published on: 2013-11-05 03:09:26
∆=b²-4.a.c
you're amazing
neto monteiro
@phelipeyank
white mustang
Dust in the wind.
published on: 2013-11-05 03:09:26
∆=b²-4.a.c
you're amazing
neto monteiro
@phelipeyank
white mustang
Dust in the wind.