Jeu 1 :

Mes solutions :

• 957 = (5+7×4)×(9×3+2)
• 957 = (7+4)×(9×5×2−3)
• 957 = (9×7×5+4)×3
• 957 = 3×(9×4×(7+2)−5)

Jeu 2: