Q: How much is 84 minus 25? A: 
Q: How much is 73 minus 68? A: 
Q: How much is 89 minus 25? A: 
Q: How much is 84 minus 22? A: 
Q: How much is 74 minus 25? A: 
Q: How much is 84 minus 35? A: 
Q: How much is 89 minus 20? A: 
Q: How much is 84 minus 25? A: 