The difference between 93 and 83 is: 
The difference between 69 and 13 is: 
The difference between 99 and 83 is: 
The difference between 93 and 82 is: 
The difference between 93 and 83 is: 
The difference between 93 and 73 is: 
The difference between 90 and 81 is: 
The difference between 93 and 83 is: 