The difference between 99 and 41 is: 
The difference between 75 and 17 is: 
The difference between 94 and 41 is: 
The difference between 99 and 45 is: 
The difference between 69 and 41 is: 
The difference between 99 and 21 is: 
The difference between 104 and 46 is: 
The difference between 99 and 41 is: 