Exercice 1: A faire sur la copie Calculer en détaillant toutes les étapes : I = 2-5x(18 -4 ) K= 4: (10-5) - 14 J= 26 (6-6x5) L = (13-31) : (-3) × (-2) CALCULER
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Explications étape par étape:
I = 2 - (5 × 14) = 2 - 70 = -68
K = (4 ÷ 5) - 14 = 4/5 - 68/5 = -64/5
J = 26 ( 6-30) = 26 × (-24) = -624
L = (-1/-3) × (-2) = 2/3