Bonjour,
La prochaine fois merci d'utiliser des formules de POLITESSE !!!
a) 741 : 19 = 39
b) 190/741 = (19 x 10) / (19 x 39) = 10/39
c) G = F - 1/3
G = 10/39 - 1/3
G = 10/39 - (1 x 13) / (3 x 13)
G = 10/39 - 13/39
G = - 3/39
G = (3 x - 1) / (3 x 13)
G = - 1/13
