The difference between 76 and 68 is: 
The difference between 90 and 23 is: 
The difference between 79 and 68 is: 
The difference between 76 and 61 is: 
The difference between 96 and 68 is: 
The difference between 76 and 58 is: 
The difference between 79 and 61 is: 
The difference between 76 and 68 is: 