See PhysChemTutor's answer to Zwen's Secondary 4 A Maths Singapore question

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Date Posted: 3 years ago

Zwen

3 years ago

Thanks, well I failed math in poly. Now I'm trying to work on it, and thanks to this app. It's been really useful for my learning!

PhysChemTutor

3 years ago

I see. Still need to learn the theory. Write summary notes. Refer to them when you need