The difference between 84 and 23 is: 
The difference between 67 and 55 is: 
The difference between 84 and 23 is: 
The difference between 84 and 22 is: 
The difference between 44 and 23 is: 
The difference between 84 and 33 is: 
The difference between 90 and 29 is: 
The difference between 84 and 23 is: 