The difference between 60 and 39 is: 
The difference between 55 and 46 is: 
The difference between 69 and 39 is: 
The difference between 60 and 30 is: 
The difference between 50 and 39 is: 
The difference between 60 and 19 is: 
The difference between 63 and 32 is: 
The difference between 60 and 39 is: 