The difference between 98 and 58 is: 
The difference between 43 and 39 is: 
The difference between 99 and 58 is: 
The difference between 98 and 51 is: 
The difference between 68 and 58 is: 
The difference between 98 and 88 is: 
The difference between 90 and 56 is: 
The difference between 98 and 58 is: 