The difference between 98 and 68 is: 
The difference between 53 and 46 is: 
The difference between 99 and 68 is: 
The difference between 98 and 63 is: 
The difference between 98 and 68 is: 
The difference between 98 and 28 is: 
The difference between 90 and 61 is: 
The difference between 98 and 68 is: 