The difference between 45 and 15 is: 
The difference between 96 and 35 is: 
The difference between 47 and 15 is: 
The difference between 45 and 12 is: 
The difference between 45 and 15 is: 
The difference between 45 and 15 is: 
The difference between 41 and 13 is: 
The difference between 45 and 15 is: 