The difference between 59 and 57 is: 
The difference between 81 and 29 is: 
The difference between 58 and 57 is: 
The difference between 59 and 50 is: 
The difference between 89 and 57 is: 
The difference between 59 and 17 is: 
The difference between 61 and 59 is: 
The difference between 59 and 57 is: 