So Hong Yi's answer to Ah boy's Secondary 4 E Maths Singapore question.
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Not sure if this is the best/fastest way to do it, but that's what I can think of. Might be wrong, so do check, thanks. I use 3 s.f. in my working to save time and space, but do use the actual ans in your calculator. I'm also curious to see how to do it more efficiently :D
Date Posted:
3 years ago
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