The difference between 61 and 11 is: 
The difference between 87 and 22 is: 
The difference between 64 and 11 is: 
The difference between 61 and 10 is: 
The difference between 41 and 11 is: 
The difference between 61 and 11 is: 
The difference between 63 and 16 is: 
The difference between 61 and 11 is: 