Réponses

2014-09-06T12:29:20+02:00
C = (2/9 + 5/6) : 5/2
C = (2 x 2 / 9 x 2 + 5 x 3 / 6 x 3) : 5/2
C = (4/18 + 15/18) : 5/2
C = 19/18 : 5/2
C = 19/18 x 2/5
C = 38/450
C = 2 x 19 / 2 x 225
C = 19/225