The difference between 89 and 57 is: 
The difference between 81 and 10 is: 
The difference between 89 and 57 is: 
The difference between 89 and 56 is: 
The difference between 89 and 57 is: 
The difference between 89 and 57 is: 
The difference between 91 and 59 is: 
The difference between 89 and 57 is: 