Tang Dynasty, Teaching Science, Li Erlai Listened to the Lecture

Carrying the system, he traveled back to the third year of Zhenguan. And the system actually asked me to teach what science is in Datang? In desperation, Zhang Muyu planned to teach from the most basic first. But what he didn't expect was... Sitting below and listening to his lecture was Li Shimin. Inexplicably, he accepted a student, the famous First Minister of the Tang Dynasty, Fang Xuanling. The idiot who was scolded by him all day long was Fang Xuanling's son Fang Yiai. The introduction is incompetent, read the text. .... This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.