The difference between 91 and 82 is: 
The difference between 60 and 46 is: 
The difference between 98 and 82 is: 
The difference between 91 and 80 is: 
The difference between 91 and 82 is: 
The difference between 91 and 52 is: 
The difference between 99 and 80 is: 
The difference between 91 and 82 is: 