Réponses

  • Utilisateur Brainly
2014-09-06T18:02:25+02:00
A= 7/2 + 5/6 - 9/2 + 13/6
A= 21/6 + 5/6 - 27/6 + 13/6
A= 12/6
A= 2

B= 3/10 - 2/5 + 11/10 - 1
B= 3/10 - 4/10 + 11/10 - 10/10
B= 0/10
B= 0