The difference between 99 and 43 is: 
The difference between 79 and 56 is: 
The difference between 97 and 43 is: 
The difference between 99 and 40 is: 
The difference between 79 and 43 is: 
The difference between 99 and 83 is: 
The difference between 102 and 46 is: 
The difference between 99 and 43 is: 