The difference between 51 and 27 is: 
The difference between 34 and 32 is: 
The difference between 58 and 27 is: 
The difference between 51 and 20 is: 
The difference between 51 and 27 is: 
The difference between 51 and 17 is: 
The difference between 55 and 21 is: 
The difference between 51 and 27 is: 