Réponses

  • Utilisateur Brainly
2013-11-03T18:57:44+01:00
1/2 / (3- 5/2)-(2- 2/3)
=1/2/(6/2-5/2)-(6/3-2/3)
=1/2/(1/2)-4/3
=1-4/3
=3/3-4/3
=-1/3
2013-11-03T18:59:00+01:00
1/2 : (3-5/2)-(2-2/3)
1/2 : (6/2-5/2)-(6/3-2/3)
1/2 : 1/2-4/3
1-4/3
3/3-4/3
-1/3