Răspuns :
a - numarul
a - 10*a/100 = 360
a - a/10 = 360
9a/10 = 360
=> a = 360*10/9 => a = 400
a - 10*a/100 = 360
a - a/10 = 360
9a/10 = 360
=> a = 360*10/9 => a = 400