Q: How much is 41 minus 28? A: 
Q: How much is 56 minus 27? A: 
Q: How much is 49 minus 28? A: 
Q: How much is 41 minus 20? A: 
Q: How much is 81 minus 28? A: 
Q: How much is 41 minus 38? A: 
Q: How much is 44 minus 21? A: 
Q: How much is 41 minus 28? A: 