Respostas

2013-12-06T11:19:35-02:00
2013-12-06T11:20:16-02:00
(y³ + 5b)² = (y³ + 5b).(y³ + 5b)
y^6 + 5by³ + 5by³ + 25b²
y^6 + 10by³ + 25b²
1 5 1