Réponse :
Explications étape par étape
Bonjour
Calculer :
A = 5/6 + 2/3
A = 5/6 + (2 x 2)/(3 x 2)
A = 5/6 + 4/6
A = 9/6
A = (3 x 3)/(2 x 3)
A = 3/2
B = 3/4 - 3/16
B = (3 x 4)/(4 x 4) - 3/16
B = 12/16 - 3/16
B = 9/16
C = 8/35 - 4/5
C = 8/35 - (4 x 7)/(5 x 7)
C = 8/35 - 28/35
C = -20/35
C = (-5 x 4)/(5 x 7)
C = -4/7
