If 2#3=8 and 3#4=15, rule a#b=a×b+1. Then 5#6=?
Question 1
Q1. If 2#3=8 and 3#4=15, rule a#b=a×b+1. Then 5#6=?
Answer: 31
Explanation: Five times six plus one equals thirty one. Work each step carefully; ISSB math rewards accuracy under time pressure.