The difference between 41 and 18 is: 
The difference between 86 and 82 is: 
The difference between 49 and 18 is: 
The difference between 41 and 10 is: 
The difference between 21 and 18 is: 
The difference between 41 and 38 is: 
The difference between 45 and 12 is: 
The difference between 41 and 18 is: 