The difference between 93 and 91 is: 
The difference between 45 and 30 is: 
The difference between 94 and 91 is: 
The difference between 93 and 92 is: 
The difference between 93 and 91 is: 
The difference between 93 and 81 is: 
The difference between 101 and 99 is: 
The difference between 93 and 91 is: 