Respuestas

2012-07-10T23:02:10+02:00

5/4 - 2/4 = 3/4

8/7 - 2/7 = 5/7

6/9 - 3/9 = 3/9

4/2 - 3/2 = 1/2

3/3 - 2/3 = 1/3

2012-07-10T23:03:09+02:00