Besoin d’aide pour le petit 1 SVP

Bonsoir

A = (-4 x 3)/(-8 + 2)

A = -12/-6

A = 12/6

A = 2

B = (-9 + 6 - 5)/(3 - (6 - 8))

B = -8/(3 - 6 + 8)

B = -8/5

C = ((6 - 3) x (-9 + 5))/[(7 - 9 + 1) x 2]

C = 3 x (-4) / (-1 x 2)

C = -12/-2

C = 12/2

C = 6