The difference between 90 and 35 is: 
The difference between 37 and 22 is: 
The difference between 99 and 35 is: 
The difference between 90 and 30 is: 
The difference between 60 and 35 is: 
The difference between 90 and 35 is: 
The difference between 96 and 31 is: 
The difference between 90 and 35 is: 