Salut salut j'ai besoin d'aide a se niveau la (l'exercice 2)

ex2

A = [2/3) + 5/3]/3/11 = 7/3/3/11 = 7 x 11/9 = 77/9

B = - 2 + (4/3) x (11/2) = - 2 + (4 x 11/3x2) = - 2 + (22/3) = (-6 + 22)/3 = 16/3