The difference between 42 and 37 is: 
The difference between 44 and 11 is: 
The difference between 49 and 37 is: 
The difference between 42 and 30 is: 
The difference between 72 and 37 is: 
The difference between 42 and 17 is: 
The difference between 47 and 32 is: 
The difference between 42 and 37 is: 