The difference between 55 and 45 is: 
The difference between 54 and 21 is: 
The difference between 58 and 45 is: 
The difference between 55 and 41 is: 
The difference between 75 and 45 is: 
The difference between 55 and 25 is: 
The difference between 50 and 46 is: 
The difference between 55 and 45 is: 