The difference between 42 and 11 is: 
The difference between 88 and 70 is: 
The difference between 47 and 11 is: 
The difference between 42 and 11 is: 
The difference between 22 and 11 is: 
The difference between 42 and 31 is: 
The difference between 50 and 19 is: 
The difference between 42 and 11 is: 