Bonjour,
Donner une écriture plus simple :
A = 7 * y
A = 7y ✅️
B = s * 3
B = 3s ✅️
C = 2 * z * (-6)
C = -12 * z
C = -12z ✅️
D = 1 * x
D = x ✅️
E = c * (-3) * c
E = c² * (-3)
E = -3c² ✅️
F = 3 * t * (-2)
F = 3t * (-2)
F = -6t ✅️
* = multiplication
Bonne journée.