Q: How much is 62 minus 51? A: 
Q: How much is 45 minus 43? A: 
Q: How much is 67 minus 51? A: 
Q: How much is 62 minus 51? A: 
Q: How much is 72 minus 51? A: 
Q: How much is 62 minus 21? A: 
Q: How much is 70 minus 59? A: 
Q: How much is 62 minus 51? A: 