Réponses

  • Utilisateur Brainly
2014-09-06T12:42:21+02:00
5/6-1/3
= 5/6-2/6
= 3/6
= 1/2

7/10+3/8
= 56/80+30/80
= 86/80
= 21/20

3-5/7
= 21/7-5/7
= 16/7