The difference between 83 and 71 is: 
The difference between 62 and 55 is: 
The difference between 85 and 71 is: 
The difference between 83 and 72 is: 
The difference between 83 and 71 is: 
The difference between 83 and 41 is: 
The difference between 91 and 79 is: 
The difference between 83 and 71 is: 