The difference between 77 and 45 is: 
The difference between 95 and 48 is: 
The difference between 79 and 45 is: 
The difference between 77 and 44 is: 
The difference between 87 and 45 is: 
The difference between 77 and 25 is: 
The difference between 81 and 49 is: 
The difference between 77 and 45 is: 