The difference between 83 and 41 is: 
The difference between 38 and 13 is: 
The difference between 83 and 41 is: 
The difference between 83 and 42 is: 
The difference between 83 and 41 is: 
The difference between 83 and 41 is: 
The difference between 90 and 48 is: 
The difference between 83 and 41 is: 