The difference between 79 and 23 is: 
The difference between 91 and 12 is: 
The difference between 75 and 23 is: 
The difference between 79 and 25 is: 
The difference between 79 and 23 is: 
The difference between 79 and 43 is: 
The difference between 84 and 28 is: 
The difference between 79 and 23 is: 