The difference between 82 and 51 is: 
The difference between 88 and 13 is: 
The difference between 84 and 51 is: 
The difference between 82 and 50 is: 
The difference between 72 and 51 is: 
The difference between 82 and 71 is: 
The difference between 90 and 59 is: 
The difference between 82 and 51 is: 