Réponses

Meilleure réponse !
2014-09-08T19:17:44+02:00
A = 2 - (2 - 3 x 4) - 2 x 3
A = 2 - (2 - 12) - 6
A = 2 - (- 10) - 6
A = 2 + 10 - 6
A = 12 - 6
A = 6
2014-09-08T19:21:14+02:00