Seeing that the class was coming to an end, Hong Qingyao raised his voice a little. "Ahem. Just now, we covered the foundational mathematical theories we'll be studying this semester, as well as probability theory. Next, I'll ask someone a few classic probability questions, just to see if you've forgotten everything over summer break."
Hong Qingyao swept his gaze around in a theatrical manner and called out, "Ahem, Qin Jiujiu."
"Here."
Chapter 127