The difference between 48 and 45 is: 
The difference between 27 and 17 is: 
The difference between 48 and 45 is: 
The difference between 48 and 43 is: 
The difference between 68 and 45 is: 
The difference between 48 and 15 is: 
The difference between 51 and 48 is: 
The difference between 48 and 45 is: 