The difference between 65 and 21 is: 
The difference between 96 and 61 is: 
The difference between 69 and 21 is: 
The difference between 65 and 20 is: 
The difference between 85 and 21 is: 
The difference between 65 and 31 is: 
The difference between 71 and 27 is: 
The difference between 65 and 21 is: 