The difference between 90 and 66 is: 
The difference between 88 and 72 is: 
The difference between 98 and 66 is: 
The difference between 90 and 60 is: 
The difference between 70 and 66 is: 
The difference between 90 and 46 is: 
The difference between 95 and 61 is: 
The difference between 90 and 66 is: 