The difference between 81 and 75 is: 
The difference between 96 and 48 is: 
The difference between 89 and 75 is: 
The difference between 81 and 70 is: 
The difference between 81 and 75 is: 
The difference between 81 and 65 is: 
The difference between 89 and 73 is: 
The difference between 81 and 75 is: 