The difference between 66 and 20 is: 
The difference between 96 and 73 is: 
The difference between 65 and 20 is: 
The difference between 66 and 25 is: 
The difference between 86 and 20 is: 
The difference between 66 and 10 is: 
The difference between 75 and 29 is: 
The difference between 66 and 20 is: 