4-4-Tests corrigés - Chlorofil

... pour le travail exercice 33 p.96 x + 3 = 2 x = 2 3 x =1 x 3 = 2 x = 2 + 3 x = 5. 3 x = 2 x = 2. 3 x. 3. = 2 x = 2 × 3 x = 6 exercice 34 p.96. 2 x + 3 = 1.