Jeu 1 :

Mes solutions :

966 = (9×6−8)×(25−4)
966 = 9×(8+25×4)−6
966 = 6×(25×8−(9+4)×3)
966 = (9×8+25×(6+4))×3
966 = 25×9×4+6×(8+3)
966 = 6×(9×4+25×(8−3))
966 = 6×(25×8−(9×4+3))