The difference between 64 and 19 is: 
The difference between 96 and 51 is: 
The difference between 69 and 19 is: 
The difference between 64 and 13 is: 
The difference between 74 and 19 is: 
The difference between 64 and 29 is: 
The difference between 67 and 12 is: 
The difference between 64 and 19 is: 