Q: How much is 85 minus 34? A: 
Q: How much is 68 minus 42? A: 
Q: How much is 86 minus 34? A: 
Q: How much is 85 minus 34? A: 
Q: How much is 45 minus 34? A: 
Q: How much is 85 minus 74? A: 
Q: How much is 90 minus 39? A: 
Q: How much is 85 minus 34? A: 