The difference between 69 and 57 is: 
The difference between 73 and 67 is: 
The difference between 69 and 57 is: 
The difference between 69 and 52 is: 
The difference between 79 and 57 is: 
The difference between 69 and 17 is: 
The difference between 71 and 59 is: 
The difference between 69 and 57 is: 