C147 Brainwashing Exercise

"I bet five hundred yuan that Wu steel can solve this problem." Ding Xiaofei was the first to speak, because he firmly believed that the teacher that was willing to help him would have a way.

After going to school for so many years, it wasn't the first time he was bullied by a hooligan. However, only a teacher like Wang Feng was willing to help him.

When he was young