Respostas

2014-02-22T18:40:05-03:00
X= 3,444... (x10) -> para tirar a dízima

10x= 34,444...
- 1x=  3,444...
----------------------
9x = 31
x = 31/9
1 5 1
x = -12,555... (x10)
10x = -125,555...
9x = -137 -> x= -137/9
Brigada
de nada
  • PeH
  • Ambicioso
2014-02-22T18:45:03-03:00