The difference between 24 and 10 is: 
The difference between 31 and 11 is: 
The difference between 21 and 10 is: 
The difference between 24 and 13 is: 
The difference between 34 and 10 is: 
The difference between 24 and 10 is: 
The difference between 33 and 19 is: 
The difference between 24 and 10 is: 