Réponse:
Lucas = 4x7-3x4-10x2 = 28-32 =-4
Juliette = 13x4-7x4 = 52-28 = 24
Albert = 9x4-11x2 = 36-22 = 14
Maria =-4x4-16x2 =-16-32 =-48
Le classement est donc J-A-LM
