The difference between 52 and 44 is: 
The difference between 61 and 15 is: 
The difference between 55 and 44 is: 
The difference between 52 and 40 is: 
The difference between 62 and 44 is: 
The difference between 52 and 34 is: 
The difference between 58 and 40 is: 
The difference between 52 and 44 is: 