Répondre :
A = 3 + 18x5 = 3 + 90 = 93
B = 3 x (18+5) = 3 x 23 = 69
C = 18 - 3x5 = 18 - 15 = 3
D = 5x18 / 3 = 90 / 3 = 30
E = (3+18)x (18-3) = 21 x 15 = 315
F = 3 x 18 + 3 x 5 = 54 + 15 = 69
B = 3 x (18+5) = 3 x 23 = 69
C = 18 - 3x5 = 18 - 15 = 3
D = 5x18 / 3 = 90 / 3 = 30
E = (3+18)x (18-3) = 21 x 15 = 315
F = 3 x 18 + 3 x 5 = 54 + 15 = 69