Jeu 1 :

Mes solutions :

826 = (100+75)×(3+2)+1−50
826 = 75+3×(50+100×2)+1
826 = 3×(75+100×2)+1
826 = (100+50)×3×2+1−75
826 = 3×(100+75+50×2)+1
826 = 75+(100+50)×(3+2)+1