Réponses

  • Utilisateur Brainly
2014-03-30T14:39:34+02:00
Bonjour !
11/2 + 7/2 = 18/2
11/2 + 3 = 17/2
7/2 + 5/6 = 13/3
3 + 5/6 = 23/6
18/2 + 23/6 = 77/6
17/2 + 13/3 = 77/6