Sagot :
Si on choisit 5:
5 +12 = 17
17 * 5 = 85
85 + (2*5) = 95
Si on choisit x:
x + 12
5 * (x+12) = 5x + 60
5x + 60 + 2x = 7x + 60
Si on choisit 5:
5 +12 = 17
17 * 5 = 85
85 + (2*5) = 95
Si on choisit x:
x + 12
5 * (x+12) = 5x + 60
5x + 60 + 2x = 7x + 60