The difference between 71 and 45 is: 
The difference between 85 and 48 is: 
The difference between 78 and 45 is: 
The difference between 71 and 40 is: 
The difference between 71 and 45 is: 
The difference between 71 and 45 is: 
The difference between 77 and 41 is: 
The difference between 71 and 45 is: 