The difference between 84 and 79 is: 
The difference between 38 and 21 is: 
The difference between 89 and 79 is: 
The difference between 84 and 73 is: 
The difference between 84 and 79 is: 
The difference between 84 and 39 is: 
The difference between 88 and 73 is: 
The difference between 84 and 79 is: 