The difference between 52 and 31 is: 
The difference between 93 and 10 is: 
The difference between 52 and 31 is: 
The difference between 52 and 30 is: 
The difference between 82 and 31 is: 
The difference between 52 and 11 is: 
The difference between 60 and 39 is: 
The difference between 52 and 31 is: 