The difference between 68 and 22 is: 
The difference between 88 and 65 is: 
The difference between 65 and 22 is: 
The difference between 68 and 24 is: 
The difference between 88 and 22 is: 
The difference between 68 and 52 is: 
The difference between 72 and 26 is: 
The difference between 68 and 22 is: 