The difference between 62 and 50 is: 
The difference between 72 and 51 is: 
The difference between 66 and 50 is: 
The difference between 62 and 51 is: 
The difference between 82 and 50 is: 
The difference between 62 and 30 is: 
The difference between 71 and 59 is: 
The difference between 62 and 50 is: 