During the summer vacation of his freshman year, Xiao Gao promised to teach the son of his mother's best friend about mathematics for his transition from primary school to junior high school. The young master is indeed a young master. It is his privilege to be bad at mathematics. During the 30 seconds when the young master answered 3-3.14>0, Xiao Gao was worried about the young master's upcoming junior high school career, and also felt a trace of despair about his future teaching career.
Purpose: Share holiday life