Q: How much is 54 minus 43? A: 
Q: How much is 74 minus 51? A: 
Q: How much is 54 minus 43? A: 
Q: How much is 54 minus 43? A: 
Q: How much is 74 minus 43? A: 
Q: How much is 54 minus 23? A: 
Q: How much is 60 minus 49? A: 
Q: How much is 54 minus 43? A: 