The difference between 87 and 33 is: 
The difference between 43 and 27 is: 
The difference between 84 and 33 is: 
The difference between 87 and 30 is: 
The difference between 77 and 33 is: 
The difference between 87 and 43 is: 
The difference between 93 and 39 is: 
The difference between 87 and 33 is: 