B = (16 - 15) x 1 + 8
C = (30 - 2) x (8 + 2) : 4
D = 60 : 2 – 1 x (4 + 6)
E = 3 x 2 + 6 x (5 - 5 )
F = 5 x (5 - 4) : 5
Merci d'avance