The difference between 99 and 71 is: 
The difference between 48 and 46 is: 
The difference between 95 and 71 is: 
The difference between 99 and 73 is: 
The difference between 89 and 71 is: 
The difference between 99 and 31 is: 
The difference between 104 and 76 is: 
The difference between 99 and 71 is: 