The difference between 91 and 43 is: 
The difference between 82 and 23 is: 
The difference between 98 and 43 is: 
The difference between 91 and 40 is: 
The difference between 61 and 43 is: 
The difference between 91 and 13 is: 
The difference between 98 and 40 is: 
The difference between 91 and 43 is: 