Jeu 1 :

Mes solutions :

890 = 100+(75+25)×8−(6+4)
890 = (100−(75/25+8))×(6+4)
890 = 75+25+100×8−(6+4)
890 = 75×(8+4)−(100/25+6)
890 = 75×(100/25+8)−(6+4)
890 = 8×(100+75×4/25)−6