The difference between 61 and 18 is: 
The difference between 88 and 25 is: 
The difference between 69 and 18 is: 
The difference between 61 and 10 is: 
The difference between 41 and 18 is: 
The difference between 61 and 48 is: 
The difference between 67 and 14 is: 
The difference between 61 and 18 is: 