Odpowiedzi

2010-01-23T22:49:40+01:00
[5²*(5/3)⁻¹-(3-1/2)⁻²]:21/2=[25*3/5-(3-1/2)⁻²]:21/2=[15-(2½)⁻²]21/2=[15-(5/2)⁻²]:21/2=[15-(2/5)²]:21/2=[15-4/25]*2/21=14i 21/25*2/21=724/525