The difference between 41 and 31 is: 
The difference between 93 and 85 is: 
The difference between 49 and 31 is: 
The difference between 41 and 30 is: 
The difference between 71 and 31 is: 
The difference between 41 and 31 is: 
The difference between 41 and 34 is: 
The difference between 41 and 31 is: 