He was born into a famous family, but his fate was uncertain, he resigned as an official, and vowed to dedicate his life to education. He was a mentor and friend of the students of the teachers of the wunu mathematics, and he was also the guiding light of a group of revolutionary righteous soldiers. This issue of the clean and honest story for you, Yang Changji: want to plant a large wooden pillar for a long day.
Source: Propaganda Department of Beijing Municipal Commission for Discipline Inspection, Beijing Radio and Television Station News Center, Beijing Gehua Media Group Xinxin Company
Editor-in-charge: Huang Yuanyuan
Review: Guo Yunfeng
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