Respuestas

2013-11-13T04:34:23+01:00
2/8= 1/4 =4/16
2/7= 4/14 =8/28
3/8= 6/16 =12/32
5/2= 10/4 =20/8
1/9= 2/18 =4/36
5/9= 10/18 =20/36
1/6= 2/12 = 4/24
5/8= 10/16 =20/32
3/9= 6/18 =12/36