Odpowiedzi

2009-10-23T14:22:29+02:00
2009-10-23T14:22:30+02:00
(2,2-1¹/₂)•9=
= (2,2-1,5)•9=
= 0,7•9=
= 6,3

pzdr ;)
2009-10-23T14:29:57+02:00