The difference between 41 and 25 is: 
The difference between 80 and 21 is: 
The difference between 47 and 25 is: 
The difference between 41 and 20 is: 
The difference between 41 and 25 is: 
The difference between 41 and 25 is: 
The difference between 49 and 23 is: 
The difference between 41 and 25 is: 