The difference between 39 and 39 is: 
The difference between 89 and 46 is: 
The difference between 39 and 39 is: 
The difference between 39 and 35 is: 
The difference between 79 and 39 is: 
The difference between 39 and 19 is: 
The difference between 30 and 34 is: 
The difference between 39 and 39 is: 