Réponses

2014-04-14T19:28:03+02:00
A = (3/5 + 5/6)  x ( 11/6 - 2/5)
A = (3 x 6 / 5 x 6 + 5 x 5 / 6 x 5) x (11 x 5 / 6 x 5 - 2 x 6 / 5 x 6)
A = (18/30 + 25/30) x (55/30 - 12/30)
A = 43/30 x 43/30
A = 1849/900