Réponses

2014-10-23T12:52:46+02:00
Bonjour

m/3 = 7/4

4 m /12 = 21/12
4 m = 21
m = 21/4
m x 4 = 84/4 = 21
  • Utilisateur Brainly
2014-10-23T13:20:29+02:00