MALIKOUM691 MALIKOUM691 Mathématiques Answered Exercice 5: Calcule les expressions suivantes pour a = -2; b = +3; c= -1 et d = +1: A = a + b +c+d B=a-b+c= d C=-a+b-c-d; E = -(a - b) - (c - d) F = (a - b) + (c- d). D = 1 (a + b) + (c + d)
