The difference between 26 and 20 is: 
The difference between 66 and 21 is: 
The difference between 22 and 20 is: 
The difference between 26 and 20 is: 
The difference between 56 and 20 is: 
The difference between 26 and 10 is: 
The difference between 35 and 29 is: 
The difference between 26 and 20 is: 