The difference between 35 and 15 is: 
The difference between 73 and 54 is: 
The difference between 38 and 15 is: 
The difference between 35 and 12 is: 
The difference between 55 and 15 is: 
The difference between 35 and 25 is: 
The difference between 30 and 11 is: 
The difference between 35 and 15 is: 