The difference between 29 and 25 is: 
The difference between 54 and 28 is: 
The difference between 28 and 25 is: 
The difference between 29 and 28 is: 
The difference between 59 and 25 is: 
The difference between 29 and 15 is: 
The difference between 33 and 29 is: 
The difference between 29 and 25 is: 