Réponses

2014-06-14T10:47:56+02:00
35³/(-7)³ =(35/(-7))³                   j'ai appliqué a³/b³ = (a/b)³
35³/(-7)³ =(-5)³

as tu compris ? 
2014-06-14T10:51:10+02:00
A³/b³ = (a/b)³
35³/(-7)³
= (35/-7)³
= (5x7/-7)³
= (5/-1)³
= (-5)³