The difference between 63 and 38 is: 
The difference between 45 and 28 is: 
The difference between 69 and 38 is: 
The difference between 63 and 31 is: 
The difference between 73 and 38 is: 
The difference between 63 and 28 is: 
The difference between 65 and 30 is: 
The difference between 63 and 38 is: 