The difference between 17 and 10 is: 
The difference between 77 and 22 is: 
The difference between 18 and 10 is: 
The difference between 17 and 12 is: 
The difference between 77 and 10 is: 
The difference between 17 and 10 is: 
The difference between 26 and 19 is: 
The difference between 17 and 10 is: 