The difference between 44 and 28 is: 
The difference between 72 and 67 is: 
The difference between 49 and 28 is: 
The difference between 44 and 22 is: 
The difference between 44 and 28 is: 
The difference between 44 and 28 is: 
The difference between 49 and 23 is: 
The difference between 44 and 28 is: 