Jeu 1 :

Mes solutions :

• 158 = 25+100×6/75+25×5
• 158 = 75/25+25×6+5
• 158 = 6×(100×(25−5)−25)/75
• 158 = 100+25+75/25+6×5
• 158 = 100+75/25+25+6×5
• 158 = 100+25+75×(6+5)/25
• 158 = 75/25+(25+6)×5

Jeu 2: