If 4@2=10 and 3@5=16, rule a@b=a×b+2. Then 5@4=?
Question 1
Q1. If 4@2=10 and 3@5=16, rule a@b=a×b+2. Then 5@4=?
Answer: 22
Explanation: Five times four plus two equals twenty two. Work each step carefully; ISSB math rewards accuracy under time pressure.