The difference between 64 and 16 is: 
The difference between 69 and 60 is: 
The difference between 67 and 16 is: 
The difference between 64 and 13 is: 
The difference between 34 and 16 is: 
The difference between 64 and 26 is: 
The difference between 68 and 10 is: 
The difference between 64 and 16 is: 