Don't pay too much attention to 36 classes. Zhang Yuyou 18+9+9 workbook, so Gao Kunlun's workbook video is called 36 lectures, which has nothing to do with the institutional foundation strengthening sprint. But the textbooks are all 36 lectures. Zhang Yu's lecture style is humorous; Gao Kunlun's lecture style is wordy but meticulous.

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? Zhang Yu, a math teacher in Qi Hang, has been engaged in advanced mathematics teaching and postgraduate counseling for many years, and has published many papers in national core journals, one of which was selected for the "2007 Global Sustainable Development Conference". Lecture on advanced mathematics 18? , the author of "classic source of postgraduate mathematics questions 1000 questions".

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References:

Qi Hang teacher Zhang Yu Baidu Encyclopedia

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