Réponses

2014-10-17T17:40:03+02:00
  • x22
  • Modérateur Junior
2014-10-17T17:40:26+02:00
Bonsoir,

A= 16-42-4
=-26-4
= -30

B= 24-8+5*(-4)
=24-8-20
=16-20
= -4