Réponses

  • Utilisateur Brainly
2014-01-30T18:53:37+01:00
4 + a/b = 4 * a/b
4 = 4a/b - a/b
4 = 3a/b
4/3 = a/b
2014-01-30T19:00:04+01:00
      4 ×a/b = 4+a/b
4×a/b - a/b=4
      3×a/b = 4
           a/b = 4/3