Réponses

  • Utilisateur Brainly
2014-09-07T11:05:56+02:00
15 - 30 + 2 x (- 15)
= 15 - 30 + (- 30)
= 15 - 30 - 30
= 15 - 60
= - 45
2014-09-07T11:11:07+02:00
15 - 30 + 2 x (- 15)
= 15 - 30 - 30
= 15 - 60
= - 45