The difference between 53 and 22 is: 
The difference between 73 and 15 is: 
The difference between 54 and 22 is: 
The difference between 53 and 21 is: 
The difference between 63 and 22 is: 
The difference between 53 and 12 is: 
The difference between 60 and 29 is: 
The difference between 53 and 22 is: 