The difference between 48 and 13 is: 
The difference between 76 and 37 is: 
The difference between 47 and 13 is: 
The difference between 48 and 13 is: 
The difference between 48 and 13 is: 
The difference between 48 and 33 is: 
The difference between 52 and 17 is: 
The difference between 48 and 13 is: 