Q: How much is 82 minus 77? A: 
Q: How much is 70 minus 42? A: 
Q: How much is 88 minus 77? A: 
Q: How much is 82 minus 70? A: 
Q: How much is 92 minus 77? A: 
Q: How much is 82 minus 17? A: 
Q: How much is 89 minus 74? A: 
Q: How much is 82 minus 77? A: 