MAKEIT MAKEIT Mathématiques Answered Supprimer les parenthèses: et calculer (-9) - (+5) =(+9) - (-5) = (-9) - (4)A= 4 +-7 + 9) - 10 =B=-4-(-7 +9) - 10 =C=-4-(7-9) - 10 =D= (9-3) - (-1 +5) =E= 6 + (10 - 8) + 12 =F= 6 - (10 - 8) + 12 =G= 6 + (-10 - 8) - 12 =H= (10,52 - 9)-(-4-11,0) =(-10) - (-2) =(+10) - (+2) bonsoir svp aide moi