The difference between 93 and 17 is: 
The difference between 78 and 29 is: 
The difference between 99 and 17 is: 
The difference between 93 and 12 is: 
The difference between 83 and 17 is: 
The difference between 93 and 27 is: 
The difference between 99 and 13 is: 
The difference between 93 and 17 is: 