Respuestas

2011-11-10T21:57:46+01:00

1/2 -1/v = 1/3

-1/v = 1/3 -1/2
-1/v = 2/6 - 3/6
-1/v = -1/6 | *v
-1 = - 1/6 v | :1/6
- 1 : 1/6 = v
v = -6