Réponses

2014-02-27T18:46:34+01:00


F = (5/4 - 3/4) x (3/5 + 1/5)

F = 2/4 x 4/5

F = 8/20

F = 2/5


H = 1/5 + 8/5 x 3

H = 1/5 + 24/5

H = 25/5

H = 5