Jeu 1 :

Mes solutions :

902 = (100−(75−3)/4)×(10+1)
902 = (75+4+3)×(100/10+1)
902 = 4×3×(75+1)−10
902 = (75+4+3)×(10+1)
902 = (100−(75+3))×(10×4+1)
902 = 4×3×(75+1)−100/10
902 = 4×(3×(100+1)−75)−10