Respuestas

2011-11-17T21:54:00+01:00
7 8/9 - 6 7/9 = 1 1/9 4 - 3 4/5 = 3 5/5 - 3 4/5 = 1/5 1 - 3/8 = 8/8 - 3/8 = 5/8 4 5/12 - 7/12 = 3 17/12 - 7/12 = 3 10/12 = 3 5/6