The difference between 10 and 10 is: 
The difference between 62 and 60 is: 
The difference between 19 and 10 is: 
The difference between 10 and 10 is: 
The difference between 20 and 10 is: 
The difference between 10 and 10 is: 
The difference between 12 and 16 is: 
The difference between 10 and 10 is: 