Odpowiedzi

2009-12-11T14:14:15+01:00
3/28 x 4/5 = 12/140 = 3/35
8/27 x 45/64 = 360/1728=5/24
12/11 x 55/6 x 2/5 = 1320/330=4
2009-12-11T14:14:36+01:00