The difference between 50 and 27 is: 
The difference between 79 and 71 is: 
The difference between 58 and 27 is: 
The difference between 50 and 20 is: 
The difference between 80 and 27 is: 
The difference between 50 and 17 is: 
The difference between 59 and 26 is: 
The difference between 50 and 27 is: 