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Exercise Time: October 2022 (for old students only)
First Section
如有不明白的地方，可WhatsApp Crystal 61532785 (也可叫crystal直接核對)
Physics F4-F6
F1 Maths
F2 Maths
F3 Maths
F4 maths
F5 Maths
F6 maths
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F2 Maths
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