Bonjour
L= -2x8-4x(-10)/2
L = - 16 + 40/2
L = - 16 + 20
L = 4
M= -8/2x(-5)+9
M = - 4 x (- 5) + 9
M = 20 + 9
M = 29
P= 4x{-15-3x(-4)}
R = 4 x (- 15 + 12)
R = 4 x (- 3)
R = - 12
N= -5-10/{3-(-2)}
N = - 5 + 10 / (3 + 2)
N = - 5 + 10/5
N = - 5 + 2
N = - 2
Q= 3-18/-3-6
Q = 3 + 6 - 6
Q = 3.