The difference between 42 and 39 is: 
The difference between 59 and 27 is: 
The difference between 49 and 39 is: 
The difference between 42 and 30 is: 
The difference between 92 and 39 is: 
The difference between 42 and 29 is: 
The difference between 49 and 36 is: 
The difference between 42 and 39 is: 