The difference between 93 and 72 is: 
The difference between 89 and 17 is: 
The difference between 96 and 72 is: 
The difference between 93 and 71 is: 
The difference between 83 and 72 is: 
The difference between 93 and 32 is: 
The difference between 100 and 79 is: 
The difference between 93 and 72 is: 