C255 Chen Annie

Very soon.

The WeChat group became lively.

"Damn, Little Rong solved Professor Yu's question?"

"Really? Let me take a look."

"Why can't I understand it?"

"How did Little Rong suddenly become so powerful? In the past, when I was in the class, I remember that your grades were at the average level."

"Hu - - - I understand! What a strange method, a formula that he had never seen before