The difference between 48 and 37 is: 
The difference between 99 and 64 is: 
The difference between 48 and 37 is: 
The difference between 48 and 36 is: 
The difference between 88 and 37 is: 
The difference between 48 and 27 is: 
The difference between 50 and 39 is: 
The difference between 48 and 37 is: 