\[\boxed{\text{255\ (255).\ }\text{Еуроки\ -\ ДЗ\ без\ мороки}}\]
Пояснение.
Решение.
\[1){\ 3}^{- 2\ } < \ ( - 3)^{0}\ \]
\[\frac{1}{9} < 1\]
\[2)\ 3^{- 1} + 2^{- 1} > \text{\ \ }5^{- 1}\]
\[\frac{1^{\backslash 2}}{3} + \frac{1^{\backslash 3}}{2} > \ \frac{1}{5}\]
\[\frac{5}{6} > \frac{1}{5}\ \]
\[3)\ \left( \frac{1}{4} \right)^{- 2} - \left( \frac{1}{5} \right)^{- 2} < \left( \frac{1}{4} - \frac{1}{5} \right)^{- 2}\]
\[16 - 25 < \ \frac{20^{2}}{1}\text{\ \ }\]
\[- 9 < 20^{2}\]
\[\boxed{\text{255.\ }\text{Еуроки\ -\ ДЗ\ без\ мороки}}\]
Пояснение.
Решение.
\[1){\ 3}^{- 2\ } < \ ( - 3)^{0}\ \]
\[\frac{1}{9} < 1\]
\[2)\ 3^{- 1} + 2^{- 1} > \text{\ \ }5^{- 1}\]
\[\frac{1^{\backslash 2}}{3} + \frac{1^{\backslash 3}}{2} > \ \frac{1}{5}\]
\[\frac{5}{6} > \frac{1}{5}\ \]
\[3)\ \left( \frac{1}{4} \right)^{- 2} - \left( \frac{1}{5} \right)^{- 2} < \left( \frac{1}{4} - \frac{1}{5} \right)^{- 2}\]
\[16 - 25 < \ \frac{20^{2}}{1}\text{\ \ }\]
\[- 9 < 20^{2}\]