The difference between 61 and 10 is: 
The difference between 84 and 54 is: 
The difference between 65 and 10 is: 
The difference between 61 and 10 is: 
The difference between 91 and 10 is: 
The difference between 61 and 30 is: 
The difference between 70 and 19 is: 
The difference between 61 and 10 is: 