Odpowiedź:
1)
1/5 < 2/5
2)
(1/7)⁷ = 1/7⁷
(1/7)⁷ < 2/7⁷
3)
-2⁶/3⁶ = - (2/3)⁶
(-2/3)⁶= (2/3)⁶
- (2/3)⁶ < ( -2/3)⁶
4)
-2⁹/(- 9)⁹ = (2/3)⁹
(-2/3)⁹= - (2/3)⁹
- 2⁹/- 9⁹ > (-2/9)⁹
