The difference between 93 and 71 is: 
The difference between 50 and 21 is: 
The difference between 94 and 71 is: 
The difference between 93 and 71 is: 
The difference between 83 and 71 is: 
The difference between 93 and 51 is: 
The difference between 101 and 79 is: 
The difference between 93 and 71 is: 