The difference between 42 and 10 is: 
The difference between 40 and 25 is: 
The difference between 43 and 10 is: 
The difference between 42 and 11 is: 
The difference between 72 and 10 is: 
The difference between 42 and 10 is: 
The difference between 50 and 18 is: 
The difference between 42 and 10 is: 