Q: How much is 82 minus 57? A: 
Q: How much is 68 minus 20? A: 
Q: How much is 89 minus 57? A: 
Q: How much is 82 minus 50? A: 
Q: How much is 82 minus 57? A: 
Q: How much is 82 minus 77? A: 
Q: How much is 86 minus 51? A: 
Q: How much is 82 minus 57? A: 