Respuestas

2012-10-15T00:26:47+02:00

7/20 + 0,65 = 7/20 + 13/20 = 1


 1 - 3/25 = 25/25 - 3/25 = 22/25 = 0.88

2012-10-15T00:29:03+02:00

7/20 + 0.65 

7/20 = 0.35

0.35 + 0.65 = 1

 

1- 3/25 = 22/25