While teaching, Ye Qiu kept his eye on Liu Tong, speeding up where Liu Tong understood and explaining in detail where he did not. After a couple of rounds, Liu Tong realized that Ye Qiu was deliberately taking care of him, so he studied even more diligently.
The earnest Liu Tong didn't notice that the noise in the classroom gradually quieted down, and not just him, other students were also listening attentively.
Mathematics is a very basic subject, and many people think it is useless, but such ideas are only held by those who don't understand it. If mathematics were useless, why has it been a compulsory subject from ancient times till now, both abroad and domestically?
