Bonjour
A = 6 x 2 + (- 3)/5
A = 12 - 3/5
A = (12 x 5) / (1 x 5) - 3/5
A = 60/5 - 3/5
A = 57/5
B = (6 - 8) x 5/4
B = - 2 x 5/4
B = - 10/4
B = (2 x - 5) / (2 x 2)
B = - 5/2
C = (3 + 5) / (3 - 4)
C = 8/- 1
C = - 8
D = (- 5) / (- 3 + 4) x 3
D= - 5/1 x 3
D = - 15/1
D = - 15
E = (3 + (- 5)) / (- 3 + 4) x 3/5
E = (3 - 5) / 1 x 3/5
E = - 2 x 3/5
E = - 6/5.