Réponses

2013-12-14T18:36:14+01:00
Bonsoir

Léa = 2./15
Florian = 1/9
Part des 2 = 2/15 +1/9 = 6/45 + 5/45 = 11/45
Il reste donc : 45/45 - 11/45 = 34/45
Part des 2 autres = 34/45 : 2
24/45 x 1/2 = 24/90 = 4/15 chacun