Q: How much is 51 minus 16? A: 
Q: How much is 89 minus 12? A: 
Q: How much is 57 minus 16? A: 
Q: How much is 51 minus 10? A: 
Q: How much is 71 minus 16? A: 
Q: How much is 51 minus 26? A: 
Q: How much is 59 minus 14? A: 
Q: How much is 51 minus 16? A: 