Respuestas

2012-11-06T21:00:11+01:00

6,54+3,28= 10,36+2,41= 12,77, 21/2= 10,5 12,77-10,5=2.27

2012-11-06T21:07:48+01:00

 

6,54+3,82+2,4= 12.77

21/2=10.5 

 12.77-10.5 =2.27