The difference between 39 and 38 is: 
The difference between 47 and 31 is: 
The difference between 39 and 38 is: 
The difference between 39 and 34 is: 
The difference between 59 and 38 is: 
The difference between 39 and 18 is: 
The difference between 40 and 39 is: 
The difference between 39 and 38 is: 