The difference between 57 and 26 is: 
The difference between 45 and 39 is: 
The difference between 57 and 26 is: 
The difference between 57 and 21 is: 
The difference between 37 and 26 is: 
The difference between 57 and 36 is: 
The difference between 60 and 29 is: 
The difference between 57 and 26 is: 