Bonsoir,
74) Calculer le plus simplement possible:
A = 5 x 12/6
A = 60/6
A = 10/1 = 10
B = 2/7 x 14
B = 28/7
B = 4/1 = 4
C = 5 x 10/20
C = 50/20
C = 5/2 = 2,5
76) Quel est l'âge de Petros?
75 x 2/5 = 150/5 = 30/1 = 30
Petros a 30 ans.
Bonne soirée.
