The difference between 48 and 17 is: 
The difference between 73 and 13 is: 
The difference between 48 and 17 is: 
The difference between 48 and 17 is: 
The difference between 48 and 17 is: 
The difference between 48 and 37 is: 
The difference between 50 and 19 is: 
The difference between 48 and 17 is: 