The difference between 89 and 45 is: 
The difference between 51 and 49 is: 
The difference between 87 and 45 is: 
The difference between 89 and 40 is: 
The difference between 59 and 45 is: 
The difference between 89 and 25 is: 
The difference between 90 and 46 is: 
The difference between 89 and 45 is: 