Odpowiedzi

2010-01-05T10:34:51+01:00
Ix-2/5I = 3/4
x-2/5 = 3/4 i -x+2/5 = 3/4
x=3/4+2/5 i -x=3/4-2/5
x=15/20+8/20 i -x=15/20-8/20
x=23/20 i x=-7/20