Jeu 1 :

Mes solutions :

952 = 7×(8+3×(75+1)−100)
952 = 100×7+3×(75+8+1)
952 = 8×(75×3+1−(100+7))
952 = 8×(100+(75+1)/(7−3))
952 = 8×(100+75/3+1−7)