Respostas

2014-08-20T22:49:40-03:00


6. (5x) = 30x

(3a). (4a.a ) = 12a ao cubo

(-2x.x). (2x) = 4x ao cubo


2014-08-20T23:30:54-03:00
6 . 5x = 30x

3a . 4a² = 12a³

-2x² . 2x = -4x³
1 5 1