The difference between 86 and 51 is: 
The difference between 24 and 18 is: 
The difference between 88 and 51 is: 
The difference between 86 and 52 is: 
The difference between 86 and 51 is: 
The difference between 86 and 31 is: 
The difference between 93 and 58 is: 
The difference between 86 and 51 is: 