The difference between 38 and 27 is: 
The difference between 71 and 50 is: 
The difference between 39 and 27 is: 
The difference between 38 and 21 is: 
The difference between 38 and 27 is: 
The difference between 38 and 17 is: 
The difference between 40 and 29 is: 
The difference between 38 and 27 is: 