2008 HKASL Maths and Stat Question 2 - 微積分- 溫習Chain Rule及其他基本方法 http://www.youtube.com/watch?v=f2nR85tXq8c … @minitubeappさんから #cantonese #calculus
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2008 HKASL Maths and Stat Question 2 - 微積分- 溫習Chain Rule及其他基本方法 http://www.youtube.com/watch?v=f2nR85tXq8c … @minitubeappさんから #cantonese #calculus