Réponses

  • Utilisateur Brainly
2013-12-28T09:55:42+01:00
b=(2-2/3)/(3+1/6)
  =(6/3-2/3)/(18/6+1/6)
  =(4/3)/(19/6)
  =(8/6)/(19/6)
  =8/19

c=(1/4+5/6)/(1/2-1)
  =(6/24+20/24)/(-1/2)
  =-2*26/24
  =-52/24
  =-13/6