Réponses

2014-10-10T15:23:58+02:00
Meilleure réponse !
2014-10-10T15:40:43+02:00
3/8 : - 3/4
= 3/8 x - 4/3
= - 12/24
= 12 x - 1 / 12 x 2
= - 1/2