Réponses

  • Utilisateur Brainly
2014-09-10T22:43:08+02:00
1/7 + 1/2 + 1/3 + 1/6
= 1/7 + 3/6 + 2/6 + 1/6
= 1/7 + 6/6
= 6/42 + 42/42
= 48/42
=8/7