Odpowiedzi

2009-10-05T10:34:00+02:00
2009-10-05T10:37:10+02:00
2009-10-05T13:18:30+02:00
7\2+3\4=
3i1\2+3\4=
3i2\4+3\4=
3i5\4=4i1\4
1 4 1