Réponses

  • Utilisateur Brainly
2014-09-27T20:14:28+02:00
6 : 7 + 1/2 + 3/4 + 5/6
= 6 : 7 + 6/12 + 9/12 + 10/12
= 6/7 + 25/12
= 72/84 + 175/84
= 257/84