The difference between 35 and 35 is: 
The difference between 13 and 12 is: 
The difference between 38 and 35 is: 
The difference between 35 and 31 is: 
The difference between 45 and 35 is: 
The difference between 35 and 15 is: 
The difference between 31 and 39 is: 
The difference between 35 and 35 is: 