The difference between 84 and 83 is: 
The difference between 77 and 30 is: 
The difference between 84 and 83 is: 
The difference between 84 and 82 is: 
The difference between 94 and 83 is: 
The difference between 84 and 23 is: 
The difference between 90 and 89 is: 
The difference between 84 and 83 is: 