Réponses

  • Utilisateur Brainly
2013-09-08T17:35:37+02:00
A=(3/5)/(7/8)
  =(3/5)*(8/7)
  =24/35

b=(4/11)/(8/5)
  =(4/11)*(5/8)
  =20/88
  =5/22