The difference between 44 and 33 is: 
The difference between 51 and 30 is: 
The difference between 48 and 33 is: 
The difference between 44 and 31 is: 
The difference between 64 and 33 is: 
The difference between 44 and 23 is: 
The difference between 50 and 39 is: 
The difference between 44 and 33 is: 