CHARLES334413 CHARLES334413 22-06-2022 Mathématiques Answered 47 Calculer. A=-1+2-3+4-5+6 B = 12-21+9+15-11 C=-19-4+ 13-24 +5 47 Calculer . A = -1 + 2-3 + 4-5 + 6 B = 12-21 + 9 + 15-11 C = -19-4 + 13-24 +5
