Hi, I looked back at the problem first posed by Lay Koon here: The problem that seeks to find the strange area in a square. I think it's really a nice question for exploration as it allows different ways of looking at the problem. Here's four different approaches I used to solve the problem. For your reading pleasure over the weekend. :)
Exploring Singapore Maths in Australian schools. School leaders session in Adelaide by Vei Li Soo.
May I know how to solve this plz...thx :)
