Odpowiedzi

2010-02-17T19:37:29+01:00
(-1,2)²)⁻¹ = (1,44)⁻¹= (144/10)⁻¹= 10/144= 5/72
2010-02-17T19:39:01+01:00
((-1,2)²)⁻¹ = (-1,2)⁻² = 1/1,44
2010-02-17T19:40:21+01:00
((-1,2)²)⁻¹
= (-10/12) do pot.2
= ( - 25/36)