The difference between 47 and 45 is: 
The difference between 83 and 77 is: 
The difference between 48 and 45 is: 
The difference between 47 and 40 is: 
The difference between 87 and 45 is: 
The difference between 47 and 25 is: 
The difference between 51 and 49 is: 
The difference between 47 and 45 is: 