Réponses

  • Utilisateur Brainly
2014-10-08T17:32:00+02:00
- 1,21/7,7
= - 121/770
= - (11 x 11)/(70 x 11)
= - 11/70

- 34/51
= - (17 x 2)/(17 x 3)
= - 2/3

- 65/39
= - (13 x 5)/(13 x 3)
= 5/3