq - 1\]
\[\textbf{б)}\ \ x^{2} + y^{2} - 6x + 2|y| \leq - 1\]
\(\ \)