Hi, Kay Yap. You need 2 models. This question is challenging as you have to handle both the number of sticks and the distance.
I bundled one 3m, one 5m, and one 9m together so that I can base the 2nd model on distance instead of number of sticks.
Let me know if you still have difficulties. :)
6 years ago
Vera Koh
6 years ago
Rachel Lim
Asked 9 years ago
SG
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Number and Algebra