Réponses

  • Utilisateur Brainly
2014-10-08T22:16:56+02:00
- 3 x (4 - 7) + 1 - (3 + 2) x 2
= - 3 x (- 3) + 1 - 5 x 2
= 9 + 1 - 10
= 10 - 10
= 0